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344110 (1999 TR305)
Classification: Main-belt Asteroid          SPK-ID: 2344110
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2149414896978849 5.325e-08  
a 2.603611394090633 1.4794e-08 au
q 2.043987282450405 1.3828e-07 au
i 11.8483142267783 7.2469e-06 deg
node 252.6739091099583 2.6618e-05 deg
peri 94.22585370631998 3.1415e-05 deg
M 347.1476274759338 1.6705e-05 deg
tp 2459055.282705473618
(2020-Jul-24.78270547)
7.1341e-05 TDB
period 1534.485086980874
4.20
1.3079e-05
3.581e-08
d
yr
n .234606385591082 1.9996e-09 deg/d
Q 3.163235505730861 1.7974e-08 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      7679 days (21.02 yr)  
   first obs. used      1999-09-13  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5147  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 23:22:39  

Additional Information
 Earth MOID = 1.07854 au 
 Jupiter MOID = 2.42171 au 
 T_jup = 3.351 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457611.5 (2016-Aug-11.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2160476962390287 5.3514e-08  
q 2.0407054718967 1.3932e-07 au
tp 2457522.714146940261
(2016-May-14.21414694)
6.8635e-05 TDB
node 252.6854881723904 2.6617e-05 deg
peri 94.57260038107198 3.1364e-05 deg
i 11.85034590123792 7.2513e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      7679 days (21.02 yr)  
   first obs. used      1999-09-13  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5147  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 23:22:39  

Additional Information
 Jupiter MOID = 2.42171 au 
 T_jup = 3.351 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.863751519142809E-15 -7.430137007803202E-15 1.946985612825892E-12 1.823907769443633E-14 5.202016871309914E-13 -1.909985595749447E-14
q -7.430137007803202E-15 1.940899478800041E-14 -5.009213503402845E-12 -4.772083736108408E-14 -1.339632163094548E-12 4.858622310597095E-14
tp 1.946985612825892E-12 -5.009213503402845E-12 4.710746551711893E-9 2.772814987212085E-11 1.164314046441861E-9 -2.70921891606197E-11
node 1.823907769443633E-14 -4.772083736108408E-14 2.772814987212085E-11 7.084838844760551E-10 -6.863077570334081E-10 -7.790950024109917E-11
peri 5.202016871309914E-13 -1.339632163094548E-12 1.164314046441861E-9 -6.863077570334081E-10 9.83719531524948E-10 6.963294300756451E-11
i -1.909985595749447E-14 4.858622310597095E-14 -2.70921891606197E-11 -7.790950024109917E-11 6.963294300756451E-11 5.258153547424104E-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 16.3   n/a MPO434164  

344110 (1999 TR305)          Discovered 1999-Oct-03 by CSS at Catalina
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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