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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 30 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .2604239846267626 | 5.2229e-08 | |
| a | 2.298836578488039 | 7.7477e-09 | au |
| q | 1.70016439671243 | 1.1953e-07 | au |
| i | 26.01530302950194 | 5.5617e-06 | deg |
| node | 54.59324741842632 | 8.1282e-06 | deg |
| peri | 323.3297220329864 | 1.3174e-05 | deg |
| M | 89.15536695947897 | 1.3167e-05 | deg |
| tp | 2458685.213361416804
(2019-Jul-20.71336142) | 4.5926e-05 | TDB |
| period | 1273.094304480152
3.49 | 6.436e-06
1.762e-08 | d
yr |
| n | .2827755954394913 | 1.4296e-09 | deg/d |
| Q | 2.897508760263648 | 9.7654e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.1 |
|
n/a |
MPO431587 |
|
| diameter |
diameter |
3.393 |
km |
0.216 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
11.734 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2012) http://www.asu.cas.cz/~ppravec/neo.htm] |
| geometric albedo |
albedo |
0.385 |
|
0.118 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 7695 Přemysl | Discovered 1984 Nov. 27 by A. Mrkos at Klet. |
| Named for a mythical hero Přemysl, called Ploughman. He married princess Libuše, and they became the mythical founders of the royal dynasty of the Přemyslids, ruling over Bohemia until 1306. Bohemian kings Přemysl Otakar I (?-1230) and Přemysl Otakar II (?-1278) are considered the most reputable members of this dynasty. Name suggested by J. Ticha, M. Tichy and Z. Moravec. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 19980610/MPCPages.arc | Last Updated: 2009-11-17 |
|
[ 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 |
| 2167-Sep-17 21:59 |
< 00:01 |
Hebe |
0.024814651431992 |
0.0248118204176778 |
0.0248174860797294 |
7.50262882517232 |
7.50262879178082 |
2512800.416155519 |
0.785030001975829 |
507.119373790689 |
33.1946319654604 |
74.2590571191323 |
107634.328602637 |
T |
30 |
CATAB v2.0f-lin.ifort 2020-Dec-17 20:04:45 |
2020-Dec-17 20:04 |
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