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8510 (1991 PT8)
Classification: Main-belt Asteroid          SPK-ID: 2008510
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220940710666171 7.4734e-08  
a 2.982422253438061 3.8291e-08 AU
q 2.618286178876134 2.3123e-07 AU
i 11.80502096568344 1.0497e-05 deg
node 154.6521146437609 4.2742e-05 deg
peri 281.3979050057178 6.6369e-05 deg
M 43.73713083924896 4.7055e-05 deg
tp 2456571.940165578512
(2013-Oct-06.44016558)
0.00024517 JED
period 1881.274304301134
5.15
3.623e-05
9.919e-08
d
yr
n .1913596540264949 3.6853e-09 deg/d
Q 3.346558327999988 4.2966e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      646  
   data-arc span      8220 days (22.51 yr)  
   first obs. used      1991-08-05  
   last obs. used      2014-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55814  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:09:08  

Additional Information
 Earth MOID = 1.6645 AU 
 T_jup = 3.216 
[ 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 13.5 mag n/a MPO279605  

8510 (1991 PT8)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar (675)
Reference: 19980313/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PT8 = 1992 WV8 = 1994 EA9 = 1995 OD10 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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