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123777 (2001 BH7)
Classification: Main-belt Asteroid          SPK-ID: 2123777
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1227288808329665 9.6718e-08  
a 3.126606669375289 3.9946e-08 au
q 2.742881732037971 3.0118e-07 au
i 16.61233361664882 1.2981e-05 deg
node 311.9020236749614 2.5199e-05 deg
peri 144.7657128382247 6.2157e-05 deg
M 203.6328803448893 5.3591e-05 deg
tp 2459877.604294430999
(2022-Oct-25.10429443)
0.00030502 TDB
period 2019.334670176229
5.53
3.8699e-05
1.06e-07
d
yr
n .1782765409403794 3.4166e-09 deg/d
Q 3.510331606712608 4.4849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      9038 days (24.74 yr)  
   first obs. used      1993-08-16  
   last obs. used      2018-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57875  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:52:39  

Additional Information
 Earth MOID = 1.77562 au 
 Jupiter MOID = 1.64803 au 
 T_jup = 3.139 
[ 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 14.9   n/a MPO396057  
diameter diameter 6.606 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123777 (2001 BH7)          Discovered 2001-Jan-19 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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