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101969 (1999 RJ45)
Classification: Mars-crossing Asteroid          SPK-ID: 2101969
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4409198426743109 9.5731e-08  
a 2.867199610183228 4.2137e-08 AU
q 1.602994409145394 2.7816e-07 AU
i 15.21811318097206 8.0867e-06 deg
node 126.2695152389422 4.4276e-05 deg
peri 241.7182986283409 4.7658e-05 deg
M 48.97234797562906 3.1817e-05 deg
tp 2456759.268650576286
(2014-Apr-11.76865058)
0.00015157 JED
period 1773.312683225934
4.86
3.9092e-05
1.07e-07
d
yr
n .2030098828059491 4.4752e-09 deg/d
Q 4.131404811221063 6.0716e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      10523 days (28.81 yr)  
   first obs. used      1984-08-26  
   last obs. used      2013-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5722  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 20:28:06  

Additional Information
 Earth MOID = .661304 AU 
 T_jup = 3.101 
[ 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 14.7 mag n/a MPO264062  

101969 (1999 RJ45)          Discovered 1999-Sep-13 by McNaught, R. H. at Siding Spring (413)
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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