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19810 Partridge (2000 SP112)
Classification: Main-belt Asteroid          SPK-ID: 2019810
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01105798305550323 4.022e-08  
a 3.080428624899328 2.0339e-08 au
q 3.046365297361504 1.1805e-07 au
i 5.989893904013032 4.8861e-06 deg
node 20.44520440099716 4.2397e-05 deg
peri 83.44161069787971 0.00023652 deg
M 186.8363043137095 0.00023328 deg
tp 2460150.381649531430
(2023-Jul-24.88164953)
0.0012816 TDB
period 1974.763777569271
5.41
1.9558e-05
5.355e-08
d
yr
n .1823002852741823 1.8055e-09 deg/d
Q 3.114491952437152 2.0564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1246  
   data-arc span      8560 days (23.44 yr)  
   first obs. used      1997-03-04  
   last obs. used      2020-08-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55599  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:07:26  

Additional Information
 Earth MOID = 2.07047 au 
 Jupiter MOID = 1.8705 au 
 T_jup = 3.220 
[ 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 13.81   n/a MPCxxxxx  
diameter diameter 9.365 km 0.231 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19810 Partridge           Discovered 2000 Sept. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Mary Partridge mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, a middle school science competition. She teaches at the St. Joseph School, Athens, Georgia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031010/MPCPages.arcLast Updated: 2003-10-10

[ 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
1902-Sep-17 01:21 00:03 Jupiter 1.97240531567181 1.97240454606981 1.97240608527415 3.49897833754101 3.37401492814283 2416009.556129779 3.29014897559912 74.8803320456119 26.3434411483316 -68.6025184073693 3291463.31707583 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:07:31 2021-Apr-13 03:07
1952-Apr-12 13:30 00:02 Jupiter 1.89748619744152 1.89748568673994 1.89748670814309 3.68964934310376 3.56661301945617 2434115.062377236 1.78134697587724 66.9522393144575 21.5736076049281 85.8137330774468 3292665.45319869 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:07:31 2021-Apr-13 03:07
1962-Jan-29 03:50 00:02 Jupiter 1.9669797833153 1.96697929570766 1.96698027092284 3.51524452070167 3.39053127626555 2437693.659409238 1.51506216519231 48.5784612259593 20.7484464986827 -86.5489959497952 3270736.46625695 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:07:31 2021-Apr-13 03:07
2011-Aug-25 16:01 < 00:01 Jupiter 1.90010641898281 1.90010601689308 1.90010682107254 3.68037960160423 3.55719570792344 2455799.167149813 0.208370738588846 51.8259862863422 14.7908095874706 -81.7853232479342 3447292.03785398 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:07:31 2021-Apr-13 03:07
2021-Jun-12 17:37 < 00:01 Jupiter 1.96132313596733 1.96132264198218 1.96132362995237 3.53142639148553 3.40694096637416 2459378.233723469 0.34558542528899 42.6116411009352 19.8892225874403 86.359056779463 3154636.15434748 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:07:31 2021-Apr-13 03:07
2071-Jan-07 11:16 00:02 Jupiter 1.90312462225353 1.90312415322617 1.9031250912809 3.66981014803914 3.54645847944457 2477483.969587989 1.78017911061919 65.0120479001306 19.9924844751163 88.0054869951922 3399059.73319281 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:07:31 2021-Apr-13 03:07
2080-Oct-25 22:05 00:02 Jupiter 1.95516806825637 1.95516729374643 1.95516884276652 3.54683622812153 3.42251406469337 2481063.419929881 2.0641029826839 65.62627020807 27.4742892119979 -68.8079040709721 3152072.09781068 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:07:31 2021-Apr-13 03:07
2130-May-24 02:50 00:04 Jupiter 1.90653158134182 1.90653088190209 1.90653228078198 3.65771523462719 3.53416646939441 2499169.618174219 3.54901906018388 89.5426095532761 25.5319686990248 76.8910257238157 3300477.11511843 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:07:31 2021-Apr-13 03:07
2140-Mar-11 19:42 00:04 Jupiter 1.94850665162764 1.948505520282 1.94850778297438 3.56148276594072 3.43725946739048 2502749.320737953 3.83294421448802 106.473319636178 28.1437029297715 -63.9309899899947 3198370.04193552 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:07:31 2021-Apr-13 03:07
2189-Oct-07 15:51 00:05 Jupiter 1.91037158533583 1.91037056977813 1.91037260089473 3.64413757661861 3.52036597924914 2520856.160723336 5.32807766062882 114.231111534948 29.1387893029778 69.7895436562106 3222781.18275555 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:07:31 2021-Apr-13 03:07
2199-Jul-27 11:50 00:06 Jupiter 1.94133583108093 1.94133433395787 1.94133732820697 3.5751295404457 3.45093219412281 2524435.992928318 5.60353200928817 154.557637336476 27.7584305847973 -64.299438476064 3230714.32811158 T 27 CATAB v2.0f-lin.ifort 2021-Apr-13 03:07:31 2021-Apr-13 03:07

Alternate Designations
 2000 SP112 = 1997 EC33 = 1998 HV153 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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