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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1078286442278229 4.367e-08  
a 2.88736122873881 1.2267e-08 au
q 2.576020982047923 1.2763e-07 au
i 1.969071569558866 3.7001e-06 deg
node 161.2219407773922 0.00011915 deg
peri 243.3938563902284 0.00012006 deg
M 225.169283763462 1.6208e-05 deg
tp 2459871.676046163439
(2022-Oct-19.17604616)
8.293e-05 TDB
period 1792.049937604353
4.91
1.142e-05
3.127e-08
d
yr
n .2008872590242964 1.2802e-09 deg/d
Q 3.198701475429697 1.3589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2209  
   data-arc span      24416 days (66.85 yr)  
   first obs. used      1953-10-31  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49482  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 20:12:28  

Additional Information
 Earth MOID = 1.58485 au 
 Jupiter MOID = 2.16495 au 
 T_jup = 3.282 
[ 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 13.71   n/a E2021B10  
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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