2019 YY4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5645094777 ± 8.35e-04
Semi-major axis (a)1.7690454558 AU ± 3.13e-03
Inclination (i)22.08749956° ± 2.63e-02
Long. of Asc. Node (Ω)279.21696904° ± 7.44e-05
Arg. of Perihelion (ω)103.48718394° ± 1.60e-02
Mean Anomaly (M)203.52294044° ± 2.47e+00
Mean Motion (n)0.4188936604°/day ± 1.11e-03
Perihelion dist (q)0.77040253 AU ± 2.01e-03
Aphelion dist (Q)2.76768838 AU ± 5.11e-03
Orbital Period2.35292719 yr ± 6.24e-03
Physical Parameters
H (abs. magnitude)25.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.321″
Uncertainty4
Orbit TypeApollo
MOID0.049563 AU
Observations Used31
Oppositions1
Arc Total2019-2020
First Observation Used2019-12-30
Last Observation Used2020-01-01
Observations (32)
Date Type RA Dec Mag Band Observatory
2019-12-30 11:44:21 C 06 56 49.67 +27 02 26.7 V V00
2019-12-30 11:49:30 C 06 56 47.93 +27 01 17.8 V V00
2019-12-30 11:59:29 C 06 56 44.53 +26 59 01.7 V V00
2019-12-30 13:12:09 C 06 56 20.60 +26 42 42.9 o 291
2019-12-30 13:14:53 C 06 56 19.72 +26 42 06.6 o 291
2019-12-30 13:17:32 C 06 56 18.86 +26 41 30.9 o 291
2019-12-30 20:15:29 C 06 54 23.00 +25 12 03.0 V 033
2019-12-30 20:16:43 C 06 54 22.61 +25 11 47.7 V 033
2019-12-30 20:17:57 C 06 54 22.23 +25 11 32.7 V 033
2019-12-30 20:19:10 C 06 54 21.86 +25 11 17.9 V 033
2019-12-30 21:27:45 C 06 54 00.94 +24 57 24.0 V L01
2019-12-30 21:28:31 C 06 54 00.69 +24 57 14.7 V L01
2019-12-30 21:30:02 C 06 54 00.20 +24 56 55.9 V L01
2019-12-30 21:34:27 C 06 53 58.83 +24 56 01.6 V L01
2019-12-30 21:38:30 C 06 53 57.57 +24 55 12.0 V L01
2019-12-30 23:25:16 C 06 53 24.99 +24 33 34.2 V 104
2019-12-30 23:31:18 C 06 53 23.27 +24 32 20.7 V 104
2019-12-31 00:01:05 C 06 53 14.27 +24 26 17.6 V 204
2019-12-31 00:22:32 C 06 53 07.82 +24 21 58.7 V 204
2019-12-31 01:54:07 C 06 52 49.08 +24 03 48.4 V W34
2019-12-31 02:06:21 C 06 52 45.55 +24 01 24.7 V W34
2019-12-31 02:20:36 C 06 52 41.47 +23 58 37.5 V W34
2019-12-31 04:31:08 C 06 52 06.39 +23 33 16.6 o 291
2019-12-31 04:36:07 C 06 52 05.00 +23 32 19.3 o 291
2019-12-31 04:46:13 C 06 52 02.07 +23 30 23.4 o 291
2020-01-01 03:12:58 C 06 46 48.19 +19 33 19.6 V H01
2020-01-01 03:15:25 C 06 46 38.89 +19 32 33.1 V 033
2020-01-01 03:17:02 C 06 46 38.58 +19 32 17.1 V 033
2020-01-01 03:18:42 C 06 46 38.18 +19 32 01.3 V 033
2020-01-01 03:26:28 C 06 46 45.22 +19 31 11.6 V H01
2020-01-01 03:32:53 C 06 46 43.81 +19 30 10.7 V H01
2020-01-01 03:54:50 C 06 46 38.95 +19 26 43.1 V H01