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123779 (2001 BW12)
Classification: Main-belt Asteroid          SPK-ID: 2123779
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08824294548970103 5.4461e-08  
a 3.18468505430174 3.4276e-08 au
q 2.903659064653126 1.8303e-07 au
i 11.38483640522311 5.8917e-06 deg
node 38.96870681823523 2.5783e-05 deg
peri 144.6403393621826 3.775e-05 deg
M 101.7680418204399 2.8529e-05 deg
tp 2458413.677065505362
(2018-Oct-22.17706551)
0.00016244 TDB
period 2075.860482712355
5.68
3.3513e-05
9.175e-08
d
yr
n .173422059429359 2.7997e-09 deg/d
Q 3.465711043950354 3.73e-08 au
  Orbit Determination Parameters
   # obs. used (total)      587  
   data-arc span      7150 days (19.58 yr)  
   first obs. used      1999-10-13  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5721  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:01:37  

Additional Information
 Earth MOID = 1.91232 au 
 Jupiter MOID = 1.51373 au 
 T_jup = 3.162 
[ 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 14.4   n/a MPO436599  
diameter diameter 8.418 km 0.310 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123779 (2001 BW12)          Discovered 2001-Jan-18 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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