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46517 (1978 VM7)
Classification: Main-belt Asteroid          SPK-ID: 2046517
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2844158265300401 6.4587e-08  
a 2.541328111798796 8.8234e-09 au
q 1.818534176397516 1.6696e-07 au
i 6.468146248148105 3.3231e-06 deg
node 240.6942410956112 4.4323e-05 deg
peri 89.67293383967623 4.4718e-05 deg
M 158.8546420136366 5.488e-06 deg
tp 2458347.539444068757
(2018-Aug-17.03944407)
2.1922e-05 TDB
period 1479.754051600637
4.05
7.7065e-06
2.11e-08
d
yr
n .2432836724525884 1.267e-09 deg/d
Q 3.264122047200077 1.1333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1158  
   data-arc span      15063 days (41.24 yr)  
   first obs. used      1978-11-05  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:29:37  

Additional Information
 Earth MOID = .822045 au 
 Jupiter MOID = 2.17067 au 
 T_jup = 3.379 
[ 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 15.2   n/a MPO452806  
diameter diameter 2.395 km 0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.294   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46517 (1978 VM7)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 VM7 = 1996 AZ18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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