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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397365390986242 6.3031e-08  
a 1.910021772028071 1.0947e-08 AU
q 1.643121940001846 1.2227e-07 AU
i 23.14874090149614 1.0057e-05 deg
node 170.5237848740901 1.5753e-05 deg
peri 265.1129070124507 4.2428e-05 deg
M 338.7896900829559 4.5066e-05 deg
tp 2457057.306811955950
(2015-Feb-03.80681196)
0.00012095 JED
period 964.1750820297228
2.64
8.2894e-06
2.27e-08
d
yr
n .3733761706869149 3.21e-09 deg/d
Q 2.176921604054295 1.2477e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      8745 days (23.94 yr)  
   first obs. used      1990-08-16  
   last obs. used      2014-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53046  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:11:03  

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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