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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 41 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .08064571643822306 | 3.6096e-08 | |
| a | 2.786521113019278 | 1.1243e-08 | au |
| q | 2.561800121489604 | 1.0056e-07 | au |
| i | 13.47372245798682 | 3.9252e-06 | deg |
| node | 131.2811192045775 | 1.7855e-05 | deg |
| peri | 14.75004800987507 | 3.2466e-05 | deg |
| M | 96.88981593259489 | 2.6132e-05 | deg |
| tp | 2458743.235417928049
(2019-Sep-16.73541793) | 0.00012332 | TDB |
| period | 1698.994346943782
4.65 | 1.0282e-05
2.815e-08 | d
yr |
| n | .2118900516929808 | 1.2824e-09 | deg/d |
| Q | 3.011242104548952 | 1.2149e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
11.27 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
31.899 |
km |
0.126 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
14.491 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Warner, B.D. (2006) Minor Planet Bull. 33, 85-88.] |
| geometric albedo |
albedo |
0.071 |
|
0.007 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| SMASSII spectral type |
spec_B |
C |
|
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) |
|
| 3642 Frieden (1953 XL1) Discovered 1953-Dec-04 by Gessner, H. at Sonneberg |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
Alternate Designations
| 1953 XL1 = 1936 FU = 1945 BD = 1950 FK = 1959 CB1 = 1959 EB1 = 1978 GB3 = 1982 BK8 = A908 ED |
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