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385020 (2012 TV277)
Classification: Main-belt Asteroid          SPK-ID: 2385020
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02557621930153645 4.8601e-08  
a 2.880305315243469 3.2026e-08 au
q 2.806637994845421 1.3317e-07 au
i 5.522861250237507 5.2441e-06 deg
node 337.2115840517677 5.3211e-05 deg
peri 200.9591911128468 0.00011502 deg
M 131.2819221200191 0.00010155 deg
tp 2458745.383589111289
(2019-Sep-18.88358911)
0.0005039 TDB
period 1785.485039635872
4.89
2.9779e-05
8.153e-08
d
yr
n .2016258842882367 3.3628e-09 deg/d
Q 2.953972635641517 3.2845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      7785 days (21.31 yr)  
   first obs. used      2000-04-10  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55411  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 20:32:30  

Additional Information
 Earth MOID = 1.81175 au 
 Jupiter MOID = 2.0175 au 
 T_jup = 3.287 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458011.5 (2017-Sep-15.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02605751759072143 4.8717e-08  
q 2.802418988150313 1.339e-07 au
tp 2458722.304271838516
(2019-Aug-26.80427184)
0.00049335 TDB
node 337.2594253350283 5.3293e-05 deg
peri 196.0200519310295 0.0001132 deg
i 5.520398626802868 5.2411e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      7785 days (21.31 yr)  
   first obs. used      2000-04-10  
   last obs. used      2021-08-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55411  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 20:32:30  

Additional Information
 Jupiter MOID = 2.0175 au 
 T_jup = 3.287 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.373376253378913E-15 -6.3610315444252E-15 -8.445107429544476E-13 3.130479728334569E-15 -2.338352727725285E-13 -1.619680728238641E-15
q -6.3610315444252E-15 1.792891784184132E-14 2.541413676047175E-12 -9.518616394794117E-15 6.134957684715835E-13 5.292798430676257E-15
tp -8.445107429544476E-13 2.541413676047175E-12 2.43396699155218E-7 1.265948313602244E-10 4.928719489521361E-8 -1.176534344565932E-11
node 3.130479728334569E-15 -9.518616394794117E-15 1.265948313602244E-10 2.840149693874069E-9 -2.800795060319453E-9 -1.322671045819759E-11
peri -2.338352727725285E-13 6.134957684715835E-13 4.928719489521361E-8 -2.800795060319453E-9 1.281423175333092E-8 1.073530818182349E-11
i -1.619680728238641E-15 5.292798430676257E-15 -1.176534344565932E-11 -1.322671045819759E-11 1.073530818182349E-11 2.746878492789219E-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 16.57   n/a MPO639048  

385020 (2012 TV277)          Discovered 2007-Sep-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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