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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07723393153652926 4.6768e-08  
a 2.296082541604996 1.1761e-08 AU
q 2.118747059784456 1.0595e-07 AU
i 4.180885544600255 4.9378e-06 deg
node 251.3570617505191 8.8841e-05 deg
peri 166.9288996470747 0.00010245 deg
M 106.3269910791619 4.9654e-05 deg
tp 2456425.163590851982
(2013-May-12.66359085)
0.00017467 JED
period 1270.807213877489
3.48
9.764e-06
2.673e-08
d
yr
n .2832845108752313 2.1766e-09 deg/d
Q 2.473418023425537 1.2669e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1168  
   data-arc span      20525 days (56.19 yr)  
   first obs. used      1958-01-12  
   last obs. used      2014-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5067  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:51:27  

Additional Information
 Earth MOID = 1.13009 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 (675)
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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