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6394 (1990 QM2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2006394
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 .09298147317585474 7.3974e-08  
a 1.93854181430958 1.0658e-08 AU
q 1.758293340602081 1.4114e-07 AU
i 22.82048645907753 7.9363e-06 deg
node 161.7050492290411 1.8594e-05 deg
peri 193.4692297248816 5.0766e-05 deg
M 348.8709563230589 5.1299e-05 deg
tp 2457030.976601238979
(2015-Jan-08.47660124)
0.00014057 JED
period 985.8507850737474
2.70
8.1304e-06
2.226e-08
d
yr
n .3651668238749436 3.0116e-09 deg/d
Q 2.118790288017079 1.1649e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      8877 days (24.30 yr)  
   first obs. used      1990-08-22  
   last obs. used      2014-12-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50116  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:16:36  

Additional Information
 Earth MOID = .754427 AU 
 T_jup = 3.804 
[ 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 13.6 mag n/a MPO253408  
rotation period rot_per 3.6873 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Warner, B.D. (2008) Minor Planet Bul. 35, 163-167.]
[Warner, B.D. (2011) Minor Planet Bul. 38, 190-195.]
[Warner, B.D. (2013) Minor Planet Bul. 40, 137-145.]

6394 (1990 QM2)          Discovered 1990-Aug-22 by Holt, H. E. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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