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7660 (1993 VM1)
Classification: Mars-crossing Asteroid          SPK-ID: 2007660
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397365356730179 6.2639e-08  
a 1.91002178122432 7.7802e-09 AU
q 1.643121954456027 1.2145e-07 AU
i 23.14874084232705 9.8032e-06 deg
node 170.5237871555335 1.3766e-05 deg
peri 265.112928675802 3.7441e-05 deg
M 338.7896551191678 3.5617e-05 deg
tp 2457057.306906008474
(2015-Feb-03.80690601)
9.544e-05 JED
period 964.1750889930948
2.64
5.8912e-06
1.613e-08
d
yr
n .3733761679903537 2.2814e-09 deg/d
Q 2.176921607992614 8.8674e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      747  
   data-arc span      8842 days (24.21 yr)  
   first obs. used      1990-08-16  
   last obs. used      2014-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52306  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:05:07  

Additional Information
 Earth MOID = .780666 AU 
 T_jup = 3.827 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO302112  
rotation period rot_per 5.924 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2005) http://www.asu.cas.cz/~ppravec/neo.htm]
[Warner, B.D (2012) Minor Planet Bul. 39, 16-21.]
[Stephens, R.D.; Coley, D.; Warner, B.D. (2014) Minor Planet Bul. 41, 8-13.]

7660 (1993 VM1)          Discovered 1993-Nov-05 by McNaught, R. H. at Siding Spring (413)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1993 VM1 = 1990 QC 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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