1997 11B21 (B half)
| Designation: | J97W21B |
| Unpacked: | 1997 11B21 (B half) |
| Object Type: | NEA1822 |
| Total MPECs: | 9 |
| Total Observations: | 51 |
| Discovered by: | 566 (Haleakala-NEAT/GEODSS) |
| Discovery Date: | 1997-12-02 |
| Discovery MPEC: | MPEC 1997-X01 |
No related designations found.
| MPEC ID | Date | Type | Title | Stations |
|---|---|---|---|---|
| MPEC 2013-X53 | 2013-12-11 | DOU | DAILY ORBIT UPDATE (2013 DEC. 11 UT) | G96, 448, 703, 926, 291, 309, 160, D29, A24, 568, ... |
| MPEC 2013-X28 | 2013-12-06 | DOU | DAILY ORBIT UPDATE (2013 DEC. 6 UT) | 926, F51, 695, 807, 089, A53, A48, X14, J27, G96, ... |
| MPEC 2013-W26 | 2013-11-28 | DOU | DAILY ORBIT UPDATE (2013 NOV. 28 UT) | 807, G96, H45, D29, F51, 240, A13, 926, B67, 703, ... |
| MPEC 2012-J12 | 2012-05-03 | DOU | DAILY ORBIT UPDATE (2012 MAY 3 UT) | 645, A13, 704, 821, 691, C73, 291, H21, 950, 807, ... |
| MPEC 2011-K17 | 2011-05-23 | DOU | DAILY ORBIT UPDATE (2011 MAY 23 UT) | 291, H21, G96, 568, H17, 448, 198, H26, 673, J95, ... |
| MPEC 2007-B60 | 2007-01-27 | DOU | DAILY ORBIT UPDATE (2007 JAN. 27 UT) | 291, A24, E12, 699, E17, 691, 734, 176, H36, 704, ... |
| MPEC 2004-K23 | 2004-05-20 | OrbitUpdate | 1997 WB21 | 926 |
| MPEC 2003-Y96 | 2003-12-31 | DOU | DAILY ORBIT UPDATE (2003 DEC. 31 UT) | 704, H41, 566, D85, 608, 691, 379, 446, 649, 703, ... |
| MPEC 1997-X01 | 1997-12-02 | Discovery | 1997 WB21 | 566, 587, 658 |