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452520 (2004 TK4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2452520
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2139086701558268 1.0857e-07  
a 3.208554949427826 5.6063e-08 au
q 2.522217227073823 3.2669e-07 au
i .8029066580941087 1.2482e-05 deg
node 205.6708122734946 0.0011078 deg
peri 213.3973597179918 0.0011109 deg
M 248.9856102145876 6.6036e-05 deg
tp 2459647.850405307301
(2022-Mar-09.35040531)
0.00038756 TDB
period 2099.24268701652
5.75
5.502e-05
1.506e-07
d
yr
n .1714904151990346 4.4947e-09 deg/d
Q 3.894892671781828 6.8055e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      6718 days (18.39 yr)  
   first obs. used      1998-09-12  
   last obs. used      2017-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61592  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Jul-11 15:47:44  

Additional Information
 Earth MOID = 1.53474 au 
 Jupiter MOID = 1.4596 au 
 T_jup = 3.156 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO357345  

452520 (2004 TK4)          Discovered 2004-Oct-04 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-01-04

[ show close-approach data ]
Alternate Designations
 2004 TK4 = 2006 DU53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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