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10307 (1990 QX1)
Classification: Main-belt Asteroid          SPK-ID: 2010307
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2131587679240058 6.238e-08  
a 2.328256884847398 1.5184e-08 AU
q 1.831968515862743 1.4582e-07 AU
i .8802410809076415 6.2799e-06 deg
node 49.75473099273237 0.00036272 deg
peri 6.361867521056858 0.00036284 deg
M 194.3714297435691 1.591e-05 deg
tp 2457397.504387506929
(2016-Jan-10.00438751)
6.1121e-05 JED
period 1297.611753634935
3.55
1.2694e-05
3.475e-08
d
yr
n .2774327521244702 2.714e-09 deg/d
Q 2.824545253832053 1.8421e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      882  
   data-arc span      8720 days (23.87 yr)  
   first obs. used      1990-08-16  
   last obs. used      2014-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56841  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:23:46  

Additional Information
 Earth MOID = .842668 AU 
 T_jup = 3.542 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5 mag n/a MPO263441  

10307 (1990 QX1)          Discovered 1990-Aug-22 by Holt, H. E. at Palomar (675)
Reference: 19990402/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QX1 = 1995 AK4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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