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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07784218192106092 6.7924e-08  
a 2.807937493486844 3.3426e-08 au
q 2.589361512295873 1.8958e-07 au
i 3.142274070173459 6.4067e-06 deg
node 200.5895411633795 0.00011512 deg
peri 105.0156161388923 0.00012259 deg
M 123.2673595912677 3.9967e-05 deg
tp 2458612.028853949197
(2019-May-08.52885395)		 0.00019115 TDB
period 1718.618888899252
4.71		 3.0688e-05
8.402e-08		 d
yr
n .2094705244573299 3.7404e-09 deg/d
Q 3.026513474677814 3.6028e-08 au
   Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      6055 days (16.58 yr)  
   first obs. used      2004-05-13  
   last obs. used      2020-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59431  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 18:33:06  

Additional Information
 Earth MOID = 1.57466 au 
 Jupiter MOID = 2.14198 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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