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129842 (1999 RT25)
Classification: Main-belt Asteroid          SPK-ID: 2129842
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .263953598139875 4.9149e-08  
a 2.584129466182527 2.1194e-08 au
q 1.902039195524375 1.3081e-07 au
i 4.352116692217749 8.2969e-06 deg
node 199.4024219648781 0.00010399 deg
peri 134.3254605655397 0.00010751 deg
M 9.636586963477551 3.1553e-05 deg
tp 2458959.884615085617
(2020-Apr-20.38461509)
0.00013256 TDB
period 1517.294310173623
4.15
1.8666e-05
5.11e-08
d
yr
n .2372644500056192 2.9189e-09 deg/d
Q 3.266219736840679 2.6788e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      7186 days (19.67 yr)  
   first obs. used      1999-09-05  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60945  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:06:58  

Additional Information
 Earth MOID = .895302 au 
 Jupiter MOID = 2.14204 au 
 T_jup = 3.369 
[ 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 16.6   n/a MPO432777  

129842 (1999 RT25)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1999 RT25 = 2003 QQ76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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