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52955 (1998 TJ)
Classification: Main-belt Asteroid          SPK-ID: 2052955
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1380248611438435 3.1701e-08  
a 2.305630722559116 7.7141e-09 au
q 1.987396362228915 7.2283e-08 au
i 5.73329468752321 4.0198e-06 deg
node 13.41608370115678 3.4381e-05 deg
peri 316.2275544745451 3.7214e-05 deg
M 167.2158878371368 1.4809e-05 deg
tp 2458606.538779591869
(2019-May-03.03877959)
5.202e-05 TDB
period 1278.742361821428
3.50
6.4176e-06
1.757e-08
d
yr
n .2815266082897415 1.4129e-09 deg/d
Q 2.623865082889318 8.7788e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1104  
   data-arc span      8237 days (22.55 yr)  
   first obs. used      1998-08-31  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:20:39  

Additional Information
 Earth MOID = .979629 au 
 Jupiter MOID = 2.71374 au 
 T_jup = 3.569 
[ 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 15.66   n/a MPCxxxxx  

52955 (1998 TJ)          Discovered 1998-Oct-10 by Kobayashi, T. at Oizumi
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 TJ = 2000 EH32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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