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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07491056983322304 4.8972e-08  
a 3.088454714349431 3.006e-08 au
q 2.857096811793411 1.5597e-07 au
i 9.324471227582652 6.7145e-06 deg
node 189.7711563990746 2.9415e-05 deg
peri 240.9123494109585 5.2798e-05 deg
M 189.9596200966967 4.6604e-05 deg
tp 2459936.896645567151
(2022-Dec-23.39664557)
0.00026293 TDB
period 1982.486704604368
5.43
2.8943e-05
7.924e-08
d
yr
n .1815901207124831 2.6511e-09 deg/d
Q 3.319812616905451 3.2311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      9448 days (25.87 yr)  
   first obs. used      1994-09-05  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53222  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:07:11  

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 15.03   n/a E2021B55  

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

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