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JPL Small-Body Database Browser
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48465 (1991 RS20)
Classification: Main-belt Asteroid          SPK-ID: 2048465
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 .09701297126924371 3.6266e-08  
a 2.933545867581327 1.742e-08 au
q 2.648953866612651 1.0562e-07 au
i 3.101439326175654 5.2294e-06 deg
node 52.1089090519878 0.00011631 deg
peri 22.16672520087829 0.00012198 deg
M 187.7287476336368 3.6782e-05 deg
tp 2459878.709360129870
(2022-Oct-26.20936013)
0.00018972 TDB
period 1835.218385563232
5.02
1.6346e-05
4.475e-08
d
yr
n .1961619406343924 1.7472e-09 deg/d
Q 3.218137868550003 1.9109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1443  
   data-arc span      10102 days (27.66 yr)  
   first obs. used      1991-09-13  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48635  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:38:44  

Additional Information
 Earth MOID = 1.66418 au 
 Jupiter MOID = 2.00917 au 
 T_jup = 3.266 
[ 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 13.1   n/a MPO385126  

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

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