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
2002-06-01 07:58:24 C 18 42 58.04 +21 54 35.6 18.6 c 704
2002-06-01 08:18:23 C 18 42 56.67 +21 55 02.4 18.9 c 704
2002-06-01 08:38:19 C 18 42 55.25 +21 55 28.9 18.7 c 704
2002-06-30 05:42:30 C 17 51 08.37 +30 56 32.0 18.9 c 704
2002-06-30 06:00:50 C 17 51 07.24 +30 56 35.1 18.7 c 704
2002-06-30 06:19:42 C 17 51 05.86 +30 56 39.5 18.9 c 704
2002-06-30 06:56:28 C 17 51 03.24 +30 56 46.8 18.9 c 704
2002-07-02 06:57:49 C 17 47 52.91 +31 05 25.6 18.7 c 704
2002-07-02 07:12:19 C 17 47 51.94 +31 05 27.7 19.1 c 704
2002-07-02 07:26:49 C 17 47 50.99 +31 05 29.6 19.1 c 704
2002-07-07 21:55:53 C 17 39 46.00 +31 13 35.5 c A19
2002-07-07 22:06:47 C 17 39 45.40 +31 13 35.3 c A19
2002-07-08 21:47:15 C 17 38 27.91 +31 12 45.8 c A19
2002-07-08 22:05:55 C 17 38 26.94 +31 12 45.1 c A19
2002-07-08 23:26:33 C 17 38 22.43 +31 12 41.6 c A19
2002-07-18 07:13:23 C 17 28 21.45 +30 37 02.2 c 711
2002-07-18 07:31:53 C 17 28 20.76 +30 36 57.1 c 711
2002-07-18 07:50:20 C 17 28 20.13 +30 36 51.8 c 711
2002-08-01 05:50:31 C 17 20 49.87 +28 37 01.8 19.3 c 704
2002-08-01 06:12:14 C 17 20 49.61 +28 36 52.1 19.7 c 704
2002-08-01 06:33:56 C 17 20 49.40 +28 36 42.2 19.7 c 704
2002-08-01 06:55:38 C 17 20 49.15 +28 36 32.8 19.8 c 704
2003-12-14 06:16:12 C 09 13 56.60 -47 36 02.9 r 859
2003-12-14 06:18:30 C 09 13 56.82 -47 36 09.3 r 859
2004-04-04 06:45:06 C 17 41 34.96 -60 57 19.2 r 859
2004-04-04 06:46:39 C 17 41 34.85 -60 57 16.3 r 859
2004-04-04 06:52:02 C 17 41 34.58 -60 57 07.3 r 859
2004-04-04 06:53:05 C 17 41 34.50 -60 57 05.6 r 859
2004-04-04 07:00:40 C 17 41 34.19 -60 56 52.4 r 859
2004-04-25 05:09:53 C 17 04 41.02 -39 44 44.3 r 859
2004-04-25 05:11:10 C 17 04 40.82 -39 44 39.5 r 859
2004-04-25 05:12:28 C 17 04 40.69 -39 44 34.7 r 859
2004-04-25 05:39:27 C 17 04 37.76 -39 43 00.4 r 859
2004-04-25 05:41:14 C 17 04 37.56 -39 42 54.1 r 859
2004-04-25 05:42:57 C 17 04 37.35 -39 42 47.8 r 859
2004-05-02 04:32:30 C 16 47 27.98 -29 16 08.7 r 859
2004-05-02 04:33:29 C 16 47 27.86 -29 16 04.9 r 859
2004-05-02 04:34:27 C 16 47 27.67 -29 16 00.7 r 859
2004-05-02 04:35:28 C 16 47 27.52 -29 15 57.5 r 859
2004-05-14 09:45:44 C 16 18 11.05 -09 55 57.4 c 688
2004-05-14 09:47:19 C 16 18 10.93 -09 55 51.4 c 688
2004-05-14 14:51:51 C 16 17 43.70 -09 37 17.6 r 379
2004-05-14 14:53:31 C 16 17 43.56 -09 37 11.5 r 379
2004-05-14 14:55:09 C 16 17 43.38 -09 37 06.2 r 379
2004-05-14 14:56:49 C 16 17 43.22 -09 36 59.9 r 379
2004-05-14 14:58:28 C 16 17 43.07 -09 36 54.2 r 379
2004-05-15 07:16:23 C 16 16 14.09 -08 37 53.7 16.4 c 704
2004-05-15 07:31:46 C 16 16 12.60 -08 36 59.6 16.1 c 704
2004-05-15 07:46:39 C 16 16 11.18 -08 36 05.1 17.2 c 704
2004-05-15 08:01:27 C 16 16 09.73 -08 35 12.5 16.0 c 704