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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08202741261546453 7.8843e-08  
a 2.367031439669858 1.2101e-08 AU
q 2.172869975094281 1.8574e-07 AU
i 5.66112126313859 6.8621e-06 deg
node 344.8858219640256 5.0069e-05 deg
peri 343.5151751199205 6.1218e-05 deg
M 196.9735215576266 3.8698e-05 deg
tp 2457402.865531996214
(2016-Jan-15.36553200)
0.00014432 JED
period 1330.161784702293
3.64
1.02e-05
2.793e-08
d
yr
n .2706437699084647 2.0754e-09 deg/d
Q 2.561192904245434 1.3094e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1226  
   data-arc span      21679 days (59.35 yr)  
   first obs. used      1954-11-23  
   last obs. used      2014-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54229  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:52:21  

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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