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JPL Small-Body Database Browser
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85782 (1998 VZ2)
Classification: Main-belt Asteroid          SPK-ID: 2085782
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06043633923064817 5.8577e-08  
a 2.980326746282872 2.658e-08 au
q 2.800206708026346 1.7716e-07 au
i 9.422557535394356 9.5398e-06 deg
node 232.8194123202921 5.6479e-05 deg
peri 63.55884847714479 0.00011985 deg
M 178.1963373493017 0.00010616 deg
tp 2458070.269617873359
(2017-Nov-12.76961787)
0.00055485 TDB
period 1879.291923431349
5.15
2.5141e-05
6.883e-08
d
yr
n .1915615107538405 2.5627e-09 deg/d
Q 3.160446784539397 2.8186e-08 au
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      8190 days (22.42 yr)  
   first obs. used      1997-07-04  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58053  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:03:27  

Additional Information
 Earth MOID = 1.79994 au 
 Jupiter MOID = 1.95516 au 
 T_jup = 3.236 
[ 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 14.8   n/a MPO366217  
diameter diameter 4.173 km 0.712 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.379 h n/a LCDB (Rev. 2019-August); 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 0.161   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85782 (1998 VZ2)          Discovered 1998-Nov-10 by ODAS at Caussols
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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