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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .224345556735001 1.9049e-05  
a 39.29926096694351 0.0014064 au
q 30.48264638604048 0.00034993 au
i 16.55002333174965 2.9305e-05 deg
node 346.7425096545055 0.00010221 deg
peri 81.63069035633447 0.0038052 deg
M 344.2685231379918 0.0031026 deg
tp 2462932.757931557836
(2031-Mar-07.25793156)
0.56601 TDB
period 89986.01134389087
246.37
4.8305
0.01323
d
yr
n .00400062181469765 2.1476e-07 deg/d
Q 48.11587554784655 0.0017219 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      8096 days (22.17 yr)  
   first obs. used      1997-08-28  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .69372  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:37:18  

Additional Information
 Earth MOID = 29.5381 au 
 Jupiter MOID = 25.6857 au 
 T_jup = 5.267 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457017.5 (2014-Dec-26.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2273376408196897 1.8851e-05  
q 30.42467936727778 0.00035527 au
tp 2463064.504533982564
(2031-Jul-17.00453398)
0.56414 TDB
node 346.9113096622755 0.00010171 deg
peri 82.40923238954814 0.0038162 deg
i 16.58665621528003 2.9354e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      8096 days (22.17 yr)  
   first obs. used      1997-08-28  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .69372  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:37:18  

Additional Information
 Jupiter MOID = 25.6857 au 
 T_jup = 5.267 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.553463168761446E-10 6.4795029380623E-9 -1.038201380390335E-5 5.421207680053386E-11 -6.994468861526365E-8 6.081604861298041E-11
q 6.4795029380623E-9 1.262193559932372E-7 -.0002000698482683546 1.057239439151416E-9 -1.353988572098922E-6 1.170451909412784E-9
tp -1.038201380390335E-5 -.0002000698482683546 .3182545802913624 -1.674908327573718E-6 .002151807791817353 -1.856239312229209E-6
node 5.421207680053386E-11 1.057239439151416E-9 -1.674908327573718E-6 1.03443168838423E-8 -2.124178992010187E-8 2.78941548703672E-9
peri -6.994468861526365E-8 -1.353988572098922E-6 .002151807791817353 -2.124178992010187E-8 1.456326648816975E-5 -1.52180771670621E-8
i 6.081604861298041E-11 1.170451909412784E-9 -1.856239312229209E-6 2.78941548703672E-9 -1.52180771670621E-8 8.616324226452696E-10

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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