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11985 (1995 VG)
Classification: Main-belt Asteroid          SPK-ID: 2011985
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04956241289389746 3.711e-08  
a 2.759588834253031 1.2972e-08 au
q 2.622816953032394 1.0576e-07 au
i 1.940327138619862 4.0991e-06 deg
node 282.2332076453864 0.00013027 deg
peri 174.2191548570876 0.00013889 deg
M 11.72452725715278 4.6929e-05 deg
tp 2458545.967195217959
(2019-Mar-03.46719522)
0.00021828 TDB
period 1674.4222850911
4.58
1.1806e-05
3.232e-08
d
yr
n .2149995274223274 1.5159e-09 deg/d
Q 2.896360715473669 1.3615e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2130  
   data-arc span      13914 days (38.09 yr)  
   first obs. used      1981-10-23  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49618  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:41:39  

Additional Information
 Earth MOID = 1.63973 au 
 Jupiter MOID = 2.18434 au 
 T_jup = 3.339 
[ 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 13.2   n/a MPO384863  
diameter diameter 7.647 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 36.314 h n/a LCDB (Rev. 2019-January); 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 0.191   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11985 (1995 VG)          Discovered 1995-Nov-01 by Kobayashi, T. at Oizumi
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 VG = 1981 UP14 = 1986 WJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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