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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2128446042397277 5.6467e-08  
a 2.328167238975091 1.0339e-08 au
q 1.832629404391539 1.3555e-07 au
i .8801274162410749 5.6687e-06 deg
node 49.7511211528498 0.00028599 deg
peri 6.369974992600627 0.00028625 deg
M .7926916798586422 1.2217e-05 deg
tp 2457397.642926016454
(2016-Jan-10.14292602)
4.4026e-05 JED
period 1297.53681060443
3.55
8.6428e-06
2.366e-08
d
yr
n .2774487760638572 1.8481e-09 deg/d
Q 2.823705073558644 1.2539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1091  
   data-arc span      9250 days (25.33 yr)  
   first obs. used      1990-08-16  
   last obs. used      2015-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54243  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:13:50  

Additional Information
 Earth MOID = .84338 au 
 Jupiter MOID = 2.5353 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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