3103 Eger (1982 BB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3541833241 ± 2.00e+00
Semi-major axis (a)1.4039472551 AU ± 3.00e+00
Inclination (i)20.93071887° ± 4.00e+00
Long. of Asc. Node (Ω)129.73173744° ± 5.00e+00
Arg. of Perihelion (ω)254.10494834° ± 6.00e+00
Mean Anomaly (M)181.12184640° ± 8.33e-05
Mean Motion (n)0.5924969077°/day ± 1.90e+00
Perihelion dist (q)0.90669255 AU ± 3.41e+00
Aphelion dist (Q)1.90120196 AU ± 4.94e+00
Orbital Period1.66351296 yr ± 5.33e+00
NGA Modelr2
A24.86502687e-06 AU/d²
Physical Parameters
H (abs. magnitude)15.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.341″
Uncertainty0
Orbit TypeApollo
MOID0.078006 AU
Observations Used7901
Radar Obs Used4
Gaia Obs Used108
Oppositions14
Arc Total1982-2017
First Observation Used1982-02-02
Last Observation Used2026-04-05
Observations (11858)
Date Type RA Dec Mag Band Observatory
2024-06-09 08:10:40 C 13 59 55.678 +24 18 23.44 V T05
2024-06-09 08:18:29 C 13 59 55.478 +24 18 18.76 V T05
2024-06-09 08:33:06 C 13 59 55.121 +24 18 09.72 V T05
2024-06-10 07:54:32 C 13 59 22.608 +24 04 08.15 V T08
2024-06-10 07:58:32 C 13 59 22.507 +24 04 06.38 V T08
2024-06-10 08:06:38 C 13 59 22.318 +24 04 00.77 V T08
2024-06-10 08:20:48 C 13 59 21.967 +24 03 52.27 V T08
2024-06-11 07:41:09 C 13 58 51.998 +23 49 34.43 V T08
2024-06-11 07:55:30 C 13 58 51.684 +23 49 25.07 V T08
2024-06-11 08:01:09 C 13 58 51.545 +23 49 21.72 V T08
2024-06-11 08:17:36 C 13 58 51.182 +23 49 11.50 V T08
2024-06-12 07:25:40 C 13 58 24.000 +23 34 44.15 V T05
2024-06-12 07:29:53 C 13 58 23.928 +23 34 41.88 V T05
2024-06-12 07:40:06 C 13 58 23.714 +23 34 35.47 V T05
2024-06-12 07:42:04 C 13 58 23.659 +23 34 34.03 V T05
2024-06-12 07:46:11 C 13 58 23.604 +23 34 31.55 V T05
2024-06-12 07:54:24 C 13 58 23.405 +23 34 26.29 V T05
2024-06-12 07:55:03 C 13 58 23.386 +23 34 25.90 V T05
2024-06-13 07:15:53 C 13 57 58.416 +23 19 35.18 V T05
2024-06-13 07:23:40 C 13 57 58.258 +23 19 30.43 V T05
2024-06-13 07:28:14 C 13 57 58.183 +23 19 27.34 V T05
2024-06-13 07:42:47 C 13 57 57.893 +23 19 18.01 V T05
2024-06-14 07:57:54 C 13 57 34.385 +23 03 37.30 V T08
2024-06-14 08:02:03 C 13 57 34.320 +23 03 34.45 V T08
2024-06-14 08:09:52 C 13 57 34.188 +23 03 29.27 V T08
2024-06-14 08:24:34 C 13 57 33.941 +23 03 19.62 V T08
2024-06-15 08:01:45 C 13 57 13.668 +22 47 48.88 V T08
2024-06-15 08:05:53 C 13 57 13.610 +22 47 46.14 V T08
2024-06-15 08:13:50 C 13 57 13.510 +22 47 40.63 V T08
2024-06-15 08:38:12 C 13 57 13.128 +22 47 24.07 V T08
2024-06-16 07:41:16 C 13 56 55.814 +22 32 01.68 V T05
2024-06-16 07:48:44 C 13 56 55.702 +22 31 57.11 V T05
2024-06-16 07:54:04 C 13 56 55.644 +22 31 53.40 V T05
2024-06-16 08:09:56 C 13 56 55.423 +22 31 42.96 V T05
2024-06-18 04:53:51 C 13 56 28.252 +22 01 15.92 V G96
2024-06-18 05:02:16 C 13 56 28.158 +22 01 10.20 V G96
2024-06-18 05:10:40 C 13 56 28.075 +22 01 04.26 V G96
2024-06-18 05:19:05 C 13 56 27.992 +22 00 58.50 V G96
2024-06-23 07:43:00 C 13 55 56.263 +20 34 14.95 V T08
2024-06-23 07:47:14 C 13 55 56.309 +20 34 12.65 V T08
2024-06-23 07:54:41 C 13 55 56.282 +20 34 07.28 V T08
2024-06-23 08:00:37 C 13 55 56.278 +20 34 03.00 V T05
2024-06-23 08:05:13 C 13 55 56.287 +20 33 59.33 V T05
2024-06-23 08:10:00 C 13 55 56.242 +20 33 55.94 V T08
2024-06-23 08:14:29 C 13 55 56.246 +20 33 52.60 V T05
2024-06-23 08:31:25 C 13 55 56.220 +20 33 39.82 V T05
2024-06-24 07:46:14 C 13 55 57.130 +20 16 40.33 V T05
2024-06-24 07:50:48 C 13 55 57.166 +20 16 37.85 V T05
2024-06-24 07:59:56 C 13 55 57.154 +20 16 30.54 V T05
2024-06-24 08:14:29 C 13 55 57.110 +20 16 19.99 V T05
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1986-07-18 07:50:00 202602 6 Hz 2380 -1 -1
1986-07-18.326389 20260200 600 Hz 2380 251 251
1996-07-29 09:10:00 469654 5 Hz 8510 -14 -14
1996-07-29 13:00:00 133166634 10 us 8510 -14 -14
1996-07-29.381944 46965400 500 Hz 8510 253 253
1996-07-29.541667 13316663400 10000 us 8510 253 253
1996-07-30 10:50:00 410012.2 5 Hz 8510 -14 -14
1996-07-30.451389 41001220 500 Hz 8510 253 253
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)