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129692 (1998 SR25)
Classification: Main-belt Asteroid          SPK-ID: 2129692
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2295815183413013 3.8835e-08  
a 2.602583619125036 8.7156e-09 au
q 2.005078520236111 9.9455e-08 au
i 5.079438847185036 4.7642e-06 deg
node 72.11146101307844 4.2295e-05 deg
peri 284.1303297108529 4.3616e-05 deg
M 70.86033355712655 8.9586e-06 deg
tp 2458698.639590827762
(2019-Aug-03.13959083)
3.8072e-05 TDB
period 1533.576570231603
4.20
7.7035e-06
2.109e-08
d
yr
n .2347453703897107 1.1792e-09 deg/d
Q 3.200088718013961 1.0717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      852  
   data-arc span      7796 days (21.34 yr)  
   first obs. used      1998-09-22  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49776  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:05:26  

Additional Information
 Earth MOID = 1.00831 au 
 Jupiter MOID = 2.26317 au 
 T_jup = 3.371 
[ 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 15.5   n/a MPO299725  

129692 (1998 SR25)          Discovered 1998-Sep-22 by LONEOS at Anderson Mesa
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1998 SR25 = 2002 PT97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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