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186414 (2002 QH57)
Classification: Main-belt Asteroid          SPK-ID: 2186414
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1221679398764704 4.586e-08  
a 2.211595743221088 1.0157e-08 au
q 1.941409647432196 1.0522e-07 au
i .7222601407907513 4.1684e-06 deg
node 242.9095501050836 0.000354 deg
peri 52.85804221611898 0.00035439 deg
M 233.3696638736033 1.7693e-05 deg
tp 2459623.063814040360
(2022-Feb-12.56381404)
6.0238e-05 TDB
period 1201.315401253356
3.29
8.2757e-06
2.266e-08
d
yr
n .2996715097670479 2.0644e-09 deg/d
Q 2.48178183900998 1.1398e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      7864 days (21.53 yr)  
   first obs. used      1999-10-06  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53356  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:06  

Additional Information
 Earth MOID = .923562 au 
 Jupiter MOID = 2.67444 au 
 T_jup = 3.647 
[ 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 17.43   n/a MPCxxxxx  

186414 (2002 QH57)          Discovered 2002-Aug-17 by Lowe, A. at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2002 QH57 = 1999 TL306 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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