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
2009-11-06 06:29:45 C 00 26 09.42 +33 20 25.6 r 703
2009-11-06 06:30:37 C 00 26 09.31 +33 20 24.0 r 703
2009-11-06 06:40:16 C 00 26 09.02 +33 20 10.2 r 703
2009-11-06 06:41:05 C 00 26 08.91 +33 20 09.0 r 703
2009-11-06 06:50:45 C 00 26 08.62 +33 19 55.3 r 703
2009-11-06 06:51:39 C 00 26 08.52 +33 19 53.4 r 703
2009-11-17 23:36:38 C 00 19 50.13 +26 25 57.8 19.1 o C20
2009-11-17 23:55:09 C 00 19 49.94 +26 25 31.5 18.5 o C20
2009-11-18 23:48:58 C 00 19 36.95 +25 50 55.0 18.1 o C20
2009-11-20 04:30:42 C 00 19 25.64 +25 09 45.9 r 703
2009-11-20 04:40:16 C 00 19 25.53 +25 09 32.5 r 703
2009-11-20 04:49:48 C 00 19 25.42 +25 09 18.7 r 703
2009-11-26 22:41:47 C 00 19 36.45 +21 25 31.8 19.7 o C20
2009-12-11 02:38:16 C 00 26 16.90 +14 42 36.7 r 703
2009-12-11 02:48:48 C 00 26 17.16 +14 42 25.9 r 703
2009-12-11 02:59:23 C 00 26 17.48 +14 42 14.7 r 703
2009-12-11 03:10:01 C 00 26 17.80 +14 42 04.2 r 703
2009-12-12 03:16:15 C 00 27 02.99 +14 17 24.8 19.2 c 704
2009-12-12 03:34:26 C 00 27 03.64 +14 17 09.1 19.1 c 704
2009-12-12 03:52:39 C 00 27 04.19 +14 16 49.5 19.6 c 704
2009-12-12 04:10:53 C 00 27 04.74 +14 16 33.0 19.6 c 704
2009-12-12 04:29:04 C 00 27 05.33 +14 16 11.8 19.3 c 704
2010-01-06 02:35:30 C 00 55 06.56 +06 45 38.2 r 703
2010-01-06 02:43:47 C 00 55 07.10 +06 45 32.5 r 703
2010-01-06 02:52:21 C 00 55 07.60 +06 45 28.6 r 703
2010-01-06 03:00:39 C 00 55 08.04 +06 45 22.8 r 703
2010-01-12 01:46:33 C 01 03 56.12 +05 36 48.8 r 703
2010-01-12 01:54:45 C 01 03 56.66 +05 36 45.0 r 703
2010-01-12 02:03:00 C 01 03 57.20 +05 36 41.6 r 703
2010-01-12 02:11:15 C 01 03 57.81 +05 36 38.2 r 703
2011-09-01 10:39:44 C 00 06 54.623 +51 35 04.58 L F51
2011-09-01 10:56:22 C 00 06 53.793 +51 35 05.64 L F51
2011-09-01 11:14:55 C 00 06 52.850 +51 35 06.94 L F51
2011-09-01 11:31:22 C 00 06 52.016 +51 35 08.01 L F51
2011-10-23 19:00:52 C 23 00 57.79 +38 40 07.0 u 240
2011-10-23 19:06:10 C 23 00 57.66 +38 40 00.7 u 240
2011-10-23 19:11:28 C 23 00 57.51 +38 39 54.5 u 240
2011-10-23 19:16:14 C 23 00 57.41 +38 39 48.7 u 240
2011-10-23 19:21:32 C 23 00 57.29 +38 39 42.4 u 240
2011-11-03 02:31:05 C 22 58 29.49 +33 39 34.2 r 703
2011-11-03 02:41:44 C 22 58 29.49 +33 39 21.4 r 703
2011-11-03 02:52:16 C 22 58 29.38 +33 39 08.7 r 703
2011-11-03 03:02:56 C 22 58 29.42 +33 38 56.0 r 703
2013-09-15 01:45:16 C 22 09 09.01 +48 12 38.7 u H21
2013-09-15 01:54:38 C 22 09 08.45 +48 12 33.2 u H21
2013-09-15 02:04:33 C 22 09 07.94 +48 12 27.0 u H21
2015-06-06 13:21:59 C 22 08 44.280 +33 22 58.98 L F51
2015-06-06 13:37:18 C 22 08 44.637 +33 23 12.49 L F51
2015-06-06 13:52:39 C 22 08 44.960 +33 23 25.98 L F51
2015-06-07 13:51:50 C 22 09 18.535 +33 44 23.52 L F51