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112901 (2002 QK51)
Classification: Main-belt Asteroid          SPK-ID: 2112901
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05338133324202328 5.2782e-08  
a 2.43553776078174 1.4568e-08 au
q 2.305525507949919 1.2946e-07 au
i 5.01161732031498 5.5153e-06 deg
node 223.2665783714821 4.2476e-05 deg
peri 140.6468778155657 6.0995e-05 deg
M 215.8540797806924 4.7465e-05 deg
tp 2459556.392202272487
(2021-Dec-07.89220227)
0.00018545 TDB
period 1388.323668915675
3.80
1.2457e-05
3.411e-08
d
yr
n .2593055265571979 2.3266e-09 deg/d
Q 2.565550013613561 1.5346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      10453 days (28.62 yr)  
   first obs. used      1991-09-13  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60265  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:37:52  

Additional Information
 Earth MOID = 1.30609 au 
 Jupiter MOID = 2.65081 au 
 T_jup = 3.498 
[ 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 16.5   n/a MPO422385  

112901 (2002 QK51)          Discovered 2002-Aug-16 by Lowe, A. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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