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91996 (1999 VG133)
Classification: Outer Main-belt Asteroid          SPK-ID: 2091996
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1140227751133138 5.613e-08  
a 3.222700758522394 3.8865e-08 au
q 2.855239474675889 1.996e-07 au
i 18.49428657936149 5.9652e-06 deg
node 218.1143587942389 1.6281e-05 deg
peri 56.71013479972724 2.8946e-05 deg
M 305.2679536867935 2.5803e-05 deg
tp 2459321.768084446821
(2021-Apr-17.26808445)
0.00015398 TDB
period 2113.140622205244
5.79
3.8226e-05
1.047e-07
d
yr
n .1703625382130551 3.0818e-09 deg/d
Q 3.590162042368899 4.3297e-08 au
  Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      9666 days (26.46 yr)  
   first obs. used      1993-11-09  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59133  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:44:03  

Additional Information
 Earth MOID = 1.88518 au 
 Jupiter MOID = 1.55166 au 
 T_jup = 3.098 
[ 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 14.8   n/a MPO432457  
diameter diameter 6.853 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91996 (1999 VG133)          Discovered 1999-Nov-10 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 VG133 = 1997 KG1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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