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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 37 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1221670446433527 | 3.7665e-08 | |
| a | 3.109031226149604 | 1.5373e-08 | au |
| q | 2.729210069547007 | 1.1952e-07 | au |
| i | 12.68770662786512 | 4.162e-06 | deg |
| node | 347.6985843474168 | 1.8074e-05 | deg |
| peri | 2.292122862157017 | 2.4573e-05 | deg |
| M | 269.1173007634723 | 1.833e-05 | deg |
| tp | 2459505.992561619840
(2021-Oct-18.49256162) | 0.00010351 | TDB |
| period | 2002.331837763043
5.48 | 1.4851e-05
4.066e-08 | d
yr |
| n | .1797903790024052 | 1.3335e-09 | deg/d |
| Q | 3.4888523827522 | 1.7251e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
10.7 |
|
n/a |
MPO347528 |
|
| diameter |
diameter |
45.056 |
km |
0.291 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
9.276 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] |
| geometric albedo |
albedo |
0.064 |
|
0.007 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
|
| 1524 Joensuu (1939 SB) Discovered 1939-Sep-18 by Vaisala, Y. at Turku |
| 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 |
| 1908-Nov-11 09:47 |
00:02 |
Jupiter |
1.95566824086213 |
1.95566787460892 |
1.95566860711633 |
4.05701227545058 |
3.94881317488493 |
2418256.907389484 |
2.3183393882809 |
161.298666152968 |
13.8560514561709 |
-86.3510546126583 |
4330594.99950177 |
T |
37 |
CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:14 |
2020-Nov-13 04:18 |
| 1980-Jul-01 09:05 |
< 00:01 |
Jupiter |
1.96225688224649 |
1.96225650667074 |
1.96225725782314 |
4.10663295853806 |
4.00013995353698 |
2444421.878800437 |
0.748269837565326 |
201.585764429817 |
15.5161028750228 |
-87.7019523888266 |
4288704.65207564 |
T |
37 |
CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:14 |
2020-Nov-13 04:18 |
| 2134-Jan-24 05:17 |
00:03 |
Jupiter |
1.96457602018806 |
1.9645755845614 |
1.96457645581819 |
4.09515735718076 |
3.98848571457152 |
2500510.720415888 |
2.6582120451497 |
193.546563536153 |
13.344068654269 |
-85.0691671256165 |
4374402.29623191 |
T |
37 |
CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:14 |
2020-Nov-13 04:18 |
|
Alternate Designations
| 1939 SB = 1931 EL = 1933 QO = 1936 DG = 1958 DH1 |
|
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