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27664 (1978 VX5)
Classification: Main-belt Asteroid          SPK-ID: 2027664
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1696953870984881 2.9557e-08  
a 2.241276560878899 8.5447e-09 au
q 1.860942267285786 6.7119e-08 au
i 6.805298105559558 4.1631e-06 deg
node 69.37423264547438 2.6479e-05 deg
peri 227.4097631087912 2.934e-05 deg
M 247.9967313900576 1.3276e-05 deg
tp 2459381.802626707343
(2021-Jun-16.30262671)
4.6229e-05 TDB
period 1225.579818502353
3.36
7.0086e-06
1.919e-08
d
yr
n .2937385183446612 1.6798e-09 deg/d
Q 2.621610854472012 9.9947e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1187  
   data-arc span      15067 days (41.25 yr)  
   first obs. used      1978-11-05  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51544  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:08:21  

Additional Information
 Earth MOID = .852856 au 
 Jupiter MOID = 2.57424 au 
 T_jup = 3.606 
[ 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 15.1   n/a MPO302228  
diameter diameter 3.308 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.280   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27664 (1978 VX5)          Discovered 1978-Nov-06 by Helin, E. F., Bus, S. J. at Palomar
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1978 VX5 = 2000 EM109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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