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186417 (2002 QM117)
Classification: Main-belt Asteroid          SPK-ID: 2186417
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1209225820438671 3.7028e-08  
a 2.18914488740096 8.9081e-09 au
q 1.924427835148306 8.337e-08 au
i 6.55322366217296 6.3538e-06 deg
node 176.2435347386639 3.4649e-05 deg
peri 97.16964360953787 4.5853e-05 deg
M 278.1384191853227 2.7042e-05 deg
tp 2459469.522009369576
(2021-Sep-12.02200937)
8.8784e-05 TDB
period 1183.069303197272
3.24
7.2212e-06
1.977e-08
d
yr
n .3042932472570219 1.8574e-09 deg/d
Q 2.453861939653615 9.9853e-09 au
  Orbit Determination Parameters
   # obs. used (total)      353  
   data-arc span      9506 days (26.03 yr)  
   first obs. used      1995-04-22  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53256  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:06  

Additional Information
 Earth MOID = .919982 au 
 Jupiter MOID = 2.64257 au 
 T_jup = 3.656 
[ 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 17.02   n/a E2021B55  

186417 (2002 QM117)          Discovered 2002-Aug-16 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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