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146995 (2002 PU81)
Classification: Main-belt Asteroid          SPK-ID: 2146995
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1613556547596941 5.9854e-08  
a 2.200393216109274 9.8441e-09 au
q 1.845347327995173 1.3242e-07 au
i 2.984447005804852 5.6962e-06 deg
node 305.8702525096945 8.4455e-05 deg
peri 17.50485092016424 8.5501e-05 deg
M 164.9977593010952 1.4575e-05 deg
tp 2458454.082728224479
(2018-Dec-01.58272822)
4.6473e-05 TDB
period 1192.199328478286
3.26
8.0005e-06
2.19e-08
d
yr
n .3019629280109571 2.0264e-09 deg/d
Q 2.555439104223375 1.1432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      7389 days (20.23 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55045  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 19:27:08  

Additional Information
 Earth MOID = .833201 au 
 Jupiter MOID = 2.74513 au 
 T_jup = 3.647 
[ 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 16.8   n/a MPO453935  

146995 (2002 PU81)          Discovered 2002-Aug-09 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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