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277225 (2005 QH165)
Classification: Main-belt Asteroid          SPK-ID: 2277225
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1986855334406012 4.2513e-08  
a 2.22646406018827 9.6574e-09 au
q 1.784097860703437 9.6258e-08 au
i 5.506162442796454 4.6481e-06 deg
node 67.34274133880706 4.6979e-05 deg
peri 268.4813701238702 4.8623e-05 deg
M 286.3970010704073 1.4175e-05 deg
tp 2459644.593262150531
(2022-Mar-06.09326215)
4.8694e-05 TDB
period 1213.450208185496
3.32
7.8951e-06
2.162e-08
d
yr
n .2966747193840919 1.9303e-09 deg/d
Q 2.668830259673104 1.1576e-08 au
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      7333 days (20.08 yr)  
   first obs. used      2001-05-15  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5576  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 04:58:27  

Additional Information
 Earth MOID = .784273 au 
 Jupiter MOID = 2.71818 au 
 T_jup = 3.613 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO455057  

277225 (2005 QH165)          Discovered 2005-Aug-31 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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