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72325 (2001 BT55)
Classification: Main-belt Asteroid          SPK-ID: 2072325
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1534040418278135 3.4207e-08  
a 2.398949408541713 8.1092e-09 au
q 2.030940873130971 8.2334e-08 au
i 2.967624275903835 2.9133e-06 deg
node 69.95945352086903 7.7135e-05 deg
peri 300.9005741641803 7.7949e-05 deg
M 217.9753208321058 1.0706e-05 deg
tp 2459735.916038989176
(2022-Jun-05.41603899)
4.1046e-05 TDB
period 1357.156905161846
3.72
6.8814e-06
1.884e-08
d
yr
n .265260412138616 1.345e-09 deg/d
Q 2.766957943952455 9.3532e-09 au
  Orbit Determination Parameters
   # obs. used (total)      951  
   data-arc span      8356 days (22.88 yr)  
   first obs. used      1998-04-03  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51391  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:01:26  

Additional Information
 Earth MOID = 1.03127 au 
 Jupiter MOID = 2.69821 au 
 T_jup = 3.509 
[ 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 15.99   n/a E2021B10  
diameter diameter 3.998 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72325 (2001 BT55)          Discovered 2001-Jan-19 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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