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186439 (2002 RF217)
Classification: Main-belt Asteroid          SPK-ID: 2186439
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1462341221598735 3.9609e-08  
a 2.227633303232231 1.0711e-08 au
q 1.901877302639966 9.1027e-08 au
i 1.504163960271747 4.6919e-06 deg
node 218.7317197999498 0.00024081 deg
peri 54.06397667859989 0.00024217 deg
M 232.9951081354244 2.8292e-05 deg
tp 2459628.932026537681
(2022-Feb-18.43202654)
9.6625e-05 TDB
period 1214.406211360941
3.32
8.759e-06
2.398e-08
d
yr
n .2964411715224685 2.1381e-09 deg/d
Q 2.553389303824496 1.2278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      333  
   data-arc span      7821 days (21.41 yr)  
   first obs. used      1999-10-20  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61034  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:10  

Additional Information
 Earth MOID = .88426 au 
 Jupiter MOID = 2.537 au 
 T_jup = 3.630 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.35   n/a MPCxxxxx  

186439 (2002 RF217)          Discovered 2002-Sep-14 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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