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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09926710026035143 6.4486e-08  
a 2.930323180740169 3.5047e-08 AU
q 2.639438495762402 1.8086e-07 AU
i 3.104290195721875 8.2589e-06 deg
node 52.13032723984908 0.00016592 deg
peri 22.24484211925016 0.00017364 deg
M 154.8437135736437 5.1563e-05 deg
tp 2456212.433647006591
(2012-Oct-11.93364701)
0.00026067 JED
period 1832.195059973795
5.02
3.287e-05
8.999e-08
d
yr
n .1964856296496885 3.525e-09 deg/d
Q 3.221207865717935 3.8526e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      875  
   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      .49634  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 16:27:41  

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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