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13950 (1990 RP9)
Classification: Main-belt Asteroid          SPK-ID: 2013950
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1139069167399247 5.0762e-08  
a 2.359714830310708 1.4823e-08 AU
q 2.090926989604541 1.2012e-07 AU
i 5.607803122863082 5.736e-06 deg
node 247.2544706837644 6.4815e-05 deg
peri 45.32932444494365 7.2925e-05 deg
M 286.3202304864101 3.7041e-05 deg
tp 2457271.477647250541
(2015-Sep-05.97764725)
0.00013744 JED
period 1323.99916088502
3.62
1.2475e-05
3.415e-08
d
yr
n .2719034955878369 2.562e-09 deg/d
Q 2.628502671016876 1.6511e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1102  
   data-arc span      15712 days (43.02 yr)  
   first obs. used      1971-05-13  
   last obs. used      2014-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50167  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:53:09  

Additional Information
 Earth MOID = 1.08045 AU 
 T_jup = 3.537 
[ 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 13.7 mag n/a MPO256967  

13950 (1990 RP9)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar (675)
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 RP9 = 1978 EM7 = 1994 UX 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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