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102420 (1999 TC190)
Classification: Main-belt Asteroid          SPK-ID: 2102420
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17830171766519 4.6917e-08  
a 2.625088301032664 1.0417e-08 au
q 2.157030547935745 1.2646e-07 au
i 13.03889987260684 7.3828e-06 deg
node 349.832452130664 1.5374e-05 deg
peri 59.9552720017896 2.5359e-05 deg
M 338.7620560397622 1.8379e-05 deg
tp 2459292.148269992185
(2021-Mar-18.64826999)
7.9448e-05 TDB
period 1553.510888763893
4.25
9.2466e-06
2.532e-08
d
yr
n .2317331681443488 1.3793e-09 deg/d
Q 3.093146054129584 1.2274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      7828 days (21.43 yr)  
   first obs. used      1999-09-07  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50514  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:41:54  

Additional Information
 Earth MOID = 1.19637 au 
 Jupiter MOID = 2.4711 au 
 T_jup = 3.344 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO436480  

102420 (1999 TC190)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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