375505 (2008 UN90)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1255612722 ± 1.42e-07
Semi-major axis (a)1.4044746835 AU ± 1.57e-09
Inclination (i)17.54502922° ± 1.58e-05
Long. of Asc. Node (Ω)33.49249037° ± 1.13e-05
Arg. of Perihelion (ω)313.21383525° ± 3.48e-05
Mean Anomaly (M)121.31072520° ± 3.10e-05
Mean Motion (n)0.5921631846°/day ± 9.93e-10
Perihelion dist (q)1.22812706 AU ± 2.00e-07
Aphelion dist (Q)1.58082231 AU ± 2.00e-07
Orbital Period1.66445046 yr ± 2.79e-09
Physical Parameters
H (abs. magnitude)20.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.651″
Uncertainty0
Orbit TypeAmor
MOID0.263862 AU
Observations Used419
Oppositions10
Arc Total1998-2023
First Observation Used1998-11-17
Last Observation Used2023-12-14
Observations (534)
Date Type RA Dec Mag Band Observatory
2018-10-12 11:44:40 s 1 -121289.68 3 +353130.87 1370.0 C57
2018-10-12 14:44:40 S 01 24 57.497 -15 58 27.12 V C57
2018-10-12 14:44:40 s 1 -126967.40 7 +349425.67 2530.0 C57
2018-10-12 15:14:40 S 01 24 53.662 -15 57 19.87 V C57
2018-10-12 15:14:40 s 1 -127902.56 3 +348777.61 5840.0 C57
2018-10-12 15:44:40 S 01 24 50.417 -15 56 23.60 V C57
2018-10-12 15:44:40 s 1 -128834.46 2 +348120.83 2930.0 C57
2018-10-12 20:14:40 S 01 24 16.690 -15 45 54.76 V C57
2018-10-12 20:14:40 s 1 -137070.06 4 +341816.92 8370.0 C57
2018-10-12 20:44:40 S 01 24 13.006 -15 44 49.24 V C57
2018-10-12 20:44:40 s 1 -137967.74 6 +341072.80 3750.0 C57
2018-10-12 21:14:40 S 01 24 08.698 -15 43 29.71 V C57
2018-10-12 21:14:40 s 1 -138861.83 8 +340319.93 1000.0 C57
2018-10-12 21:44:40 S 01 24 05.652 -15 42 33.19 V C57
2018-10-12 21:44:40 s 1 -139752.31 0 +339558.32 9930.0 C57
2018-10-12 22:14:40 S 01 24 02.318 -15 41 13.16 V C57
2018-10-12 22:14:40 s 1 -140639.12 9 +338787.96 370.0 C57
2018-10-12 22:44:40 S 01 23 58.186 -15 40 14.88 V C57
2018-10-12 22:44:40 s 1 -141522.26 4 +338008.84 2140.0 C57
2018-10-12 23:14:40 S 01 23 54.754 -15 38 48.23 V C57
2018-10-12 23:14:40 s 1 -142401.68 3 +337220.97 5040.0 C57
2018-10-12 23:44:40 S 01 23 50.928 -15 37 51.38 V C57
2018-10-12 23:44:40 s 1 -143277.35 4 +336424.34 8910.0 C57
2018-10-13 00:14:40 S 01 23 47.016 -15 36 36.11 V C57
2018-10-13 00:14:40 s 1 -144149.24 4 +335618.95 3550.0 C57
2018-10-13 00:44:40 S 01 23 43.250 -15 35 34.98 V C57
2018-10-13 00:44:40 s 1 -145017.32 1 +334804.80 8780.0 C57
2018-10-13 01:44:40 S 01 23 35.844 -15 33 17.93 V C57
2018-10-13 01:44:40 s 1 -146741.90 6 +333150.18 260.0 C57
2018-10-13 02:14:40 S 01 23 32.755 -15 32 03.95 V C57
2018-10-13 02:14:40 s 1 -147598.34 8 +332309.71 6140.0 C57
2018-10-13 02:44:40 S 01 23 28.032 -15 30 51.55 V C57
2018-10-13 02:44:40 s 1 -148450.84 3 +331460.46 1860.0 C57
2018-10-13 03:14:40 S 01 23 25.042 -15 29 37.54 V C57
2018-10-13 03:14:40 s 1 -149299.36 0 +330602.43 7220.0 C57
2018-10-13 07:44:40 S 01 22 52.200 -15 19 21.29 V C57
2018-10-13 07:44:40 s 1 -156751.27 1 +322484.28 7500.0 C57
2018-10-13 10:44:40 S 01 22 30.269 -15 12 18.47 V C57
2018-10-13 10:44:40 s 1 -161525.93 5 +316675.25 1570.0 C57
2018-10-13 11:14:40 S 01 22 26.777 -15 11 09.53 V C57
2018-10-13 11:14:40 s 1 -162305.99 4 +315676.11 4250.0 C57
2018-10-13 14:14:40 S 01 22 05.448 -15 04 14.95 V C57
2018-10-13 14:14:40 s 1 -166888.53 3 +309495.01 2710.0 C57
2018-10-13 16:44:40 S 01 21 47.921 -14 58 29.39 V C57
2018-10-13 16:44:40 s 1 -170574.83 5 +304099.52 3820.0 C57
2018-10-13 17:44:40 S 01 21 41.167 -14 56 14.93 V C57
2018-10-13 17:44:40 s 1 -172014.38 3 +301878.88 1840.0 C57
2018-10-13 19:14:40 S 01 21 30.485 -14 52 43.61 V C57
2018-10-13 19:14:40 s 1 -174135.16 8 +298480.85 7450.0 C57
2018-10-13 21:14:40 S 01 21 15.806 -14 48 01.33 V C57