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13965 (1991 PL8)
Classification: Main-belt Asteroid          SPK-ID: 2013965
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1564205187230323 3.3263e-08  
a 3.097335434657511 1.7753e-08 au
q 2.612848619309154 1.0022e-07 au
i 1.398076981927043 4.4901e-06 deg
node 31.03678883951014 0.00015333 deg
peri 256.3046049328224 0.000154 deg
M 128.4609653393541 1.492e-05 deg
tp 2458290.023906809188
(2018-Jun-20.52390681)
8.1149e-05 TDB
period 1991.043682982012
5.45
1.7118e-05
4.687e-08
d
yr
n .1808096944718075 1.5545e-09 deg/d
Q 3.581822250005868 2.053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1310  
   data-arc span      10671 days (29.22 yr)  
   first obs. used      1991-08-05  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54053  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:42:58  

Additional Information
 Earth MOID = 1.59693 au 
 Jupiter MOID = 1.58878 au 
 T_jup = 3.204 
[ 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 14.1   n/a MPO378710  
diameter diameter 7.835 km 0.492 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13965 (1991 PL8)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar
Reference: 20000320/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
1906-Feb-03 03:39 00:03 Jupiter 1.61204961883651 1.61204900959674 1.61205022807527 1.65342885524422 1.29729060133556 2417244.652131769 3.09756660847484 118.277217624066 60.5953834961592 22.2278646570199 1316782.35928781 T 30 CATAB v2.0f-lin.ifort 2020-Nov-13 02:43:01 2020-Nov-13 02:43
1966-Sep-26 02:00 00:01 Jupiter 1.65404317959869 1.65404256030583 1.6540437988907 1.54513018989556 1.16757998377326 2439394.583148883 1.344419249686 89.6842700850668 67.2414810774212 -27.0323756602882 1787562.85065477 T 30 CATAB v2.0f-lin.ifort 2020-Nov-13 02:43:01 2020-Nov-13 02:43
1976-Aug-01 05:37 00:01 Jupiter 1.73968564004878 1.73968509472268 1.73968618537488 2.33485838868466 2.11608096955811 2442991.734216027 1.06402419550506 58.4020648256875 4.19663386413082 -88.1576267381429 2369869.98313541 T 30 CATAB v2.0f-lin.ifort 2020-Nov-13 02:43:01 2020-Nov-13 02:43
2027-May-10 12:03 < 00:01 Jupiter 1.95206993389865 1.95206951385136 1.95207035394582 2.46920326124832 2.28673236261522 2461536.002328291 0.424298148968586 48.118991481173 8.91614238468136 -89.3006891283054 3047806.52657724 T 30 CATAB v2.0f-lin.ifort 2020-Nov-13 02:43:01 2020-Nov-13 02:43
2037-Mar-28 16:41 < 00:01 Jupiter 1.5940607530508 1.59406040746264 1.59406109863851 1.45992973163185 1.03376584271663 2465146.194808327 0.716846141797888 119.295128743771 76.0561748286262 -20.5738861118983 2297863.59421313 T 30 CATAB v2.0f-lin.ifort 2020-Nov-13 02:43:01 2020-Nov-13 02:43
2047-Feb-04 14:49 < 00:01 Jupiter 1.92315846729763 1.9231578036141 1.92315913098138 3.3520767018978 3.218004373882 2468746.117628620 0.953484867269403 56.2123106243218 16.013588154105 -71.0668416780033 2767166.15655404 T 30 CATAB v2.0f-lin.ifort 2020-Nov-13 02:43:01 2020-Nov-13 02:43
2097-Nov-16 05:05 00:02 Jupiter 1.7631297248725 1.76312872881511 1.76313072092908 1.83379016510779 1.54982881603372 2487293.712037207 2.40510038583016 74.3137240002462 27.2731427436648 83.7782548919613 1474726.36539158 T 30 CATAB v2.0f-lin.ifort 2020-Nov-13 02:43:01 2020-Nov-13 02:43
2107-Sep-27 09:48 00:03 Jupiter 1.64963893063487 1.6496379974679 1.64963986380044 1.81343444205281 1.503870272509 2490894.908646127 2.76731673027893 94.8263263305177 44.4300981004806 40.7913944955632 1200034.35497076 T 30 CATAB v2.0f-lin.ifort 2020-Nov-13 02:43:01 2020-Nov-13 02:43
2168-May-19 00:33 00:04 Jupiter 1.63229599877232 1.63229512909988 1.63229686844439 1.48642358925369 1.08241652367254 2513044.522933166 4.42138022705218 132.029635733925 99.3111260877969 61.2077009411191 1758123.8141824 T 30 CATAB v2.0f-lin.ifort 2020-Nov-13 02:43:01 2020-Nov-13 02:43
2178-Mar-26 21:12 00:05 Jupiter 1.7953595790219 1.79535740871848 1.79536174932859 2.6021764831221 2.41407410607782 2516643.383092342 4.71542712594533 183.709057793701 7.84872047304444 -79.4191010020254 2028291.59975786 T 30 CATAB v2.0f-lin.ifort 2020-Nov-13 02:43:01 2020-Nov-13 02:43

Alternate Designations
 1991 PL8 = 1991 RZ38 = 1995 DN8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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