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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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1696953856104786 2.9207e-08  
a 2.241276560557032 8.4611e-09 au
q 1.860942270353579 6.6488e-08 au
i 6.805298084418952 3.9554e-06 deg
node 69.37423191005318 2.643e-05 deg
peri 227.4097645922523 2.9092e-05 deg
M 247.9967309347482 1.3062e-05 deg
tp 2459381.802628175255
(2021-Jun-16.30262818)
4.5572e-05 TDB
period 1225.579818238347
3.36
6.9401e-06
1.9e-08
d
yr
n .2937385184079364 1.6634e-09 deg/d
Q 2.621610850760485 9.8969e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1268  
   data-arc span      15190 days (41.59 yr)  
   first obs. used      1978-11-05  
   last obs. used      2020-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50627  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:21:57  

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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