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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2406870723186436 4.2368e-08  
a 2.964449390365518 1.3486e-08 au
q 2.250944745561654 1.2905e-07 au
i 11.69671483883038 4.7614e-06 deg
node 206.4816964196743 1.7819e-05 deg
peri 187.7445705180136 1.991e-05 deg
M 136.4753024010483 8.9378e-06 deg
tp 2458493.749617884054
(2019-Jan-10.24961788)
4.3771e-05 TDB
period 1864.294367445828
5.10
1.2721e-05
3.483e-08
d
yr
n .1931025519822909 1.3177e-09 deg/d
Q 3.677954035169383 1.6731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1539  
   data-arc span      9099 days (24.91 yr)  
   first obs. used      1996-04-20  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46714  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:16:28  

Additional Information
 Earth MOID = 1.25667 au 
 Jupiter MOID = 1.76443 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 13.89   n/a E2021B10  
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

[ show close-approach data ]
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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