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213639 (2002 RF38)
Classification: Main-belt Asteroid          SPK-ID: 2213639
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2368243321644556 5.9018e-08  
a 2.488282674343257 1.115e-08 au
q 1.898996791755529 1.433e-07 au
i 2.510125926887216 5.3466e-06 deg
node 68.36893736061329 0.00011681 deg
peri 283.4750985837038 0.00011747 deg
M 225.51701643076 1.3919e-05 deg
tp 2459736.065798676051
(2022-Jun-05.56579868)
5.8016e-05 TDB
period 1433.666047601565
3.93
9.6366e-06
2.638e-08
d
yr
n .2511045027551973 1.6878e-09 deg/d
Q 3.077568556930985 1.3791e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      6843 days (18.74 yr)  
   first obs. used      2002-07-23  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53715  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:39:31  

Additional Information
 Earth MOID = .893706 au 
 Jupiter MOID = 2.36131 au 
 T_jup = 3.434 
[ 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 16.9   n/a MPO454533  

213639 (2002 RF38)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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