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312346 (2008 DT2)
Classification: Main-belt Asteroid          SPK-ID: 2312346
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .009122383443772036 4.9066e-08  
a 2.643536832809759 2.2757e-08 au
q 2.619421476173134 1.365e-07 au
i 3.713729798836638 4.746e-06 deg
node 117.5241396306713 8.3019e-05 deg
peri 106.3751456626308 0.000298 deg
M 271.3267538693894 0.00028808 deg
tp 2459587.193241988253
(2022-Jan-07.69324199)
0.0012571 TDB
period 1569.916217014581
4.30
2.0272e-05
5.55e-08
d
yr
n .2293116002614401 2.961e-09 deg/d
Q 2.667652189446385 2.2964e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      6715 days (18.38 yr)  
   first obs. used      2002-11-25  
   last obs. used      2021-04-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55204  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:50:48  

Additional Information
 Earth MOID = 1.6081 au 
 Jupiter MOID = 2.29393 au 
 T_jup = 3.391 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457509.5 (2016-May-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01032267526154029 4.7236e-08  
q 2.615121659787256 1.3151e-07 au
tp 2458050.885322826410
(2017-Oct-24.38532283)
0.0011577 TDB
node 117.5959106664904 8.3036e-05 deg
peri 114.0788557846999 0.00027701 deg
i 3.713775487209749 4.7469e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      6715 days (18.38 yr)  
   first obs. used      2002-11-25  
   last obs. used      2021-04-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55204  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:50:48  

Additional Information
 Jupiter MOID = 2.29393 au 
 T_jup = 3.391 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.23125509187662E-15 -6.125051960835776E-15 -1.550304483097653E-11 1.953469251109117E-14 -3.514482627638326E-12 3.217974425614687E-16
q -6.125051960835776E-15 1.729521899351264E-14 4.567016811900984E-11 -5.484961894262102E-14 1.03237560351862E-11 -4.317061365710252E-16
tp -1.550304483097653E-11 4.567016811900984E-11 1.340227206693342E-6 -1.114093631667939E-10 3.059674366445334E-7 2.501583366843233E-11
node 1.953469251109117E-14 -5.484961894262102E-14 -1.114093631667939E-10 6.895059337900352E-9 -6.905228755785222E-9 5.705615893742667E-11
peri -3.514482627638326E-12 1.03237560351862E-11 3.059674366445334E-7 -6.905228755785222E-9 7.673185523564228E-8 -5.123825530546083E-11
i 3.217974425614687E-16 -4.317061365710252E-16 2.501583366843233E-11 5.705615893742667E-11 -5.123825530546083E-11 2.253331531217555E-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 17.05   n/a MPCxxxxx  

312346 (2008 DT2)          Discovered 2008-Feb-24 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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