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152797 (1999 TG121)
Classification: Main-belt Asteroid          SPK-ID: 2152797
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1006217309037568 3.2839e-08  
a 2.986384563346528 1.7058e-08 au
q 2.685889379438341 9.6787e-08 au
i 9.114746611786853 3.6726e-06 deg
node 177.4633961263129 2.4437e-05 deg
peri 201.3757705159406 3.312e-05 deg
M 36.19477670696701 2.0735e-05 deg
tp 2459010.977653021037
(2020-Jun-10.47765302)
0.00010894 TDB
period 1885.024611832834
5.16
1.6151e-05
4.422e-08
d
yr
n .1909789388107603 1.6363e-09 deg/d
Q 3.286879747254716 1.8774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      863  
   data-arc span      10950 days (29.98 yr)  
   first obs. used      1991-02-19  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51097  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:42  

Additional Information
 Earth MOID = 1.68796 au 
 Jupiter MOID = 2.18051 au 
 T_jup = 3.231 
[ 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 14.88   n/a E2021B55  

152797 (1999 TG121)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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