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192861 (1999 VO220)
Classification: Main-belt Asteroid          SPK-ID: 2192861
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280704438727111 5.5085e-08  
a 2.795137284389109 2.7171e-08 au
q 2.437162811692231 1.5009e-07 au
i 11.87433808230399 4.6488e-06 deg
node 247.3436070638099 3.258e-05 deg
peri 165.2805079894187 4.1689e-05 deg
M 176.9384516924364 2.6461e-05 deg
tp 2458361.575527114736
(2018-Aug-31.07552711)
0.00012134 TDB
period 1706.880598026647
4.67
2.4888e-05
6.814e-08
d
yr
n .2109110622126714 3.0753e-09 deg/d
Q 3.153111757085986 3.0651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      7530 days (20.62 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45808  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:51  

Additional Information
 Earth MOID = 1.45001 au 
 Jupiter MOID = 2.19713 au 
 T_jup = 3.284 
[ 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 15.34   n/a E2021B55  
diameter diameter 2.841 km 0.612 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.725 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.219   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192861 (1999 VO220)          Discovered 1999-Nov-03 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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