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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0994275648141547 6.5443e-08  
a 2.92989912863445 3.5891e-08 AU
q 2.638586393123213 1.8417e-07 AU
i 3.104527746176507 8.6201e-06 deg
node 52.12925045664382 0.0001817 deg
peri 22.21243615299876 0.00018993 deg
M 115.5687304654483 5.5659e-05 deg
tp 2456212.448622632063
(2012-Oct-11.94862263)
0.00028212 JED
period 1831.797364216518
5.02
3.3659e-05
9.215e-08
d
yr
n .1965282880259937 3.6111e-09 deg/d
Q 3.221211864145687 3.9459e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      831  
   data-arc span      8243 days (22.57 yr)  
   first obs. used      1991-09-13  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52137  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:51:43  

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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