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487977 (2015 TE308)
Classification: Main-belt Asteroid          SPK-ID: 2487977
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1786424926757655 6.5878e-08  
a 2.727487713865659 5.5535e-08 au
q 2.240242509918172 1.8647e-07 au
i 16.92265515394116 6.4918e-06 deg
node 96.90884317463554 2.3788e-05 deg
peri 277.8436743743899 3.0836e-05 deg
M 59.30872584857127 2.0521e-05 deg
tp 2458929.444187580789
(2020-Mar-20.94418758)		 8.9761e-05 TDB
period 1645.290656219125
4.50		 5.025e-05
1.376e-07		 d
yr
n .2188063237575781 6.6827e-09 deg/d
Q 3.214732917813145 6.5456e-08 au
   Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      5689 days (15.58 yr)  
   first obs. used      2005-06-08  
   last obs. used      2021-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53054  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 20:51:21  

Additional Information
 Earth MOID = 1.31474 au 
 Jupiter MOID = 2.43565 au 
 T_jup = 3.271 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457418.5 (2016-Jan-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1808878858026464 6.622e-08  
q 2.233062745796638 1.8741e-07 au
tp 2457281.047027711866
(2015-Sep-15.54702771)		 7.8112e-05 TDB
node 97.0494837925357 2.3864e-05 deg
peri 277.0981838204422 3.0574e-05 deg
i 16.90037818578801 6.4851e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      5689 days (15.58 yr)  
   first obs. used      2005-06-08  
   last obs. used      2021-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53054  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 20:51:21  

Additional Information
 Jupiter MOID = 2.43565 au 
 T_jup = 3.271 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.385136485055059E-15 -1.20403862642159E-14 1.589782904401282E-12 -1.651340663039562E-14 4.697373076016162E-13 -4.174238450509581E-14
q -1.20403862642159E-14 3.512363185401058E-14 -4.756599861981854E-12 4.274960753439363E-14 -1.343990981993962E-12 1.260415868640211E-13
tp 1.589782904401282E-12 -4.756599861981854E-12 6.10153601708244E-9 3.297018347232995E-11 1.544820973946077E-9 -3.073052223897546E-11
node -1.651340663039562E-14 4.274960753439363E-14 3.297018347232995E-11 5.694743773997927E-10 -5.360821683196289E-10 -3.75598293384783E-11
peri 4.697373076016162E-13 -1.343990981993962E-12 1.544820973946077E-9 -5.360821683196289E-10 9.347584901866883E-10 2.790917510682107E-11
i -4.174238450509581E-14 1.260415868640211E-13 -3.073052223897546E-11 -3.75598293384783E-11 2.790917510682107E-11 4.205625421014011E-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 16.7   n/a MPO477321  

487977 (2015 TE308)          Discovered 2014-May-06 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TE308 = 2014 NL17 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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