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7981 (1978 VL10)
Classification: Main-belt Asteroid          SPK-ID: 2007981
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082039737502861 4.8381e-08  
a 2.88655940984968 1.4189e-08 au
q 2.574222211237664 1.3906e-07 au
i 1.969026603146439 4.5394e-06 deg
node 161.2373877485689 0.00012204 deg
peri 243.670295420567 0.00012369 deg
M 104.2457426529043 1.8674e-05 deg
tp 2458081.789541798578
(2017-Nov-24.28954180)
9.2536e-05 TDB
period 1791.303512262037
4.90
1.3208e-05
3.616e-08
d
yr
n .2009709675304529 1.4818e-09 deg/d
Q 3.198896608461695 1.5724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1859  
   data-arc span      23926 days (65.51 yr)  
   first obs. used      1953-10-31  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50336  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:32:25  

Additional Information
 Earth MOID = 1.58354 au 
 Jupiter MOID = 2.16334 au 
 T_jup = 3.283 
[ 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 13.6   n/a MPO256923  
diameter diameter 5.665 km 0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.219   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7981 (1978 VL10)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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