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136566 (1978 VE4)
Classification: Main-belt Asteroid          SPK-ID: 2136566
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1669089534125709 5.9614e-08  
a 2.292162337411807 1.1197e-08 au
q 1.90957992062269 1.3572e-07 au
i 3.915046169202575 6.1525e-06 deg
node 52.50901095629852 5.6294e-05 deg
peri 328.1437176893213 5.7405e-05 deg
M 268.1775531883798 1.0688e-05 deg
tp 2458923.805316233386
(2020-Mar-15.30531623)
3.8269e-05 TDB
period 1267.554044631378
3.47
9.2876e-06
2.543e-08
d
yr
n .2840115587376733 2.081e-09 deg/d
Q 2.674744754200924 1.3066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      14404 days (39.44 yr)  
   first obs. used      1978-11-06  
   last obs. used      2018-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57427  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 05:25:07  

Additional Information
 Earth MOID = .913015 au 
 Jupiter MOID = 2.77948 au 
 T_jup = 3.576 
[ 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 16.8   n/a MPO436672  
diameter diameter 2.172 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136566 (1978 VE4)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1978 VE4 = 2002 RE54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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