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186530 (2002 VX78)
Classification: Main-belt Asteroid          SPK-ID: 2186530
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361940347959103 6.0838e-08  
a 2.398677712116974 1.4757e-08 au
q 2.071992116328741 1.5412e-07 au
i 3.761850511775278 5.7088e-06 deg
node 143.2880707614983 6.4829e-05 deg
peri 233.7318524950678 6.7469e-05 deg
M 343.8043348996175 2.0713e-05 deg
tp 2459261.545346545048
(2021-Feb-16.04534655)
7.8276e-05 TDB
period 1356.92635158887
3.72
1.2522e-05
3.428e-08
d
yr
n .2653054821866079 2.4483e-09 deg/d
Q 2.725363307905208 1.6767e-08 au
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      9047 days (24.77 yr)  
   first obs. used      1996-01-13  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55422  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:38  

Additional Information
 Earth MOID = 1.07442 au 
 Jupiter MOID = 2.7398 au 
 T_jup = 3.512 
[ 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 16.42   n/a E2021B55  
rotation period rot_per 5.322 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.]

186530 (2002 VX78)          Discovered 2002-Nov-07 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2002 VX78 = 2000 EB187 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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