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72881 (2001 KU7)
Classification: Main-belt Asteroid          SPK-ID: 2072881
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0474871714720387 3.8862e-08  
a 3.058837802379842 2.0075e-08 au
q 2.913582247153077 1.2203e-07 au
i 10.94586880504327 4.1826e-06 deg
node 68.65881191835766 1.8114e-05 deg
peri 149.437739415952 4.4885e-05 deg
M 252.9812421524906 4.2816e-05 deg
tp 2459781.385458913663
(2022-Jul-20.88545891)
0.00023407 TDB
period 1954.038426673678
5.35
1.9237e-05
5.267e-08
d
yr
n .1842338385396141 1.8137e-09 deg/d
Q 3.204093357606607 2.1029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1171  
   data-arc span      8151 days (22.32 yr)  
   first obs. used      1998-11-24  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51989  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:16:24  

Additional Information
 Earth MOID = 1.90787 au 
 Jupiter MOID = 1.79799 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 14.34   n/a E2021B10  
diameter diameter 5.746 km 0.562 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.123   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72881 (2001 KU7)          Discovered 2001-May-18 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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