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18008 (1999 JV99)
Classification: Main-belt Asteroid          SPK-ID: 2018008
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1135875570406658 1.8085e-08  
a 2.846736591714614 1.133e-08 au
q 2.52338273672348 5.205e-08 au
i 15.52683867352378 8.4204e-07 deg
node 119.0628057533193 3.7088e-06 deg
peri 284.5552686303441 9.1326e-06 deg
M 21.31015754785258 7.2074e-06 deg
tp 2459096.650714642285
(2020-Sep-04.15071464)
3.507e-05 TDB
period 1754.362568405541
4.80
1.0474e-05
2.868e-08
d
yr
n .2052027365855094 1.2251e-09 deg/d
Q 3.170090446705748 1.2617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2345  
   data-arc span      9370 days (25.65 yr)  
   first obs. used      1995-07-19  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44945  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:19:53  

Additional Information
 Earth MOID = 1.58589 au 
 Jupiter MOID = 2.2226 au 
 T_jup = 3.244 
[ 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 13.3   n/a MPO492947  
diameter diameter 6.025 km 0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.708 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 0.307   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18008 (1999 JV99)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JV99 = 1995 OO1 = 1998 GC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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