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90868 (1996 SX7)
Classification: Main-belt Asteroid          SPK-ID: 2090868
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020691928043194 5.6971e-08  
a 2.629213197465422 2.2142e-08 AU
q 2.360851528689663 1.5288e-07 AU
i 9.938359820191911 1.0057e-05 deg
node 197.9678166631781 3.9434e-05 deg
peri 245.8436045909096 7.394e-05 deg
M 43.61501888525859 5.8006e-05 deg
tp 2456811.843967722037
(2014-Jun-03.34396772)
0.00025105 JED
period 1557.173958785599
4.26
1.9671e-05
5.386e-08
d
yr
n .2311880429086773 2.9204e-09 deg/d
Q 2.897574866241182 2.4402e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      6791 days (18.59 yr)  
   first obs. used      1996-09-18  
   last obs. used      2015-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57063  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 19:07:36  

Additional Information
 Earth MOID = 1.39585 AU 
 T_jup = 3.372 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6 mag n/a MPO320096  

90868 (1996 SX7)          Discovered 1996-Sep-18 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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