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49703 (1999 VT12)
Classification: Main-belt Asteroid          SPK-ID: 2049703
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1792039855834193 3.8158e-08  
a 2.259716036010834 7.07e-09 au
q 1.854765916070927 8.8972e-08 au
i 6.010732355567662 3.957e-06 deg
node 62.4843066151936 3.7745e-05 deg
peri 327.6661267595598 3.954e-05 deg
M 36.92721659528494 1.0884e-05 deg
tp 2458873.230803799754
(2020-Jan-24.73080380)
3.7426e-05 TDB
period 1240.735556493004
3.40
5.8228e-06
1.594e-08
d
yr
n .2901504660812305 1.3617e-09 deg/d
Q 2.664666155950741 8.3369e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1060  
   data-arc span      8657 days (23.70 yr)  
   first obs. used      1997-02-07  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53976  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:31:17  

Additional Information
 Earth MOID = .863865 au 
 Jupiter MOID = 2.77272 au 
 T_jup = 3.592 
[ 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 15.4   n/a MPO439430  
diameter diameter 2.128 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.324   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49703 (1999 VT12)          Discovered 1999-Nov-11 by Juels, C. W. at Fountain Hills
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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