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100252 (1994 RY25)
Classification: Main-belt Asteroid          SPK-ID: 2100252
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07491053566423696 5.137e-08  
a 3.088454719178024 3.2168e-08 au
q 2.857096921789657 1.6098e-07 au
i 9.324474131830714 7.885e-06 deg
node 189.7711644627515 2.9746e-05 deg
peri 240.9123408040014 5.6965e-05 deg
M 189.959614487817 4.9638e-05 deg
tp 2459936.896678650723
(2022-Dec-23.39667865)		 0.00027764 TDB
period 1982.486709253596
5.43		 3.0973e-05
8.48e-08		 d
yr
n .1815901202866271 2.837e-09 deg/d
Q 3.31981251656639 3.4577e-08 au
   Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      9005 days (24.65 yr)  
   first obs. used      1994-09-05  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54288  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:58:43  

Additional Information
 Earth MOID = 1.88484 au 
 Jupiter MOID = 1.95604 au 
 T_jup = 3.201 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO432531  

100252 (1994 RY25)          Discovered 1994-Sep-05 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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