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452242 (2015 TQ2)
Classification: Main-belt Asteroid          SPK-ID: 2452242
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1896943977976365 4.2227e-08  
a 2.3965625782585 2.3707e-08 au
q 1.941948083191403 1.0852e-07 au
i 2.237184005205752 8.4964e-06 deg
node 19.05851217153543 0.00011443 deg
peri 269.8101693476046 0.00011699 deg
M 158.4687016615468 2.456e-05 deg
tp 2458403.983327913874
(2018-Oct-12.48332791)
8.844e-05 TDB
period 1355.131957915917
3.71
2.0107e-05
5.505e-08
d
yr
n .2656567855972128 3.9418e-09 deg/d
Q 2.851177073325597 2.8204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5534 days (15.15 yr)  
   first obs. used      2004-10-09  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5702  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:09:30  

Additional Information
 Earth MOID = .92724 au 
 Jupiter MOID = 2.32533 au 
 T_jup = 3.503 
[ 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 17.5   n/a MPO450473  

452242 (2015 TQ2)          Discovered 2004-Oct-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-11-30

Alternate Designations
 2015 TQ2 = 2004 TO239 = 2014 HJ43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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