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JPL Small-Body Database Browser
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487817 (2015 TZ22)
Classification: Main-belt Asteroid          SPK-ID: 2487817
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1301746772568748 1.5389e-07  
a 2.619855192764465 5.6972e-08 au
q 2.278816388586603 4.4619e-07 au
i 10.07247823381211 1.0534e-05 deg
node 195.5849881492286 2.7452e-05 deg
peri 201.2962467586894 4.301e-05 deg
M 23.84011949731406 3.465e-05 deg
tp 2458897.930016678960
(2020-Feb-18.43001668)
0.00014704 TDB
period 1548.867823407281
4.24
5.0523e-05
1.383e-07
d
yr
n .2324278382954932 7.5817e-09 deg/d
Q 2.960893996942327 6.4388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      3872 days (10.60 yr)  
   first obs. used      2009-04-19  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53653  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:59:53  

Additional Information
 Earth MOID = 1.288 au 
 Jupiter MOID = 2.47754 au 
 T_jup = 3.372 
[ 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 16.9   n/a MPO495392  

487817 (2015 TZ22)          Discovered 2009-Apr-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TZ22 = 2011 YM78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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