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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 ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2261569088568547 7.332e-08  
a 3.088828220840217 3.0137e-08 au
q 2.390268378425175 2.2516e-07 au
i 5.167792760233395 7.7988e-06 deg
node 296.8523378373189 7.6337e-05 deg
peri 74.96686975671834 7.7995e-05 deg
M 209.0554448478392 1.836e-05 deg
tp 2458231.888499642464
(2018-Apr-23.38849964)
0.00010845 JED
period 1982.846347584883
5.43
2.9019e-05
7.945e-08
d
yr
n .1815571844174824 2.6571e-09 deg/d
Q 3.787388063255259 3.6952e-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 = 1.39504 au 
 Jupiter MOID = 1.74097 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-December); 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) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

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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