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249978 (2001 VB50)
Classification: Main-belt Asteroid          SPK-ID: 2249978
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .218758934555974 3.9624e-08  
a 2.780745575717156 1.592e-08 au
q 2.172432636302033 1.1371e-07 au
i 6.713275776341932 5.1664e-06 deg
node 280.9004103442508 4.1494e-05 deg
peri 131.9559015734129 4.3831e-05 deg
M 352.6607724497125 1.2809e-05 deg
tp 2459035.029330800257
(2020-Jul-04.52933080)
6.0375e-05 TDB
period 1693.714904316541
4.64
1.4545e-05
3.982e-08
d
yr
n .2125505296567427 1.8253e-09 deg/d
Q 3.389058515132279 1.9403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      406  
   data-arc span      6950 days (19.03 yr)  
   first obs. used      2001-10-13  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52556  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:13:57  

Additional Information
 Earth MOID = 1.19068 au 
 Jupiter MOID = 2.00842 au 
 T_jup = 3.288 
[ 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 16.0   n/a MPO494363  
diameter diameter 4.039 km 0.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249978 (2001 VB50)          Discovered 2001-Nov-10 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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