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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2242626603930498 8.9124e-05  
a 39.29218884620708 0.0070457 au
q 30.48041804289056 0.0020822 au
i 16.55007086278908 0.00020861 deg
node 346.7424675780813 0.00018533 deg
peri 81.65408593932324 0.021946 deg
M 344.2506044641568 0.017068 deg
tp 2462936.174294978689
(2031-Mar-10.67429498)
3.2202 TDB
period 89961.72221135773
246.30
24.197
0.06625
d
yr
n .004001701958908806 1.0764e-06 deg/d
Q 48.1039596495236 0.0086258 au
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      7686 days (21.04 yr)  
   first obs. used      1997-08-28  
   last obs. used      2018-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .4041  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:41:02  

Additional Information
 Earth MOID = 29.5358 au 
 Jupiter MOID = 25.6834 au 
 T_jup = 5.266 
[ 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 7.5   n/a E2018Y42  

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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