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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2130317086958225 6.2371e-08  
a 2.328461978052399 1.5207e-08 AU
q 1.832425744234641 1.458e-07 AU
i .8801725567034107 6.2792e-06 deg
node 49.75261968986113 0.00036276 deg
peri 6.360673631699004 0.00036289 deg
M 249.8494375460297 1.6259e-05 deg
tp 2457397.587641839458
(2016-Jan-10.08764184)
6.1161e-05 JED
period 1297.783214878649
3.55
1.2713e-05
3.481e-08
d
yr
n .2773960981100086 2.7174e-09 deg/d
Q 2.824498211870155 1.8446e-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 = .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 (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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