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48465 (1991 RS20)
Classification: Main-belt Asteroid          SPK-ID: 2048465
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09942753607118303 6.4516e-08  
a 2.929899161342221 3.5136e-08 AU
q 2.638586506792938 1.8096e-07 AU
i 3.104528615220571 8.2622e-06 deg
node 52.12921914166027 0.00016598 deg
peri 22.21246049700352 0.00017368 deg
M 115.5687233734623 5.1374e-05 deg
tp 2456212.448648871380
(2012-Oct-11.94864887)
0.00026018 JED
period 1831.797394890275
5.02
3.2951e-05
9.021e-08
d
yr
n .1965282847350943 3.5352e-09 deg/d
Q 3.221211815891504 3.8629e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      849  
   data-arc span      8265 days (22.63 yr)  
   first obs. used      1991-09-13  
   last obs. used      2014-04-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50683  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:59:08  

Additional Information
 Earth MOID = 1.65293 AU 
 T_jup = 3.267 
[ 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 13.0 mag n/a MPO263742  

48465 (1991 RS20)          Discovered 1991-Sep-14 by Holt, H. E. at Palomar (675)
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RS20 = 1999 FP26 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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