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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2187588943668678 4.2693e-08  
a 2.78074557738725 1.779e-08 au
q 2.172432749362458 1.2438e-07 au
i 6.713274497143751 5.2236e-06 deg
node 280.9003643341827 4.4044e-05 deg
peri 131.9559376125105 4.6272e-05 deg
M 352.660778103737 1.3721e-05 deg
tp 2459035.029304230515
(2020-Jul-04.52930423)
6.4711e-05 TDB
period 1693.714905842389
4.64
1.6253e-05
4.45e-08
d
yr
n .2125505294652583 2.0397e-09 deg/d
Q 3.389058405412043 2.1681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      6592 days (18.05 yr)  
   first obs. used      2001-10-13  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53887  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:49:44  

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

[ hide close-approach data ]
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 15 CATAB v2.0f-lin.ifort 2019-Nov-08 02:49:46 2019-Nov-08 02:50
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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