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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2187589355669972 3.9435e-08  
a 2.780745575245593 1.5821e-08 au
q 2.172432633122229 1.1306e-07 au
i 6.713275846453616 5.1649e-06 deg
node 280.9004124622095 4.132e-05 deg
peri 131.9558993611734 4.3668e-05 deg
M 352.6607726991783 1.2772e-05 deg
tp 2459035.029329617796
(2020-Jul-04.52932962)
6.0199e-05 TDB
period 1693.714903885706
4.64
1.4454e-05
3.957e-08
d
yr
n .2125505297108097 1.8139e-09 deg/d
Q 3.389058517368956 1.9282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      6969 days (19.08 yr)  
   first obs. used      2001-10-13  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52433  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:41:56  

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2072-Mar-08 13:08 00:02 Hebe 0.0157452339130821 0.0157411913930288 0.0157492989624436 6.78466295053045 6.78466289233619 2477910.047434967 2.41734121839031 979.544897367503 40.5440510433196 78.3284610587175 56882.3116866216 T 17 CATAB v2.0f-lin.ifort 2020-Dec-18 05:41:57 2020-Dec-18 05:41
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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