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9036 (1990 SJ16)
Classification: Main-belt Asteroid          SPK-ID: 2009036
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2248022522652812 7.3006e-08  
a 3.092428932372208 3.0641e-08 AU
q 2.397243943404617 2.2409e-07 AU
i 5.169714108860914 7.8013e-06 deg
node 296.9066961494332 7.6215e-05 deg
peri 75.01490916867238 7.7904e-05 deg
M 136.3617726669285 1.79e-05 deg
tp 2456248.118417153992
(2012-Nov-16.61841715)
9.3858e-05 JED
period 1986.314525890975
5.44
2.9522e-05
8.083e-08
d
yr
n .1812401788878423 2.6937e-09 deg/d
Q 3.787613921339799 3.753e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      22881 days (62.64 yr)  
   first obs. used      1952-08-28  
   last obs. used      2015-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52691  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:03:58  

Additional Information
 Earth MOID = 1.40376 AU 
 T_jup = 3.179 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO337333  
rotation period rot_per 2.5684 h n/a LCDB (Rev. 2015-July); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) arXiv:1506.08493.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J., in press.]

9036 (1990 SJ16)          Discovered 1990-Sep-17 by Holt, H. E. at Palomar
Reference: 19980808/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 SJ16 = 1952 QH = 1974 SC3 = 1990 RA17 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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