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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 ]

[ hide orbit diagram ]

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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457700.5 (2016-Nov-08.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07996200745164481 6.7501e-08  
q 2.582062923589248 1.8881e-07 au
tp 2456895.562652122035
(2014-Aug-26.06265212)
0.00019051 TDB
node 200.6278912009853 0.00011501 deg
peri 105.3265837349029 0.00012215 deg
i 3.143271299363446 6.4148e-06 deg
  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
 Jupiter MOID = 2.14198 au 
 T_jup = 3.316 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.556360359606689E-15 -1.257664305609769E-14 -4.898124874882311E-13 -3.362555692435427E-14 -2.416862650770489E-13 -3.303017176027594E-15
q -1.257664305609769E-14 3.565084627051197E-14 6.998219494718321E-14 9.622592127345507E-14 4.843095647818279E-13 9.660118581292048E-15
tp -4.898124874882311E-13 6.998219494718321E-14 3.629240965633438E-8 -6.517872664183029E-12 7.855500709595943E-9 -4.959689970266738E-12
node -3.362555692435427E-14 9.622592127345507E-14 -6.517872664183029E-12 1.322732644943751E-8 -1.320672303035895E-8 -1.236743240565795E-10
peri -2.416862650770489E-13 4.843095647818279E-13 7.855500709595943E-9 -1.320672303035895E-8 1.492090906659563E-8 1.225826683986102E-10
i -3.303017176027594E-15 9.660118581292048E-15 -4.959689970266738E-12 -1.236743240565795E-10 1.225826683986102E-10 4.1149405137693E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.07   n/a MPCxxxxx  

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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