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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09926710218529046 6.4436e-08  
a 2.930323181841779 3.5018e-08 AU
q 2.639438491113966 1.8076e-07 AU
i 3.104290455287478 8.2512e-06 deg
node 52.13032085173166 0.0001657 deg
peri 22.24484626980768 0.00017341 deg
M 154.8437153783425 5.1509e-05 deg
tp 2456212.433637377309
(2012-Oct-11.93363738)
0.00026037 JED
period 1832.195061006974
5.02
3.2842e-05
8.992e-08
d
yr
n .1964856295388898 3.522e-09 deg/d
Q 3.221207872569592 3.8494e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      8673 days (23.75 yr)  
   first obs. used      1991-09-13  
   last obs. used      2015-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49621  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:16:13  

Additional Information
 Earth MOID = 1.6543 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
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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