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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1216278522238965 3.649e-08  
a 2.978943536476411 1.4702e-08 au
q 2.616621032238526 1.0872e-07 au
i 11.81176468603354 4.4781e-06 deg
node 154.6379395991396 2.0102e-05 deg
peri 280.1321229998551 2.7507e-05 deg
M 182.4141669585308 1.8601e-05 deg
tp 2460322.898088641910
(2024-Jan-13.39808864)
9.9112e-05 TDB
period 1877.98376818273
5.14
1.3903e-05
3.806e-08
d
yr
n .1916949475811293 1.4191e-09 deg/d
Q 3.341266040714295 1.649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1635  
   data-arc span      10918 days (29.89 yr)  
   first obs. used      1991-08-05  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51203  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 15:48:17  

Additional Information
 Earth MOID = 1.66369 au 
 Jupiter MOID = 1.96347 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 13.64   n/a E2021B10  
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 1.98682207726952 1.98682165668224 1.98682249785736 3.64810093557406 3.529305867946 2420168.924922454 2.28901242271824 151.045351697473 17.6991244575344 -84.1465394775715 2708690.89243028 T 29 CATAB v2.0g-lin.ifort 2021-Jul-08 15:48:31 2021-Jul-08 15:48
1950-Jul-22 07:32 00:01 Jupiter 1.99073515157714 1.9907346722975 1.99073563085791 4.45562458518047 4.35908544355318 2433484.813803996 1.39698908546471 125.955166730302 16.8930176199871 84.2264824371476 3529030.36366456 T 29 CATAB v2.0g-lin.ifort 2021-Jul-08 15:48:31 2021-Jul-08 15:48
2032-Jun-18 15:20 < 00:01 Jupiter 1.99410425927244 1.99410382449345 1.99410469405144 3.41364762028145 3.28686222245907 2463402.138858274 0.441068665797954 59.427000161706 18.9890501840915 -85.2330963961483 3367458.02226677 T 29 CATAB v2.0g-lin.ifort 2021-Jul-08 15:48:31 2021-Jul-08 15:48
2068-Dec-06 07:38 00:01 Jupiter 1.96443771568705 1.96443733644777 1.96443809492633 4.22130566988255 4.11789574533699 2476721.818037924 1.1754879512137 105.396726209476 16.9694851582483 -89.9739501621315 3423816.50976996 T 29 CATAB v2.0g-lin.ifort 2021-Jul-08 15:48:31 2021-Jul-08 15:48
2187-Apr-23 22:08 00:04 Jupiter 1.94796443955909 1.94796404737379 1.94796483174595 4.00213523135133 3.89197091027304 2519958.422496493 3.76224165695126 298.128152480065 16.7173046563302 -87.3932616785386 3159863.92438261 T 29 CATAB v2.0g-lin.ifort 2021-Jul-08 15:48:31 2021-Jul-08 15:48

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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