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213084 (1999 TN169)
Classification: Mars-crossing Asteroid          SPK-ID: 2213084
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2881800683332173 4.3376e-08  
a 2.328398606123256 9.118e-09 au
q 1.657400536703688 1.0331e-07 au
i 5.545794170284839 5.2506e-06 deg
node 214.2592365343719 5.0817e-05 deg
peri 89.06500093442047 5.1669e-05 deg
M 33.18842338559696 8.8027e-06 deg
tp 2459080.862165416623
(2020-Aug-19.36216542)
3.1435e-05 TDB
period 1297.730234112511
3.55
7.6229e-06
2.087e-08
d
yr
n .2774074230043627 1.6295e-09 deg/d
Q 2.999396675542825 1.1746e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      7735 days (21.18 yr)  
   first obs. used      1999-09-30  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52456  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:16  

Additional Information
 Earth MOID = .652312 au 
 Jupiter MOID = 2.28765 au 
 T_jup = 3.510 
[ 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 17.36   n/a E2021B55  

213084 (1999 TN169)          Discovered 1999-Oct-10 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1999 TN169 = 2002 JH68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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