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JPL Small-Body Database Browser
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74898 (1999 TL123)
Classification: Main-belt Asteroid          SPK-ID: 2074898
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1410356487436333 3.9399e-08  
a 2.382651550155062 9.8791e-09 au
q 2.046612743048919 9.4794e-08 au
i 6.787082194447519 4.8416e-06 deg
node 162.8225739203639 3.1216e-05 deg
peri 204.4912579200433 3.4491e-05 deg
M 121.925358907046 1.5859e-05 deg
tp 2458145.532086258024
(2018-Jan-27.03208626)
5.8059e-05 TDB
period 1343.350148117923
3.68
8.3548e-06
2.287e-08
d
yr
n .2679867199958043 1.6667e-09 deg/d
Q 2.718690357261204 1.1272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1328  
   data-arc span      7678 days (21.02 yr)  
   first obs. used      1998-04-24  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50935  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:23:47  

Additional Information
 Earth MOID = 1.04595 au 
 Jupiter MOID = 2.73679 au 
 T_jup = 3.514 
[ 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 15.0   n/a MPO333438  

74898 (1999 TL123)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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