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72903 (2001 KO71)
Classification: Main-belt Asteroid          SPK-ID: 2072903
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2409289930844102 4.1976e-08  
a 2.963830941176947 1.3425e-08 au
q 2.249758136846765 1.2799e-07 au
i 11.6988990481147 4.7356e-06 deg
node 206.4801007768062 1.6035e-05 deg
peri 187.7273596930823 1.7898e-05 deg
M 174.3475018368293 8.6898e-06 deg
tp 2458493.907342255831
(2019-Jan-10.40734226)
4.1386e-05 TDB
period 1863.710998807449
5.10
1.2663e-05
3.467e-08
d
yr
n .1931629958885025 1.3124e-09 deg/d
Q 3.677903745507129 1.6659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1647  
   data-arc span      9200 days (25.19 yr)  
   first obs. used      1996-04-20  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46436  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:50:51  

Additional Information
 Earth MOID = 1.25594 au 
 Jupiter MOID = 1.76556 au 
 T_jup = 3.190 
[ 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 13.90   n/a MPO637041  
diameter diameter 7.125 km 0.511 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.105   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72903 (2001 KO71)          Discovered 2001-May-24 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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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
1934-Aug-25 19:23 00:02 Jupiter 1.77019380781504 1.77019326267553 1.770194352961 2.95893043292193 2.79254122787929 2427675.307751664 1.81214974897036 242.151947088325 17.4812410790565 85.011780295793 2632154.7276713 T 37 CATAB v2.0g-lin.ifort 2021-Jul-08 22:50:55 2021-Jul-08 22:50
1970-Jul-22 22:15 00:01 Jupiter 1.75768715298693 1.75768681090453 1.75768749506953 2.94976768042455 2.78160695488125 2440790.427208414 1.00312633671972 157.548755202082 16.446063299766 87.997465198688 2797115.71790989 T 37 CATAB v2.0g-lin.ifort 2021-Jul-08 22:50:55 2021-Jul-08 22:50
2006-Jun-20 17:03 < 00:01 Jupiter 1.78425988031932 1.78425956452585 1.78426019611269 2.90435991055246 2.73603143096216 2453907.210517901 0.315414008387572 104.523972259442 14.5546825440687 86.9333538716811 3220866.66485386 T 37 CATAB v2.0g-lin.ifort 2021-Jul-08 22:50:55 2021-Jul-08 22:50
2042-May-30 19:59 < 00:01 Jupiter 1.84295811792947 1.84295774790522 1.84295848795393 2.80679138201434 2.6379687243464 2467035.332483501 0.528126606342197 109.987743081651 17.9724490357621 89.6818538230895 3578531.06796946 T 37 CATAB v2.0g-lin.ifort 2021-Jul-08 22:50:55 2021-Jul-08 22:50
2078-May-25 15:10 00:01 Jupiter 1.93398762937153 1.93398693163807 1.93398832710532 2.6697815124854 2.50035989046558 2480179.132041860 1.29460110123341 108.632835964116 36.669324409933 -86.8343744381905 4025475.46955261 T 37 CATAB v2.0g-lin.ifort 2021-Jul-08 22:50:55 2021-Jul-08 22:50
2159-Mar-08 13:38 00:03 Jupiter 1.96516250183889 1.96516099705245 1.96516400663158 2.99365074987724 2.84603349859097 2509685.067733611 2.65934995932309 208.09024178622 28.4665184783715 70.1690940509694 2645534.31436373 T 37 CATAB v2.0g-lin.ifort 2021-Jul-08 22:50:55 2021-Jul-08 22:50
2195-Mar-02 05:45 00:03 Jupiter 1.8646425775918 1.86464122147969 1.86464393372044 3.00536042616826 2.85020736879984 2522827.739569661 3.03805702170868 312.115975633191 22.2141202527421 78.1950339253695 2636028.26725056 T 37 CATAB v2.0g-lin.ifort 2021-Jul-08 22:50:55 2021-Jul-08 22:50

Alternate Designations
 2001 KO71 = 1996 HB27 = 1998 XX81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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