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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2264564716893613 7.0094e-08  
a 3.088205456712582 2.9728e-08 au
q 2.388861345133618 2.1617e-07 au
i 5.168175338343091 7.4443e-06 deg
node 296.8367844810791 7.5558e-05 deg
peri 74.99115471780237 7.7073e-05 deg
M 245.383892988846 1.8463e-05 deg
tp 2458231.603892023629
(2018-Apr-23.10389202)
0.00010754 JED
period 1982.246710808249
5.43
2.8623e-05
7.837e-08
d
yr
n .1816121061203386 2.6224e-09 deg/d
Q 3.787549568291547 3.646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      23244 days (63.64 yr)  
   first obs. used      1952-08-28  
   last obs. used      2016-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52961  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:04:12  

Additional Information
 Earth MOID = 1.39418 au 
 Jupiter MOID = 1.74042 au 
 T_jup = 3.180 
[ 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. 2016-February); 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. (2016) 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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