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72279 (2001 BT)
Classification: Main-belt Asteroid          SPK-ID: 2072279
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .008279692292132596 4.3648e-08  
a 2.722288386582124 1.7153e-08 au
q 2.699748676410778 1.1714e-07 au
i 5.787647636265083 4.5899e-06 deg
node 71.55332889547913 4.248e-05 deg
peri 135.1733941334602 0.00025486 deg
M 88.57440099844669 0.00025037 deg
tp 2458796.849638482309
(2019-Nov-09.34963848)
0.0011414 TDB
period 1640.588347291416
4.49
1.5506e-05
4.245e-08
d
yr
n .2194334737256631 2.0739e-09 deg/d
Q 2.74482809675347 1.7295e-08 au
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      7588 days (20.77 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-07-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56471  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:01:11  

Additional Information
 Earth MOID = 1.69 au 
 Jupiter MOID = 2.22053 au 
 T_jup = 3.351 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO436288  
diameter diameter 2.942 km 0.355 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.269   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72279 (2001 BT)          Discovered 2001-Jan-17 by Kobayashi, T. at Oizumi
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 BT = 1999 VF184 = 1999 VL227 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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