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85712 (1998 SA45)
Classification: Main-belt Asteroid          SPK-ID: 2085712
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09843816753086843 4.3039e-08  
a 2.283437510636633 8.14e-09 au
q 2.058660106418315 1.0007e-07 au
i 1.209902093062651 5.1937e-06 deg
node 18.90656251374893 0.00016892 deg
peri 199.6471831368346 0.00017032 deg
M 356.4458585372233 2.2657e-05 deg
tp 2459408.942691467816
(2021-Jul-13.44269147)
7.9338e-05 TDB
period 1260.323759008264
3.45
6.7392e-06
1.845e-08
d
yr
n .2856408898323716 1.5274e-09 deg/d
Q 2.508214914854952 8.9413e-09 au
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      22166 days (60.69 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-06-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:26:49  

Additional Information
 Earth MOID = 1.05147 au 
 Jupiter MOID = 2.45812 au 
 T_jup = 3.597 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.42   n/a MPO637176  

85712 (1998 SA45)          Discovered 1998-Sep-25 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 SA45 = 1998 UV46 = 2000 AY59 = 2002 XG114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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