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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06050710246722851 5.7448e-08  
a 2.979612347826538 2.2359e-08 au
q 2.799324638183978 1.7492e-07 au
i 9.422847077653028 6.5992e-06 deg
node 232.800142841953 5.1205e-05 deg
peri 63.90160966771131 0.00010762 deg
M 253.7146463810453 9.7218e-05 deg
tp 2459951.137201575720
(2023-Jan-06.63720158)
0.0005087 TDB
period 1878.61625114498
5.14
2.1146e-05
5.789e-08
d
yr
n .1916304087013976 2.157e-09 deg/d
Q 3.159900057469098 2.3712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      687  
   data-arc span      8714 days (23.86 yr)  
   first obs. used      1997-07-04  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56027  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:26:58  

Additional Information
 Earth MOID = 1.79886 au 
 Jupiter MOID = 1.95446 au 
 T_jup = 3.237 
[ 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 14.81   n/a MPCxxxxx  
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. 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 0.161   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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