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118448 (1999 VH93)
Classification: Main-belt Asteroid          SPK-ID: 2118448
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1380800142509006 4.1e-08  
a 3.192919100163121 2.5537e-08 au
q 2.752040785310624 1.2779e-07 au
i 4.770781976703811 5.0137e-06 deg
node 22.94501446996589 5.8069e-05 deg
peri 74.60629588204043 6.114e-05 deg
M 167.1614530371954 2.0426e-05 deg
tp 2458032.859725643927
(2017-Oct-06.35972564)
0.00011329 TDB
period 2083.916431922102
5.71
2.5e-05
6.845e-08
d
yr
n .1727516490034841 2.0725e-09 deg/d
Q 3.633797415015617 2.9063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      7153 days (19.58 yr)  
   first obs. used      1999-10-09  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:46  

Additional Information
 Earth MOID = 1.77379 au 
 Jupiter MOID = 1.5608 au 
 T_jup = 3.176 
[ 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 14.9   n/a MPO436569  
diameter diameter 4.675 km 0.392 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118448 (1999 VH93)          Discovered 1999-Nov-09 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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