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
2022-02-18 01:13:51 S 10 35 52.133 +29 52 10.02 V C57
2022-02-18 01:13:51 s 1 +57517.868 0 +372222.37 9770.0 C57
2022-02-18 01:23:51 S 10 35 51.307 +29 52 22.62 V C57
2022-02-18 01:23:51 s 1 +57139.337 0 +372360.51 4480.0 C57
2022-02-18 01:33:51 S 10 35 50.542 +29 52 36.91 V C57
2022-02-18 01:33:51 s 1 +56760.653 0 +372497.65 8880.0 C57
2022-02-18 01:43:51 S 10 35 49.831 +29 52 48.43 V C57
2022-02-18 01:43:51 s 1 +56381.818 0 +372633.78 2990.0 C57
2022-02-18 01:53:51 S 10 35 48.979 +29 53 01.57 V C57
2022-02-18 01:53:51 s 1 +56002.832 0 +372768.90 6810.0 C57
2022-02-18 02:03:51 S 10 35 48.240 +29 53 14.82 V C57
2022-02-18 02:03:51 s 1 +55623.697 0 +372903.02 340.0 C57
2022-02-18 02:13:51 S 10 35 47.383 +29 53 27.13 V C57
2022-02-18 02:13:51 s 1 +55244.414 0 +373036.13 3580.0 C57
2022-02-18 02:23:51 S 10 35 46.661 +29 53 40.31 V C57
2022-02-18 02:23:51 s 1 +54864.983 0 +373168.24 6550.0 C57
2022-02-18 02:33:51 S 10 35 45.874 +29 53 53.74 V C57
2022-02-18 02:33:51 s 1 +54485.407 0 +373299.34 9240.0 C57
2022-02-18 02:43:51 S 10 35 45.031 +29 54 05.80 V C57
2022-02-18 02:43:51 s 1 +54105.686 0 +373429.43 1670.0 C57
2022-02-18 02:53:51 S 10 35 44.362 +29 54 18.72 V C57
2022-02-18 02:53:51 s 1 +53725.821 0 +373558.52 3830.0 C57
2022-02-18 03:03:51 S 10 35 43.536 +29 54 32.22 V C57
2022-02-18 03:03:51 s 1 +53345.813 0 +373686.61 5720.0 C57
2022-02-18 03:23:51 S 10 35 42.007 +29 54 56.99 V C57
2022-02-18 03:23:51 s 1 +52585.375 0 +373939.76 8760.0 C57
2022-02-18 03:33:51 S 10 35 41.232 +29 55 10.45 V C57
2022-02-18 03:33:51 s 1 +52204.945 0 +374064.83 9910.0 C57
2022-02-18 03:43:51 S 10 35 40.397 +29 55 22.51 V C57
2022-02-18 03:43:51 s 1 +51824.378 0 +374188.90 820.0 C57
2022-02-18 03:53:51 S 10 35 39.650 +29 55 36.12 V C57
2022-02-18 03:53:51 s 1 +51443.673 0 +374311.96 1490.0 C57
2022-02-18 04:03:51 S 10 35 38.899 +29 55 48.43 V C57
2022-02-18 04:03:51 s 1 +51062.833 0 +374434.02 1930.0 C57
2022-02-18 04:13:51 S 10 35 38.052 +29 56 01.00 V C57
2022-02-18 04:13:51 s 1 +50681.857 0 +374555.08 2140.0 C57
2022-02-18 04:23:51 S 10 35 37.277 +29 56 14.42 V C57
2022-02-18 04:23:51 s 1 +50300.747 0 +374675.13 2140.0 C57
2022-02-18 04:33:51 S 10 35 36.514 +29 56 27.13 V C57
2022-02-18 04:33:51 s 1 +49919.504 0 +374794.18 1910.0 C57
2022-02-18 04:43:51 S 10 35 35.695 +29 56 39.48 V C57
2022-02-18 04:43:51 s 1 +49538.130 0 +374912.23 1470.0 C57
2022-02-18 04:53:51 S 10 35 34.973 +29 56 52.98 V C57
2022-02-18 04:53:51 s 1 +49156.624 0 +375029.28 820.0 C57
2022-02-18 05:03:51 S 10 35 34.150 +29 57 04.82 V C57
2022-02-18 05:03:51 s 1 +48774.989 0 +375145.32 9970.0 C57
2022-02-18 05:13:51 S 10 35 33.382 +29 57 16.88 V C57
2022-02-18 05:13:51 s 1 +48393.226 0 +375260.36 8920.0 C57
2022-02-18 05:23:51 S 10 35 32.606 +29 57 32.15 V C57
2022-02-18 05:23:51 s 1 +48011.335 0 +375374.40 7670.0 C57
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)