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146999 (2002 PL99)
Classification: Main-belt Asteroid          SPK-ID: 2146999
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1809833432632678 5.6882e-08  
a 2.290183588807531 1.0437e-08 au
q 1.875698506218475 1.3486e-07 au
i 6.306260899896827 5.8738e-06 deg
node 96.1989087637612 4.1216e-05 deg
peri 213.1020491347166 4.4299e-05 deg
M 61.37599188249206 1.5732e-05 deg
tp 2458784.675920561225
(2019-Oct-28.17592056)
5.5097e-05 TDB
period 1265.913042134032
3.47
8.6539e-06
2.369e-08
d
yr
n .2843797227913259 1.9441e-09 deg/d
Q 2.704668671396588 1.2326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      6218 days (17.02 yr)  
   first obs. used      2002-08-11  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55754  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:41:00  

Additional Information
 Earth MOID = .86452 au 
 Jupiter MOID = 2.5475 au 
 T_jup = 3.569 
[ 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 MPO280761  

146999 (2002 PL99)          Discovered 2002-Aug-14 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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