3553 Mera (1985 JA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3199543349 ± 6.80e-09
Semi-major axis (a)1.6446507159 AU ± 4.27e-10
Inclination (i)36.77387507° ± 4.59e-07
Long. of Asc. Node (Ω)232.48640678° ± 9.80e-07
Arg. of Perihelion (ω)288.89562621° ± 1.28e-06
Mean Anomaly (M)116.62019882° ± 1.06e-06
Mean Motion (n)0.4673064318°/day ± 1.82e-10
Perihelion dist (q)1.11843759 AU ± 1.12e-08
Aphelion dist (Q)2.17086384 AU ± 1.12e-08
Orbital Period2.10916481 yr ± 8.22e-10
Physical Parameters
H (abs. magnitude)16.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.063″
Uncertainty0
Orbit TypeAmor
MOID0.294303 AU
Observations Used2029
Gaia Obs Used95
Oppositions17
Arc Total1985-2025
First Observation Used1985-05-11
Last Observation Used2025-07-26
Observations (2143)
Date Type RA Dec Mag Band Observatory
1986-10-24 07:28:38 A 05 02 24.44 +24 48 02.9 B 691
1986-10-24 07:37:36 A 05 02 24.30 +24 47 51.9 B 691
1986-10-24 07:55:37 A 05 02 24.14 +24 47 28.5 B 691
1986-10-31 09:40:00 04 59 38.89 +20 42 41.1 261
1986-10-31 10:39:59 04 59 37.17 +20 41 05.7 261
1986-11-25 07:35:53 A 04 27 12.40 -00 49 56.5 688
1986-11-25 07:40:22 A 04 27 12.01 -00 50 08.2 688
1986-11-25 07:47:40 A 04 27 11.42 -00 50 26.5 688
1986-11-29 07:57:39 A 04 19 30.75 -04 53 06.5 B 691
1986-11-29 08:10:18 A 04 19 29.68 -04 53 37.6 B 691
1986-11-29 08:22:13 A 04 19 28.59 -04 54 07.8 B 691
1986-11-30 06:07:00 A 04 17 42.23 -05 48 23.4 A 801
1986-12-31 11:41:29 A 03 27 56.40 -27 55 30.2 474
1986-12-31 12:24:00 A 03 27 54.69 -27 56 11.2 474
1990-08-28 08:00:33 A 01 28 08.34 +49 30 37.7 688
1990-08-28 08:16:22 A 01 28 08.20 +49 30 41.8 688
1992-10-17 05:43:57 22 49 28.07 +40 40 10.4 F 711
1992-10-18 05:26:31 22 48 53.43 +40 13 33.7 F 711
1994-09-02 06:38:45 C 22 12 48.60 +49 54 49.6 z 658
1994-09-02 06:45:19 C 22 12 48.08 +49 54 47.1 z 658
1994-10-03 07:07:31 C 21 38 15.31 +41 37 35.5 z 658
1994-10-03 07:12:31 C 21 38 15.23 +41 37 30.7 z 658
1994-10-03 07:17:30 C 21 38 15.09 +41 37 25.9 z 658
1994-10-04 05:39:32 C 21 37 49.33 +41 16 16.4 z 658
1994-10-04 05:43:02 C 21 37 49.20 +41 16 12.5 z 658
1994-10-04 05:58:31 C 21 37 48.84 +41 15 58.6 z 658
1996-08-05 12:13:43 C 21 27 42.55 +47 58 33.6 c 608
1996-08-05 13:02:39 C 21 27 39.51 +47 58 38.6 c 608
1996-08-23 07:08:56 C 21 00 15.46 +47 00 16.4 z 658
1996-08-23 07:16:02 C 21 00 15.13 +47 00 14.4 z 658
1996-08-23 07:23:26 C 21 00 14.65 +47 00 11.5 z 658
1996-08-24 08:01:54 C 20 58 46.44 +46 51 01.3 z 658
1996-08-24 08:09:53 C 20 58 46.05 +46 50 57.8 z 658
1996-08-24 08:25:39 C 20 58 45.07 +46 50 52.3 z 658
1996-09-07 13:19:31 C 20 41 51.72 +43 47 46.1 381
1996-09-07 13:24:44 C 20 41 51.48 +43 47 42.9 381
1996-09-08 12:58:08 C 20 40 58.69 +43 31 40.4 381
1996-09-08 13:05:51 C 20 40 58.37 +43 31 34.7 381
1998-07-19 23:38:05 C 20 31 09.36 +43 45 57.3 557
1998-07-20 00:18:01 C 20 31 06.63 +43 46 06.9 557
1998-07-20 00:22:00 C 20 31 06.40 +43 46 07.9 557
2002-05-07 09:41:17 C 19 09 35.66 +04 59 41.9 c 704
2002-05-07 10:15:29 C 19 09 34.96 +05 00 46.3 c 704
2002-05-07 10:32:30 C 19 09 34.58 +05 01 19.0 c 704
2002-05-09 10:51:04 C 19 08 36.01 +06 32 16.4 c 670
2002-05-09 10:54:38 C 19 08 35.94 +06 32 23.3 c 670
2002-05-21 00:25:28 C 18 58 48.08 +14 54 02.0 c 611
2002-05-21 00:35:32 C 18 58 47.58 +14 54 19.8 c 611
2002-05-23 11:09:50 C 18 55 50.93 +16 32 33.9 c 670
2002-06-01 07:38:29 C 18 42 59.50 +21 54 07.8 18.6 c 704