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187902 (2000 SJ339)
Classification: Main-belt Asteroid          SPK-ID: 2187902
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2797762502670557 4.0339e-08  
a 2.76730811125786 1.4042e-08 au
q 1.993081024556527 1.12e-07 au
i 14.70574123721758 5.9045e-06 deg
node 124.0194149763071 1.7239e-05 deg
peri 269.1344081724499 2.0753e-05 deg
M 141.4250589059674 1.362e-05 deg
tp 2458539.945632383075
(2019-Feb-25.44563238)
6.0898e-05 TDB
period 1681.452878164996
4.60
1.2798e-05
3.504e-08
d
yr
n .2141005583176826 1.6296e-09 deg/d
Q 3.541535197959192 1.7971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      916  
   data-arc span      7414 days (20.30 yr)  
   first obs. used      2000-09-25  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49794  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:52:02  

Additional Information
 Earth MOID = 1.06107 au 
 Jupiter MOID = 2.16045 au 
 T_jup = 3.235 
[ 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 15.08   n/a E2021B55  
diameter diameter 7.553 km 2.428 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 10.9103 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.040   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

187902 (2000 SJ339)          Discovered 2000-Sep-25 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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