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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07718986358414572 4.3688e-08  
a 2.296017488908126 1.2288e-08 AU
q 2.118788212152495 9.9388e-08 AU
i 4.180913204712211 4.6797e-06 deg
node 251.3550859406959 8.7403e-05 deg
peri 166.8680119535802 0.00010129 deg
M 163.0585793800188 5.0233e-05 deg
tp 2456424.924409041495
(2013-May-12.42440904)
0.00017614 JED
period 1270.753207423399
3.48
1.0201e-05
2.793e-08
d
yr
n .2832965503427232 2.2742e-09 deg/d
Q 2.473246765663757 1.3236e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1182  
   data-arc span      20603 days (56.41 yr)  
   first obs. used      1958-01-12  
   last obs. used      2014-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48714  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:35:40  

Additional Information
 Earth MOID = 1.13083 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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