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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08202741363074541 7.8159e-08  
a 2.367031440265737 1.2664e-08 AU
q 2.17286997323808 1.8439e-07 AU
i 5.661109246173553 6.6077e-06 deg
node 344.8857737495442 4.681e-05 deg
peri 343.5151978981268 5.7342e-05 deg
M 196.9735437560184 3.6494e-05 deg
tp 2457402.865450202974
(2016-Jan-15.36545020)
0.0001362 JED
period 1330.161785204577
3.64
1.0675e-05
2.923e-08
d
yr
n .2706437698062664 2.172e-09 deg/d
Q 2.561192907293394 1.3703e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1246  
   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      .52518  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:36:55  

Additional Information
 Earth MOID = 1.16126 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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