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
2021-12-30 04:43:54 s 1 -52362.437 0 -89307.584 4590.0 C57
2022-01-01 12:47:22 C 11 15 05.08 +00 47 44.2 V T08
2022-01-01 12:50:01 C 11 15 05.13 +00 47 47.1 V T08
2022-01-01 12:57:59 C 11 15 05.27 +00 47 56.0 V T08
2022-01-05 09:37:29 C 11 16 45.38 +02 36 42.0 V 703
2022-01-05 09:39:21 C 11 16 45.37 +02 36 44.6 V 703
2022-01-05 09:45:01 C 11 16 45.46 +02 36 51.3 V 703
2022-01-05 09:46:54 C 11 16 45.45 +02 36 53.9 V 703
2022-01-05 09:52:33 C 11 16 45.53 +02 37 00.7 V 703
2022-01-05 09:54:26 C 11 16 45.53 +02 37 03.1 V 703
2022-01-05 10:00:05 C 11 16 45.61 +02 37 10.0 V 703
2022-01-05 10:01:58 C 11 16 45.61 +02 37 12.3 V 703
2022-01-05 12:25:45 C 11 16 47.72 +02 40 12.9 V T08
2022-01-05 12:33:44 C 11 16 47.79 +02 40 22.7 V T08
2022-01-05 12:36:24 C 11 16 47.83 +02 40 26.0 V T08
2022-01-05 12:44:22 C 11 16 47.89 +02 40 35.8 V T08
2022-01-07 05:16:50 C 11 17 14.63 +03 31 41.5 o Z22
2022-01-07 05:28:07 C 11 17 14.68 +03 31 56.2 o Z22
2022-01-07 12:09:55 C 11 17 18.82 +03 40 36.4 V T05
2022-01-07 12:17:50 C 11 17 18.85 +03 40 46.8 V T05
2022-01-07 12:20:30 C 11 17 18.87 +03 40 50.2 V T05
2022-01-07 12:35:39 C 11 17 18.94 +03 41 09.9 V T05
2022-01-08 10:53:06 C 11 17 28.30 +04 10 18.3 V G96
2022-01-08 11:00:32 C 11 17 28.32 +04 10 28.1 V G96
2022-01-08 11:07:59 C 11 17 28.34 +04 10 38.0 V G96
2022-01-08 11:15:24 C 11 17 28.35 +04 10 47.9 V G96
2022-01-09 12:09:54 C 11 17 35.99 +04 44 12.2 V T08
2022-01-09 12:19:14 C 11 17 35.99 +04 44 24.9 V T08
2022-01-09 12:22:34 C 11 17 35.99 +04 44 29.4 V T08
2022-01-09 12:34:31 C 11 17 35.98 +04 44 45.6 V T08
2022-01-11 13:29:58 C 11 17 38.28 +05 52 30.7 V T05
2022-01-11 13:32:37 C 11 17 38.27 +05 52 34.4 V T05
2022-01-11 13:36:36 C 11 17 38.25 +05 52 40.1 V T05
2022-01-11 13:43:55 C 11 17 38.20 +05 52 50.4 V T05
2022-01-12 10:22:43 C 11 17 34.69 +06 22 15.2 V 703
2022-01-12 10:30:21 C 11 17 34.64 +06 22 26.2 V 703
2022-01-12 10:38:55 C 11 17 34.57 +06 22 38.6 V 703
2022-01-12 10:46:33 C 11 17 34.50 +06 22 49.6 V 703
2022-01-12 11:54:46 C 11 17 34.70 +06 24 30.5 V T05
2022-01-12 12:08:04 C 11 17 34.59 +06 24 49.8 V T05
2022-01-12 12:10:45 C 11 17 34.57 +06 24 53.7 V T05
2022-01-12 12:20:03 C 11 17 34.50 +06 25 07.1 V T05
2022-01-13 01:50:56 C 11 17 30.30 +06 44 36.9 q M16
2022-01-13 03:37:00 C 11 17 29.35 +06 47 11.3 q M16
2022-01-13 05:04:56 C 11 17 28.53 +06 49 19.8 q M16
2022-01-13 13:18:47 C 11 17 25.93 +07 01 30.0 V T08
2022-01-13 13:28:07 C 11 17 25.83 +07 01 43.7 V T08
2022-01-13 13:30:46 C 11 17 25.80 +07 01 47.6 V T08
2022-01-13 13:38:04 C 11 17 25.71 +07 01 58.4 V T08
2022-01-14 12:10:44 C 11 17 15.00 +07 35 25.2 V T08
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)