G83 Mt. Graham-LBT
Graphs
Yearly Breakdown of MPEC Types
Term definition:Editorial - Editorial MPECs associated with this station.
Discovery - MPECs associated with discovery made by this station.
OrbitUpdate - MPECs associated with orbit updates involving observations made by this station. Typically, these are recoveries of single-opposition objects.
DOU - Daily Orbit Update MPECs involving observations made by this station.
ListUpdate - MPECs associated with list updates involving observations made by this station. This category has largely been retired since 2012.
Retraction - Retracted MPECs involving observations made by this station.
Followup - MPECs associated with follow-up observations made by this station to an object discovered elsewhere.
FirstFollowup - MPECs associated with follow-up observations made by this station to an object discovered elsewhere, with this station being the first station to follow-up.
Other - MPECs that do not fit into categories listed above and involve observations made by this station.
Yearly Breakdown of Discovery Object Types
Yearly Breakdown of Orbit Update Object Types
Breakdown by Observers
Breakdown by Measurers
Breakdown by Facilities
Breakdown by Objects
Annual Breakdown
Weekly Breakdown
Hourly Breakdown
Tables
Yearly Breakdown of MPEC Types
| Year | Total MPECs | Editorial | Discovery | Orbit Update | DOU | List Update | Retraction | Other | Follow-Up | First Follow-Up |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 3 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2023 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2022 | 3 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 |
| 2021 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| 2020 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2019 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2018 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2017 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2016 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2015 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2014 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2013 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2012 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2011 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2010 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2009 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2008 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2007 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2006 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2005 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2004 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2003 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2002 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2001 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2000 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1999 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1998 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1997 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1996 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1995 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1994 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1993 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
List of Individual MPECs
| Index | Name | Date/Time | Discoverer | First-responding Confirmer | Object Type | Search Archival Image |
|---|---|---|---|---|---|---|
| 1 | MPEC 2012-A52 OBSERVATIONS AND ORBITS OF COMETS | 2012-01-13 15:55:00 | Comet | CATCH | ||
| 2 | MPEC 2014-V35 2014 KC46 | 2014-11-07 18:44:00 | NEA (H>22) | CATCH | ||
| 3 | MPEC 2021-V158 2021 VR3 | 2021-11-08 11:51:00 | NEAl18 | CATCH | ||
| 4 | MPEC 2021-V159 DAILY ORBIT UPDATE (2021 November 8) | 2021-11-08 12:19:00 | ||||
| 5 | MPEC 2022-D73 2015 FW35 | 2022-02-26 14:08:00 | NEA (18>H>22) | CATCH | ||
| 6 | MPEC 2022-J09 DAILY ORBIT UPDATE (2022 May 1) | 2022-05-01 12:03:00 | ||||
| 7 | MPEC 2022-J17 DAILY ORBIT UPDATE (2022 May 2) | 2022-05-02 12:04:00 | ||||
| 8 | MPEC 2023-L11 DAILY ORBIT UPDATE (2023 June 2) | 2023-06-02 12:06:00 | ||||
| 9 | MPEC 2024-W160 2022 YP3 | 2024-11-27 14:13:00 | NEA (18>H>22) | CATCH | ||
| 10 | MPEC 2025-E136 DAILY ORBIT UPDATE (2025 March 8) | 2025-03-08 12:11:00 | ||||
| 11 | MPEC 2025-S251 2022 YM5 | 2025-09-26 14:16:00 | NEA (18>H>22) | CATCH | ||
| 12 | MPEC 2025-S292 2022 UZ21 | 2025-09-30 15:21:00 | NEA (18>H>22) | CATCH |
Objects Observed by This Station (17 total)
| Object | Observations | Discoveries | First Obs | Last Obs | Magnitude | MPECs |
|---|---|---|---|---|---|---|
| 03352 | 2904 | 0 | 2022-04-04 | 2022-04-04 | N/A | 484 |
| G3693 | 715 | 0 | 2022-04-03 | 2022-04-03 | 17.6 | 143 |
| K24Y04R | 480 | 0 | 2025-02-19 | 2025-02-20 | N/A | 60 |
| K22B08J | 171 | 0 | 2022-04-24 | 2022-04-24 | 18.4 | 19 |
| K18J03B | 135 | 0 | 2022-04-21 | 2022-04-21 | 17.7 | 27 |
| K10X11B | 110 | 0 | 2022-04-03 | 2022-04-03 | N/A | 11 |
| 0255P | 96 | 0 | 2011-12-29 | 2011-12-29 | 18.0 | 8 |
| K14F47O | 77 | 0 | 2021-11-07 | 2021-11-07 | 20.5 | 11 |
| PK11Y020 | 72 | 0 | 2011-12-29 | 2011-12-29 | 19.6 | 6 |
| K22U21Z | 68 | 0 | 2025-09-16 | 2025-09-16 | 21.7 | 17 |
| K23K05Q | 60 | 0 | 2023-06-01 | 2023-06-01 | 19.1 | 10 |
| K22Y05M | 44 | 0 | 2025-09-15 | 2025-09-15 | 21.0 | 11 |
| K14K46C | 42 | 0 | 2014-10-28 | 2014-10-30 | 25.6 | 6 |
| K15F35W | 40 | 0 | 2021-11-07 | 2021-11-07 | 22.3 | 8 |
| K22Y03P | 36 | 0 | 2024-11-19 | 2024-11-20 | 23.4 | 6 |
| z3676 | 18 | 0 | 2022-04-04 | 2022-04-04 | 19.0 | 3 |
| K21V03R | 12 | 0 | 2021-11-07 | 2021-11-07 | 20.5 | 3 |
List of Observers
| Observer Group | Total MPECs |
|---|---|
| Unknown | 5 |
| A.Di Paola, A.Giunta, A.Rossi, D.Paris, F.Cusano, M.Micheli, O.Kuhn | 2 |
| J.Power, J.Rupert, K.W.Wierzchos | 2 |
| B.Shappee, D.Thompson, E.L.Ryan | 1 |
| J.Power, J.Williams, K.W.Wierzchos | 1 |
| A.Fontana, D.Perna, E.Dotto, E.Perozzi, E.Sani, G.B.Valsecchi, M.Micheli, R.Carini, S.Ieva | 1 |
| Individual Observer | Total MPECs |
|---|---|
| Unknown | 5 |
| M.Micheli | 3 |
| J.Power | 3 |
| K.W.Wierzchos | 3 |
| A.Di Paola | 2 |
| A.Giunta | 2 |
| A.Rossi | 2 |
| D.Paris | 2 |
| F.Cusano | 2 |
| O.Kuhn | 2 |
| J.Rupert | 2 |
| B.Shappee | 1 |
| D.Thompson | 1 |
| E.L.Ryan | 1 |
| J.Williams | 1 |
| A.Fontana | 1 |
| D.Perna | 1 |
| E.Dotto | 1 |
| E.Perozzi | 1 |
| E.Sani | 1 |
| G.B.Valsecchi | 1 |
| R.Carini | 1 |
| S.Ieva | 1 |
List of Measurers
| Measurer Group | Total MPECs |
|---|---|
| Unknown | 5 |
| A.R.Gibbs, D.C.Fuls, D.Rankin, F.C.Shelly, K.W.Wierzchos | 2 |
| A.Di Paola, A.Giunta, F.Cusano, M.Micheli | 2 |
| C.E.Woodward, E.L.Ryan | 1 |
| A.R.Gibbs, D.C.Fuls, D.Rankin, F.C.Shelly, K.W.Wierzchos, R.L.Seaman | 1 |
| F.Cusano, M.Micheli | 1 |
| Individual Measurer | Total MPECs |
|---|---|
| Unknown | 5 |
| A.R.Gibbs | 3 |
| D.C.Fuls | 3 |
| D.Rankin | 3 |
| F.C.Shelly | 3 |
| K.W.Wierzchos | 3 |
| F.Cusano | 3 |
| M.Micheli | 3 |
| A.Di Paola | 2 |
| A.Giunta | 2 |
| C.E.Woodward | 1 |
| E.L.Ryan | 1 |
| R.L.Seaman | 1 |
List of Facilities
| Facilities | Count |
|---|---|
| 8.4-m f/1.45 Reflector + CCD | 2 |
| 8.4-m reflector + CCD | 3 |
| 8.4-m reflector + CCD + prime-focus corrector | 1 |
| 8.40-m f/1.4 reflector + CCD | 1 |
| Unknown | 5 |