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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07784218170711989 6.7924e-08  
a 2.807937492682957 3.3426e-08 au
q 2.589361512155296 1.8958e-07 au
i 3.142274061998384 6.4067e-06 deg
node 200.5895412094292 0.00011512 deg
peri 105.0156163286115 0.00012259 deg
M 123.2673594230175 3.9967e-05 deg
tp 2458612.028855005124
(2019-May-08.52885501)
0.00019115 TDB
period 1718.618888161215
4.71
3.0688e-05
8.402e-08
d
yr
n .2094705245472842 3.7404e-09 deg/d
Q 3.026513473210619 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59439  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:22:51  

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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