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268039 (2004 PD91)
Classification: Main-belt Asteroid          SPK-ID: 2268039
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1246965823666819 4.898e-08  
a 2.583103115169266 2.3558e-08 au
q 2.26099898480693 1.2559e-07 au
i 6.463193894029367 6.2671e-06 deg
node 305.0658784938836 4.2819e-05 deg
peri 325.2456241266892 5.0517e-05 deg
M 342.7671347198887 3.1098e-05 deg
tp 2459073.088201099505
(2020-Aug-11.58820110)
0.00013153 TDB
period 1516.390453419309
4.15
2.0745e-05
5.68e-08
d
yr
n .2374058733937793 3.2478e-09 deg/d
Q 2.905207245531603 2.6496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      9646 days (26.41 yr)  
   first obs. used      1994-01-17  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:58:11  

Additional Information
 Earth MOID = 1.24828 au 
 Jupiter MOID = 2.21664 au 
 T_jup = 3.404 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO433740  

268039 (2004 PD91)          Discovered 2004-Aug-11 by LINEAR at Socorro
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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