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70902 (1999 VH178)
Classification: Main-belt Asteroid          SPK-ID: 2070902
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1697431432789118 4.5216e-08  
a 2.419688208077654 9.764e-09 au
q 2.008962725883635 1.0867e-07 au
i 11.27332958479521 5.0824e-06 deg
node 68.27952828262885 2.2247e-05 deg
peri 1.087905186515879 2.7228e-05 deg
M 142.5730355348202 1.4234e-05 deg
tp 2458456.031906741991
(2018-Dec-03.53190674)
5.3879e-05 TDB
period 1374.793717743441
3.76
8.3214e-06
2.278e-08
d
yr
n .261857466581166 1.585e-09 deg/d
Q 2.830413690271672 1.1421e-08 au
  Orbit Determination Parameters
   # obs. used (total)      969  
   data-arc span      7597 days (20.80 yr)  
   first obs. used      1999-08-22  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55901  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:37:15  

Additional Information
 Earth MOID = 1.02323 au 
 Jupiter MOID = 2.47256 au 
 T_jup = 3.469 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO309688  
diameter diameter 2.624 km 0.742 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.135   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70902 (1999 VH178)          Discovered 1999-Nov-06 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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