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12665 (1978 VE7)
Classification: Main-belt Asteroid          SPK-ID: 2012665
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2200425000526214 4.3178e-08  
a 2.338458930842097 6.5347e-09 au
q 1.823898581429222 1.0234e-07 au
i .7640038529707796 4.6769e-06 deg
node 176.4020881339346 0.00021827 deg
peri 172.4885984508929 0.00021839 deg
M 162.41979509863 6.2283e-06 deg
tp 2458011.209411740101
(2017-Sep-14.70941174)
2.2587e-05 TDB
period 1306.149977869003
3.58
5.475e-06
1.499e-08
d
yr
n .2756191908277974 1.1553e-09 deg/d
Q 2.853019280254972 7.9726e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1819  
   data-arc span      14784 days (40.48 yr)  
   first obs. used      1978-11-05  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52144  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:18:35  

Additional Information
 Earth MOID = .816627 au 
 Jupiter MOID = 2.57054 au 
 T_jup = 3.533 
[ 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 14.8   n/a MPO378701  
diameter diameter 2.825 km 0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.288   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12665 (1978 VE7)          Discovered 1978-Nov-06 by Helin, E. F., Bus, S. J. at Palomar
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1978 VE7 = 1998 FS46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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