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102848 (1999 VR203)
Classification: Main-belt Asteroid          SPK-ID: 2102848
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 .2053399694850537 4.2817e-08  
a 2.421537518751223 8.6151e-09 au
q 1.924299078543934 1.0581e-07 au
i 10.59699042088898 3.4671e-06 deg
node 74.09319368335562 2.6816e-05 deg
peri 340.8023885418959 2.9461e-05 deg
M 188.1654467623647 1.3515e-05 deg
tp 2459857.466504593217
(2022-Oct-04.96650459)
5.3919e-05 TDB
period 1376.370102504844
3.77
7.3451e-06
2.011e-08
d
yr
n .2615575558818366 1.3958e-09 deg/d
Q 2.918775958958512 1.0384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      893  
   data-arc span      7608 days (20.83 yr)  
   first obs. used      1999-09-13  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50524  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:52:20  

Additional Information
 Earth MOID = .939024 au 
 Jupiter MOID = 2.44022 au 
 T_jup = 3.461 
[ 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 15.49   n/a E2021B55  
diameter diameter 4.665 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 1.80271 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.068   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102848 (1999 VR203)          Discovered 1999-Nov-09 by LONEOS at Anderson Mesa
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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