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24952 (1997 QJ4)
Classification: TransNeptunian Object          SPK-ID: 2024952
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2257602624537413 1.8362e-05  
a 39.37775973343859 0.0013668 au
q 30.48782636117713 0.0003421 au
i 16.54561153204295 2.7974e-05 deg
node 346.7186655501013 9.9599e-05 deg
peri 81.46442429957867 0.0036887 deg
M 345.2376428790583 0.0029471 deg
tp 2462901.577170001216
(2031-Feb-04.07717000)
0.5476 TDB
period 90255.76134520762
247.11
4.6992
0.01287
d
yr
n .003988665040706735 2.0767e-07 deg/d
Q 48.26769310570006 0.0016754 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 = 29.5426 au 
 Jupiter MOID = 25.6922 au 
 T_jup = 5.270 
[ 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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