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102775 (1999 VS144)
Classification: Main-belt Asteroid          SPK-ID: 2102775
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07553659599035874 5.3504e-08  
a 3.192147582046783 3.2053e-08 au
q 2.951023619800115 1.8095e-07 au
i 21.0265690205289 5.9426e-06 deg
node 239.9108731241064 1.4022e-05 deg
peri 115.1746984130247 3.9121e-05 deg
M 270.2364194058332 3.8366e-05 deg
tp 2459719.922235127355
(2022-May-20.42223513)
0.00022585 TDB
period 2083.161159660775
5.70
3.1377e-05
8.591e-08
d
yr
n .1728142819534054 2.6029e-09 deg/d
Q 3.433271544293451 3.4475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      7567 days (20.72 yr)  
   first obs. used      1999-10-05  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:52:44  

Additional Information
 Earth MOID = 2.01242 au 
 Jupiter MOID = 1.94884 au 
 T_jup = 3.088 
[ 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 13.75   n/a E2021B55  
diameter diameter 9.260 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102775 (1999 VS144)          Discovered 1999-Nov-13 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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