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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212829720879398 5.5634e-08  
a 2.328275829229539 9.9595e-09 au
q 1.832749534364367 1.3328e-07 au
i .8801363782585803 5.5763e-06 deg
node 49.75228426437904 0.00027128 deg
peri 6.393858117849334 0.00027158 deg
M 56.26335059971816 1.1865e-05 deg
tp 2457397.697566367905
(2016-Jan-10.19756637)
4.2378e-05 JED
period 1297.627591128918
3.55
8.3262e-06
2.28e-08
d
yr
n .2774293660685844 1.7801e-09 deg/d
Q 2.82380212409471 1.2079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1177  
   data-arc span      9378 days (25.68 yr)  
   first obs. used      1990-08-16  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55979  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:08:05  

Additional Information
 Earth MOID = .842959 au 
 Jupiter MOID = 2.53349 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 14.7 mag n/a MPO358731  

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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