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
2014-05-03 10:15:29 C 14 32 49.15 +28 32 18.1 R G45
2014-05-03 10:15:35 C 14 32 49.15 +28 32 18.1 R G45
2014-05-03 10:33:58 C 14 32 47.84 +28 32 21.3 R G45
2014-05-03 10:50:13 C 14 32 46.67 +28 32 24.2 R G45
2014-05-03 10:50:19 C 14 32 46.66 +28 32 23.3 R G45
2014-05-03 11:06:28 C 14 32 45.54 +28 32 26.5 R G45
2014-05-03 11:06:34 C 14 32 45.52 +28 32 26.3 R G45
2014-05-04 09:42:43 C 14 31 11.41 +28 36 11.7 N I41
2014-05-04 10:36:11 C 14 31 07.61 +28 36 19.3 N I41
2014-05-05 03:56:39 C 14 29 56.40 +28 38 45.4 N I41
2014-05-05 04:27:06 C 14 29 54.26 +28 38 49.6 N I41
2014-05-05 05:57:33 C 14 29 47.82 +28 39 02.1 N I41
2014-05-05 07:27:14 C 14 29 41.42 +28 39 13.8 N I41
2014-05-05 22:02:47 C 14 28 41.22 +28 40 55.0 c A24
2014-05-05 22:03:53 C 14 28 41.16 +28 40 55.3 c A24
2014-05-05 23:06:17 C 14 28 36.72 +28 41 02.2 c A24
2014-05-05 23:07:22 C 14 28 36.62 +28 41 02.3 c A24
2014-05-08 01:47:20 C 14 25 09.75 +28 45 03.1 q I15
2014-05-08 01:52:17 C 14 25 09.38 +28 45 03.3 q I15
2014-05-08 01:58:37 C 14 25 08.97 +28 45 03.7 q I15
2014-05-09 07:02:20 C 14 23 11.69 +28 46 03.5 q 703
2014-05-09 07:12:50 C 14 23 10.96 +28 46 04.2 q 703
2014-05-09 07:23:13 C 14 23 10.21 +28 46 04.2 q 703
2014-05-09 07:33:29 C 14 23 09.50 +28 46 04.3 q 703
2014-05-12 03:18:08 C 14 18 44.01 +28 44 34.9 u H21
2014-05-12 03:24:14 C 14 18 43.61 +28 44 34.5 u H21
2014-05-12 03:29:36 C 14 18 43.25 +28 44 34.4 u H21
2014-05-12 03:34:58 C 14 18 42.88 +28 44 34.1 u H21
2014-05-12 03:40:32 C 14 18 42.52 +28 44 33.5 u H21
2014-05-19 05:43:00 C 14 08 30.32 +28 19 14.0 u H21
2014-05-19 05:49:34 C 14 08 29.93 +28 19 12.3 u H21
2014-05-19 05:56:08 C 14 08 29.57 +28 19 10.8 u H21
2014-05-19 06:02:29 C 14 08 29.20 +28 19 09.4 u H21
2014-05-26 06:11:07 C 14 00 05.06 +27 26 46.1 q 703
2014-05-26 06:19:55 C 14 00 04.63 +27 26 43.0 q 703
2014-05-26 06:28:44 C 14 00 04.25 +27 26 39.7 q 703
2014-05-26 06:37:33 C 14 00 03.87 +27 26 36.2 q 703
2014-06-06 08:17:20 C 13 50 54.41 +25 19 16.8 q 703
2014-06-06 08:26:02 C 13 50 54.18 +25 19 11.5 q 703
2014-06-06 08:34:44 C 13 50 53.93 +25 19 06.9 q 703
2014-06-06 08:43:27 C 13 50 53.75 +25 19 02.3 q 703
2014-06-07 04:24:47 C 13 50 25.92 +25 07 51.6 u H21
2014-06-07 04:27:44 C 13 50 25.86 +25 07 49.8 u H21
2014-06-07 04:30:30 C 13 50 25.77 +25 07 48.2 u H21
2014-06-07 04:33:00 C 13 50 25.73 +25 07 46.8 u H21
2014-06-07 04:35:34 C 13 50 25.65 +25 07 45.4 u H21
2014-06-07 04:37:53 C 13 50 25.61 +25 07 43.8 u H21
2014-06-07 04:41:14 C 13 50 25.54 +25 07 42.0 u H21
2014-06-14 03:56:27 C 13 47 36.22 +23 25 17.6 u H21
2014-06-14 04:01:34 C 13 47 36.16 +23 25 14.2 u H21
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)