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JPL Small-Body Database Browser
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72902 (2001 KE71)
Classification: Main-belt Asteroid          SPK-ID: 2072902
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .190421176597019 7.0316e-08  
a 2.977550641150462 2.0672e-08 au
q 2.410561944685382 2.1261e-07 au
i 11.06251473048174 5.07e-06 deg
node 59.28638277020813 2.5975e-05 deg
peri 312.5310933289699 2.8219e-05 deg
M 118.8875709991464 1.0556e-05 deg
tp 2458380.743464857864
(2018-Sep-19.24346486)
5.4613e-05 TDB
period 1876.666759831192
5.14
1.9543e-05
5.351e-08
d
yr
n .1918294753791997 1.9977e-09 deg/d
Q 3.544539337615541 2.4608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      859  
   data-arc span      11796 days (32.30 yr)  
   first obs. used      1987-09-19  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53835  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 11:37:07  

Additional Information
 Earth MOID = 1.42798 au 
 Jupiter MOID = 1.96994 au 
 T_jup = 3.205 
[ 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 14.4   n/a MPO468673  
diameter diameter 5.001 km 2.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.148   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72902 (2001 KE71)          Discovered 2001-May-24 by LONEOS at Anderson Mesa
Reference: 20031109/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
1933-Nov-15 01:42 00:03 Jupiter 1.99421971886213 1.99421895283327 1.99422048490607 2.43620860550179 2.25513519416549 2427391.570745541 2.61823402373216 445.962383636249 21.3161589805065 84.5196784461472 1644354.47017959 T 27 CATAB v2.0f-lin.ifort 2020-Jan-29 11:37:22 2020-Jan-29 11:37
1970-Mar-14 06:24 00:01 Jupiter 1.97383668656471 1.97383611372677 1.97383725940534 2.94366176840712 2.79408209634463 2440659.767008003 1.41339098253853 227.293183485603 15.7917225810053 85.0493656982298 2075633.53580482 T 27 CATAB v2.0f-lin.ifort 2020-Jan-29 11:37:22 2020-Jan-29 11:37
2088-Jan-05 13:07 00:02 Jupiter 1.99924314892633 1.99924235768928 1.99924394017839 2.47972935900702 2.30254522687774 2483691.046437029 2.3194598043842 428.296732988459 21.9709143821792 84.444440456094 1674888.03803499 T 27 CATAB v2.0f-lin.ifort 2020-Jan-29 11:37:22 2020-Jan-29 11:37
2124-May-04 00:05 00:03 Jupiter 1.96401816377134 1.96401755860298 1.96401876894328 2.9305862347211 2.77953148380202 2496958.503590615 3.31105192541566 250.023063594517 19.9316477575123 85.1641408564112 1514091.24880102 T 27 CATAB v2.0f-lin.ifort 2020-Jan-29 11:37:22 2020-Jan-29 11:37
2160-Aug-23 10:05 00:04 Jupiter 1.99981771366949 1.99981661192623 1.99981881543104 3.32881275478294 3.19904589420758 2510218.919947617 4.34790669088188 341.623232444892 13.5299053678412 83.2866822647526 2008154.85370043 T 27 CATAB v2.0f-lin.ifort 2020-Jan-29 11:37:22 2020-Jan-29 11:37

Alternate Designations
 2001 KE71 = 1987 SQ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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