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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 40 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2411269596904577 | 3.3182e-08 | |
| a | 2.638048487401907 | 9.9035e-09 | au |
| q | 2.001943876118675 | 8.9246e-08 | au |
| i | 17.71387170445974 | 4.2055e-06 | deg |
| node | 164.354456915868 | 1.2856e-05 | deg |
| peri | 103.4030127111333 | 1.5622e-05 | deg |
| M | 319.5333520004758 | 8.9548e-06 | deg |
| tp | 2459176.420851409234
(2020-Nov-22.92085141) | 3.9295e-05 | TDB |
| period | 1565.029713063186
4.28 | 8.8129e-06
2.413e-08 | d
yr |
| n | .2300275815820664 | 1.2953e-09 | deg/d |
| Q | 3.27415309868514 | 1.2291e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.0 |
|
n/a |
MPO365274 |
|
| diameter |
diameter |
31.285 |
km |
0.265 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
3.67381 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Benishek, V. (2016) Minor Planet Bull. 43, 339-342.]
[Ferrero, A.; Luna, V. (2016) Minor Planet Bull. 43-4, in press.]
[Luna, V. (2016) Posting on CALL web site: http://www.minorplanet.info/call.html]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] |
| geometric albedo |
albedo |
0.001 |
|
0.001 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 2408 Astapovich (1978 QK1) Discovered 1978-Aug-31 by Chernykh, N. at Nauchnyj |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ 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 |
| 1960-Jan-23 18:42 |
< 00:01 |
Amphi |
0.0254883624793351 |
0.0254846013747398 |
0.0254921239292542 |
9.40713053730449 |
9.40713051332864 |
2436957.279180059 |
0.440459649745768 |
240.53128077878 |
35.2416236826084 |
-39.2707383012249 |
69568.0873788514 |
T |
40 |
CATAB v2.0f-lin.ifort 2020-Nov-13 04:09:43 |
2020-Nov-13 04:09 |
| 2098-Jun-07 08:01 |
< 00:01 |
Iris |
0.0176062924887674 |
0.0176035445964964 |
0.0176090462317185 |
10.927600161837 |
10.9276001319571 |
2487496.834190197 |
0.81999392718121 |
539.883132093899 |
33.7964226673997 |
-75.7169855086478 |
75525.4043685086 |
T |
40 |
CATAB v2.0f-lin.ifort 2020-Nov-13 04:09:43 |
2020-Nov-13 04:09 |
|
Alternate Designations
| 1978 QK1 = 1943 GR = 1948 RH = 1977 DG5 = 1977 FW1 |
|
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