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24952 (1997 QJ4)
Classification: TransNeptunian Object          SPK-ID: 2024952
Ephemeris | Orbit Diagram | Orbital Elements | 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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2272417955242385 1.8414e-05  
a 39.45728911154093 0.0013728 au
q 30.49094388731539 0.00034115 au
i 16.54261443359483 2.7956e-05 deg
node 346.7016295790356 9.9574e-05 deg
peri 81.33891813866221 0.0036569 deg
M 346.1569561940941 0.0028748 deg
tp 2462877.615117970689
(2031-Jan-11.11511797)
0.54263 TDB
period 90529.32722316345
247.86
4.7245
0.01293
d
yr
n .003976611900722134 2.0753e-07 deg/d
Q 48.42363433576648 0.0016847 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      8535 days (23.37 yr)  
   first obs. used      1997-08-28  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .69653  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:51:49  

Additional Information
 Earth MOID = 29.546 au 
 Jupiter MOID = 25.6968 au 
 T_jup = 5.273 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.58   n/a MPCxxxxx  

24952 (1997 QJ4)          Discovered 1997-Aug-28 by Luu, J. X., Trujillo, C., Jewitt, D. C., Berney, K. at Mauna Kea
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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