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JPL Small-Body Database Browser
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3913 Chemin (1986 XO2)
Classification: Main-belt Asteroid          SPK-ID: 2003913
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2238918810839724 3.6336e-08  
a 2.358907309316124 7.9681e-09 au
q 1.830767114530605 8.5886e-08 au
i 23.86790601680206 4.5355e-06 deg
node 155.7441601442629 8.755e-06 deg
peri 44.24544265260747 1.226e-05 deg
M 32.99205684254417 9.1592e-06 deg
tp 2458879.224902598259
(2020-Jan-30.72490260)
3.3493e-05 TDB
period 1323.319587893271
3.62
6.705e-06
1.836e-08
d
yr
n .2720431279741888 1.3784e-09 deg/d
Q 2.887047504101643 9.7521e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2131  
   data-arc span      12202 days (33.41 yr)  
   first obs. used      1986-12-02  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41423  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:00:58  

Additional Information
 Earth MOID = .884889 au 
 Jupiter MOID = 2.19219 au 
 T_jup = 3.406 
[ 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 12.9   n/a MPO502190  
diameter diameter 6.442 km 1.369 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 3.4077 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Higgins, D.; Goncalves, R.M.D. (2007) Minor Planet Bull. 34, 16-18.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2009) http://www.asu.cas.cz/~ppravec/neo.htm]
[Chirony, V.; Galad, A.; Pravec, P. Kusnirak, P.; et al. (2011) Planet. Space Sci. 59, 1482-1489.]
[Klinglesmith III, D.A.; Hendrickx, S.; Madden, K.; Montgomery, S. (2016) Minor Planet Bull. 43, 234-239.]
geometric albedo albedo 0.322   0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

3913 Chemin (1986 XO2)          Discovered 1986-Dec-02 by at Caussols
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1986 XO2 = 1969 EW1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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