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487834 (2015 TN77)
Classification: Main-belt Asteroid          SPK-ID: 2487834
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07791381915077253 6.8912e-08  
a 2.807249217452575 3.6173e-08 au
q 2.588525709612827 1.948e-07 au
i 3.142676129480175 6.9213e-06 deg
node 200.5942719016274 0.00012232 deg
peri 104.8371747024856 0.00013071 deg
M 81.53947753931303 4.3203e-05 deg
tp 2458611.378430763807
(2019-May-07.87843076)
0.00020697 TDB
period 1717.987030975153
4.70
3.3206e-05
9.091e-08
d
yr
n .2095475655573832 4.0502e-09 deg/d
Q 3.025972725292322 3.8991e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      5594 days (15.32 yr)  
   first obs. used      2004-05-13  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60505  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:43  

Additional Information
 Earth MOID = 1.57579 au 
 Jupiter MOID = 2.14298 au 
 T_jup = 3.316 
[ 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 MPO446847  

487834 (2015 TN77)          Discovered 2008-Mar-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TN77 = 2010 TA21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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