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487818 (2015 TQ23)
Classification: Main-belt Asteroid          SPK-ID: 2487818
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1921980216468399 1.1002e-07  
a 2.465485999915364 2.1885e-08 au
q 1.99162446833365 2.6421e-07 au
i 1.494156440429753 9.6832e-06 deg
node 148.3535173178441 0.00013732 deg
peri 181.011686756832 0.00013863 deg
M 72.71105085470346 1.3143e-05 deg
tp 2458714.905290184760
(2019-Aug-19.40529019)
5.2245e-05 TDB
period 1414.009209397027
3.87
1.8827e-05
5.155e-08
d
yr
n .2545952300788154 3.3898e-09 deg/d
Q 2.939347531497077 2.6091e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      7501 days (20.54 yr)  
   first obs. used      1999-04-18  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5251  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:48:31  

Additional Information
 Earth MOID = .980533 au 
 Jupiter MOID = 2.41127 au 
 T_jup = 3.461 
[ 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 16.8   n/a MPO495392  

487818 (2015 TQ23)          Discovered 2014-Mar-05 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TQ23 = 2004 WQ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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