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7337 (1990 QH1)
Classification: Main-belt Asteroid          SPK-ID: 2007337
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08219981516788216 7.8221e-08  
a 2.366732272115607 1.2533e-08 AU
q 2.172187316795842 1.8462e-07 AU
i 5.661387409370553 6.6061e-06 deg
node 344.886175679025 4.6776e-05 deg
peri 343.5243248499296 5.726e-05 deg
M 251.109423746338 3.6527e-05 deg
tp 2457402.762845473246
(2016-Jan-15.26284547)
0.00013586 JED
period 1329.909615254686
3.64
1.0564e-05
2.892e-08
d
yr
n .2706950877492962 2.1502e-09 deg/d
Q 2.561277227435371 1.3563e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1262  
   data-arc span      21747 days (59.54 yr)  
   first obs. used      1954-11-23  
   last obs. used      2014-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52197  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:09:39  

Additional Information
 Earth MOID = 1.16241 AU 
 T_jup = 3.536 
[ 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 13.5 mag n/a MPO253414  

7337 (1990 QH1)          Discovered 1990-Aug-22 by Holt, H. E. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1990 QH1 = 1928 RM = 1981 AP3 = 1989 GK4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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