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8510 (1991 PT8)
Classification: Main-belt Asteroid          SPK-ID: 2008510
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1216200297979161 3.657e-08  
a 2.979453937031471 1.5179e-08 au
q 2.617092660428185 1.0887e-07 au
i 11.8113631377505 4.9201e-06 deg
node 154.6356190099525 2.0274e-05 deg
peri 280.2922992681867 2.9194e-05 deg
M 106.3200918964918 2.021e-05 deg
tp 2458445.725765660578
(2018-Nov-23.22576566)
0.0001048 TDB
period 1878.466438466106
5.14
1.4355e-05
3.93e-08
d
yr
n .1916456917345642 1.4645e-09 deg/d
Q 3.341815213634758 1.7025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1520  
   data-arc span      10571 days (28.94 yr)  
   first obs. used      1991-08-05  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52128  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:20:20  

Additional Information
 Earth MOID = 1.66426 au 
 Jupiter MOID = 1.96235 au 
 T_jup = 3.217 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6   n/a MPO384832  
diameter diameter 7.647 km 0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.132   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1914-Feb-05 10:12 00:02 Jupiter 1.98682205891601 1.9868216041514 1.9868225136813 3.64809999217443 3.52930489100875 2420168.924840256 2.33249159528744 154.624389383158 18.8917268851972 -84.0539911782776 2490160.71051227 T 26 CATAB v2.0f-lin.ifort 2020-Nov-13 03:20:24 2020-Nov-13 03:20
1950-Jul-22 07:32 00:01 Jupiter 1.99073516447432 1.99073465661415 1.99073567233539 4.45562380361438 4.35908464477116 2433484.813764879 1.42053715646695 128.036594365773 18.6360538100557 84.3813257974982 3200608.84917617 T 26 CATAB v2.0f-lin.ifort 2020-Nov-13 03:20:24 2020-Nov-13 03:20
2032-Jun-18 15:20 < 00:01 Jupiter 1.99410417922067 1.99410372275208 1.99410463568938 3.41364702511832 3.28686159843671 2463402.138867712 0.471807364460166 65.7050161048063 19.4249005426849 -85.3173615043129 3109568.74309252 T 26 CATAB v2.0f-lin.ifort 2020-Nov-13 03:20:24 2020-Nov-13 03:20
2068-Dec-06 07:38 00:01 Jupiter 1.96443773569291 1.9644373142937 1.96443815709212 4.22130513226883 4.11789519471044 2476721.818145943 1.21869317297994 110.58896750941 18.6144171029809 89.2350584684675 3082211.58600819 T 26 CATAB v2.0f-lin.ifort 2020-Nov-13 03:20:24 2020-Nov-13 03:20
2187-Apr-23 22:08 00:04 Jupiter 1.94796446029649 1.94796403912788 1.94796488146621 4.00213435349623 3.89197000814196 2519958.422356277 3.86867159642051 307.886342391589 18.192056945537 -87.5959681950386 2863837.27085103 T 26 CATAB v2.0f-lin.ifort 2020-Nov-13 03:20:24 2020-Nov-13 03:20

Alternate Designations
 1991 PT8 = 1992 WV8 = 1994 EA9 = 1995 OD10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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