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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 127 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1919485136018527 | 2.8497e-08 | |
a | 2.366236890521513 | 4.2313e-09 | au |
q | 1.912041236556039 | 6.7153e-08 | au |
i | 4.815899766791336 | 3.3721e-06 | deg |
node | 160.047140648122 | 3.1676e-05 | deg |
peri | 298.7456065753591 | 3.2662e-05 | deg |
M | 298.4248427140532 | 8.4446e-06 | deg |
tp | 2459227.899123979332 (2021-Jan-13.39912398) | 3.1249e-05 | TDB |
period | 1329.492091305518 3.64 | 3.5661e-06 9.763e-09 | d yr |
n | .2707800989222071 | 7.2631e-10 | deg/d |
Q | 2.820432544486987 | 5.0434e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
9.7 |
|
n/a |
MPO492750 |
IRAS observations used: 15 |
magnitude slope |
G |
-0.04 |
|
n/a |
PDS3 (MPC 17257) |
Fit |
diameter |
diameter |
81.579 |
km |
3.062 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
rotation period |
rot_per |
16.136 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.] [Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.] [Pilcher, F.; Briggs, J.; Martinez, L.; Odden, C.; Aggarwal, A. (2014) Minor Planet Bull. 41, 187.] [Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.] [Durech, J.; Hanus, J.; Broz, M.; Lehky, M.; et al. (2017) Icarus 304, 101-109.] |
geometric albedo |
albedo |
0.033 |
|
0.004 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
B-V |
BV |
0.717 |
|
0.023 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=5.23, mean=11.78, max.=18.33) deg. |
U-B |
UB |
0.341 |
|
0.015 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=5.23, mean=11.78, max.=18.33) deg. |
Tholen spectral type |
spec_T |
C |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 2 color indices |
SMASSII spectral type |
spec_B |
Ch |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |
|
163 Erigone (A876 HC) Discovered 1876-Apr-26 by Perrotin, J. at Toulouse |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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[ hide close-approach data ]
Close-Approach Data ...sorted by Date/Time (TDB)
|
Date/Time (TDB) |
Time Uncertainty (days_HH:MM) |
Body |
Nominal Distance (au) |
Minimum Distance (au) |
Maximum Distance (au) |
V-relative (km/s) |
V-infinity (km/s) |
JD (TDB) |
Time Uncertainty (minutes) |
Semi-major axis (km) |
Semi-minor axis (km) |
range-LOV angle (deg) |
N-sigma |
BP |
Orbit Ref. |
Reference |
Modified |
1958-Mar-12 18:16 |
< 00:01 |
Amphi |
0.046837060069188 |
0.046836739064526 |
0.0468373810758321 |
4.20365197968357 |
4.20365195048533 |
2436275.261431297 |
0.246964402422241 |
67.1963301331089 |
15.5600322403347 |
-86.7324099008775 |
449396.977154869 |
T |
127 |
CATAB v2.0f-lin.ifort 2020-Dec-18 01:51:37 |
2020-Dec-18 01:51 |
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Alternate Designations
A876 HC = 1957 OT = 2017 YH23 = A892 RA |
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