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487835 (2015 TQ77)
Classification: Main-belt Asteroid          SPK-ID: 2487835
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05825948715266351 2.1516e-07  
a 3.121739582811271 1.1601e-07 au
q 2.939868635692517 5.9966e-07 au
i 8.762958937971645 1.0036e-05 deg
node 215.5217418086903 5.6547e-05 deg
peri 192.4324643071268 0.00020214 deg
M 296.3163422524059 0.00016648 deg
tp 2459356.884602761700
(2021-May-22.38460276)
0.00092127 TDB
period 2014.621357063288
5.52
0.00011231
3.075e-07
d
yr
n .1786936283276435 9.9613e-09 deg/d
Q 3.303610529930026 1.2277e-07 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      4905 days (13.43 yr)  
   first obs. used      2004-11-10  
   last obs. used      2018-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73442  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:49:55  

Additional Information
 Earth MOID = 1.94976 au 
 Jupiter MOID = 2.00931 au 
 T_jup = 3.195 
[ 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 MPO446847  

487835 (2015 TQ77)          Discovered 2009-Sep-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TQ77 = 2009 SK300 = 2009 SP369 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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