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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08219981507764694 7.8221e-08  
a 2.366732272245408 1.2538e-08 AU
q 2.172187317128536 1.8462e-07 AU
i 5.661387353723922 6.6082e-06 deg
node 344.8861750554299 4.6809e-05 deg
peri 343.5243251050148 5.7296e-05 deg
M 251.1094240218435 3.6537e-05 deg
tp 2457402.762844488568
(2016-Jan-15.26284449)
0.0001359 JED
period 1329.909615364093
3.64
1.0568e-05
2.893e-08
d
yr
n .2706950877270272 2.1511e-09 deg/d
Q 2.56127722736228 1.3569e-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 = 1.16241 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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