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129365 (4751 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2129365
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029687802666277 4.7455e-08  
a 2.373348707097306 1.221e-08 au
q 1.891633014870388 1.0854e-07 au
i 2.402690772398969 4.9997e-06 deg
node 356.5559339810064 0.00012689 deg
peri 357.3429634942642 0.0001278 deg
M 123.0188493484522 1.6125e-05 deg
tp 2458544.137537522476
(2019-Mar-01.63753752)
5.8058e-05 TDB
period 1335.490352592668
3.66
1.0306e-05
2.822e-08
d
yr
n .2695639090923497 2.0803e-09 deg/d
Q 2.855064399324223 1.4689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      359  
   data-arc span      21670 days (59.33 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:04:03  

Additional Information
 Earth MOID = .886629 au 
 Jupiter MOID = 2.58283 au 
 T_jup = 3.514 
[ 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 16.9   n/a MPO401140  

129365 (4751 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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