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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2130316951247564 6.0224e-08  
a 2.328461974440271 1.4559e-08 AU
q 1.832425772991722 1.417e-07 AU
i .8801718451422555 6.1365e-06 deg
node 49.75261002599134 0.00036239 deg
peri 6.360682522189004 0.00036252 deg
M 249.8494405910496 1.5834e-05 deg
tp 2457397.587629938304
(2016-Jan-10.08762994)
5.9431e-05 JED
period 1297.783211858785
3.55
1.2172e-05
3.333e-08
d
yr
n .2773960987554928 2.6017e-09 deg/d
Q 2.824498175888819 1.766e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      9080 days (24.86 yr)  
   first obs. used      1990-08-16  
   last obs. used      2015-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56635  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:04:13  

Additional Information
 Earth MOID = .843851 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 14.6 mag n/a MPO299037  

10307 (1990 QX1)          Discovered 1990-Aug-22 by Holt, H. E. at Palomar
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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