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JPL Small-Body Database Browser
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1002 Olbersia (A923 PJ)
Classification: Main-belt Asteroid          SPK-ID: 2001002
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .154774857763029 4.3664e-08  
a 2.785568625931842 1.1088e-08 au
q 2.354432638064085 1.2249e-07 au
i 10.76965535403742 4.8554e-06 deg
node 343.7420533368149 2.2072e-05 deg
peri 355.390693656195 2.5847e-05 deg
M 191.8838890661985 1.4535e-05 deg
tp 2459393.505235145700
(2021-Jun-28.00523515)
7.0486e-05 TDB
period 1698.123297444498
4.65
1.0139e-05
2.776e-08
d
yr
n .2119987403398583 1.2658e-09 deg/d
Q 3.216704613799599 1.2804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2284  
   data-arc span      30772 days (84.25 yr)  
   first obs. used      1935-02-08  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44212  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:17:28  

Additional Information
 Earth MOID = 1.34506 au 
 Jupiter MOID = 2.17645 au 
 T_jup = 3.288 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.9   n/a MPO337251  
diameter diameter 22.938 km 0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 10.244 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
geometric albedo albedo 0.147   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1002 Olbersia (A923 PJ)          Discovered 1923-Aug-15 by Albitzkij, V. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A923 PJ = 1956 UR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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