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49673 (1999 RA215)
Classification: TransNeptunian Object          SPK-ID: 2049673
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1047802265175769 3.2689e-05  
a 43.37097768935828 0.0041011 au
q 38.82655682277855 0.0025561 au
i 22.4732098972286 0.00016964 deg
node 132.2237235010212 0.00019673 deg
peri 266.7216931193907 0.035231 deg
M 314.1988221539117 0.033064 deg
tp 2472273.570198267753
(2056-Oct-02.07019827)
7.7101 TDB
period 104327.1264209308
285.63
14.798
0.04051
d
yr
n .003450684518497141 4.8944e-07 deg/d
Q 47.91539855593803 0.0045308 au
  Orbit Determination Parameters
   # obs. used (total)      40  
   data-arc span      6958 days (19.05 yr)  
   first obs. used      1999-07-20  
   last obs. used      2018-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .46759  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:31:26  

Additional Information
 Earth MOID = 37.9114 au 
 Jupiter MOID = 34.2353 au 
 T_jup = 5.426 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.7   n/a MPO284508  

49673 (1999 RA215)          Discovered 1999-Sep-13 by Davis, D., Gladman, B., Meese, C. at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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