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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 | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1221471123016834 6.0259e-08  
a 2.211712035535555 1.1489e-08 au
q 1.941557797152009 1.3423e-07 au
i .7223301347871803 5.5015e-06 deg
node 242.9209909853575 0.00044593 deg
peri 52.79207100498097 0.00044631 deg
M 173.5052374366553 1.7828e-05 deg
tp 2458421.469571356955
(2018-Oct-29.96957136)
5.8581e-05 TDB
period 1201.4101556306
3.29
9.3616e-06
2.563e-08
d
yr
n .299647874885028 2.3349e-09 deg/d
Q 2.481866273919101 1.2893e-08 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      7363 days (20.16 yr)  
   first obs. used      1999-10-06  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55653  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:33:52  

Additional Information
 Earth MOID = .925679 au 
 Jupiter MOID = 2.67505 au 
 T_jup = 3.647 
[ 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 17.3   n/a MPO449932  

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

[ show close-approach data ]
Alternate Designations
 2002 QH57 = 1999 TL306 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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