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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1117976476247316 | 3.2872e-08 | |
| a | 3.014143832862985 | 1.1055e-08 | au |
| q | 2.677169642746311 | 9.8387e-08 | au |
| i | 10.77652554931271 | 3.3356e-06 | deg |
| node | 155.6001358316699 | 1.8241e-05 | deg |
| peri | 211.7441775111855 | 2.3588e-05 | deg |
| M | 114.9466709776564 | 1.5237e-05 | deg |
| tp | 2458590.207148281943
(2019-Apr-16.70714828) | 8.0731e-05 | TDB |
| period | 1911.368330634014
5.23 | 1.0516e-05
2.879e-08 | d
yr |
| n | .1883467431317047 | 1.0362e-09 | deg/d |
| Q | 3.351118022979658 | 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 |
10.96 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
22.378 |
km |
0.235 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
4.742 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[King, J.R.; Beaky, M.M. (2010) Minor Planet Bull. 37, 34.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.] |
| geometric albedo |
albedo |
0.128 |
|
0.025 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
|
| 1732 Heike (1943 EY) Discovered 1943-Mar-09 by Reinmuth, K. at Heidelberg |
| 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 |
| 2038-Feb-23 09:13 |
00:01 |
Juno |
0.0136671835131171 |
0.0136648888664458 |
0.01366947826308 |
3.1184529352493 |
3.1184526498008 |
2465477.883952700 |
1.30872709473933 |
132.655720051263 |
54.9090925789756 |
-33.9478475625351 |
24369.3128115743 |
T |
46 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:57:52 |
2021-Feb-24 00:57 |
| 2081-Mar-18 07:59 |
< 00:01 |
Inter |
0.0460871202004755 |
0.0460800635963152 |
0.0460941770691664 |
7.82728931764596 |
7.8272892770645 |
2481206.832655568 |
0.70682482212968 |
392.764839262137 |
27.8894445561041 |
-26.4696768926836 |
111271.300113711 |
T |
46 |
CATAB v2.0f-lin.ifort 2021-Feb-24 00:57:52 |
2021-Feb-24 00:57 |
|
Alternate Designations
| 1943 EY = 1934 LC = 1935 TD = 1938 FC = 1938 GB = 1950 NR1 = 1951 WW = 1960 ME = 1961 TU1 = 1966 QJ = 1971 QY1 = A906 FA = A924 PB |
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