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6863 (1991 PX8)
Classification: Main-belt Asteroid          SPK-ID: 2006863
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07695912000637757 4.3608e-08  
a 2.296512622995316 1.2281e-08 au
q 2.119775032446058 9.9187e-08 au
i 4.180254647767405 4.6649e-06 deg
node 251.3494235414708 8.7288e-05 deg
peri 166.7995105735901 0.00010123 deg
M 276.4260415525256 5.0591e-05 deg
tp 2457695.600641981538
(2016-Nov-03.10064198)
0.00017932 JED
period 1271.164284746934
3.48
1.0196e-05
2.792e-08
d
yr
n .2832049360729715 2.2717e-09 deg/d
Q 2.473250213544573 1.3226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1202  
   data-arc span      20969 days (57.41 yr)  
   first obs. used      1958-01-12  
   last obs. used      2015-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48443  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:55:21  

Additional Information
 Earth MOID = 1.13115 au 
 Jupiter MOID = 2.75721 au 
 T_jup = 3.587 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a MPO263410  

6863 (1991 PX8)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 PX8 = 1958 AJ = 1991 OM = 1995 TQ2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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