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22930 (1999 TN128)
Classification: Main-belt Asteroid          SPK-ID: 2022930
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2160689233231671 3.713e-08  
a 2.185904516255451 6.8317e-09 au
q 1.713598480940888 8.2737e-08 au
i 6.246313805091388 3.9856e-06 deg
node 355.3862722604076 2.7299e-05 deg
peri 318.9211373128282 2.8186e-05 deg
M 256.7495793381086 7.2343e-06 deg
tp 2459539.059135354688
(2021-Nov-20.55913535)
2.4181e-05 TDB
period 1180.44350760377
3.23
5.5339e-06
1.515e-08
d
yr
n .3049701215526854 1.4297e-09 deg/d
Q 2.658210551570015 8.3078e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1080  
   data-arc span      22043 days (60.35 yr)  
   first obs. used      1960-10-17  
   last obs. used      2021-02-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50648  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:52  

Additional Information
 Earth MOID = .704214 au 
 Jupiter MOID = 2.64816 au 
 T_jup = 3.639 
[ 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 15.66   n/a E2021B10  

22930 (1999 TN128)          Discovered 1999-Oct-05 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TN128 = 1986 UK3 = 1998 FG35 = 1998 FV138 = 9055 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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