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120180 (2003 QH104)
Classification: Main-belt Asteroid          SPK-ID: 2120180
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1110190733957149 4.2435e-08  
a 2.686688837525586 1.7767e-08 au
q 2.388415132280885 1.1661e-07 au
i 14.67992622115268 4.0424e-06 deg
node 120.5595735305022 2.1743e-05 deg
peri 166.1234960756637 3.3732e-05 deg
M 321.0145552647407 2.5978e-05 deg
tp 2459174.690503871275
(2020-Nov-21.19050387)
0.00011571 TDB
period 1608.512659519409
4.40
1.5955e-05
4.368e-08
d
yr
n .2238092425754118 2.2201e-09 deg/d
Q 2.984962542770286 1.9739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      661  
   data-arc span      8534 days (23.36 yr)  
   first obs. used      1997-02-02  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:56:01  

Additional Information
 Earth MOID = 1.37443 au 
 Jupiter MOID = 2.22339 au 
 T_jup = 3.318 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO436580  

120180 (2003 QH104)          Discovered 2003-Aug-27 by Broughton, J. at Reedy Creek
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2003 QH104 = 1998 HQ16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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