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85679 (1998 RA15)
Classification: Main-belt Asteroid          SPK-ID: 2085679
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345756432989905 5.2522e-08  
a 3.101353488707025 2.3194e-08 au
q 2.683986847866708 1.6579e-07 au
i 1.291768020308643 4.9445e-06 deg
node 328.3661476022303 0.000264 deg
peri 27.08546199010665 0.00026468 deg
M 332.8198729015232 2.098e-05 deg
tp 2459151.117111136681
(2020-Oct-28.61711114)
0.00011699 TDB
period 1994.919295732199
5.46
2.2379e-05
6.127e-08
d
yr
n .1804584279525296 2.0244e-09 deg/d
Q 3.518720129547341 2.6316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      635  
   data-arc span      10356 days (28.35 yr)  
   first obs. used      1991-04-13  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55139  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:36:54  

Additional Information
 Earth MOID = 1.67944 au 
 Jupiter MOID = 1.92087 au 
 T_jup = 3.207 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO436374  

85679 (1998 RA15)          Discovered 1998-Sep-15 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 RA15 = 1993 SP10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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