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90004 (2002 TT144)
Classification: Main-belt Asteroid          SPK-ID: 2090004
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0849398438709628 3.8231e-08  
a 2.645911530755823 1.668e-08 au
q 2.421168218437043 1.0544e-07 au
i 13.89846173691693 3.6694e-06 deg
node 107.3869262601205 1.8068e-05 deg
peri 336.5234947228992 3.0668e-05 deg
M 351.4423452165793 2.4408e-05 deg
tp 2459037.869188552053
(2020-Jul-07.36918855)
0.00010663 TDB
period 1572.032083463125
4.30
1.4865e-05
4.07e-08
d
yr
n .2290029597913385 2.1655e-09 deg/d
Q 2.870654843074603 1.8097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      743  
   data-arc span      7686 days (21.04 yr)  
   first obs. used      1998-12-22  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54832  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 13:52:11  

Additional Information
 Earth MOID = 1.44305 au 
 Jupiter MOID = 2.30512 au 
 T_jup = 3.346 
[ 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 15.2   n/a MPO502685  

90004 (2002 TT144)          Discovered 2002-Oct-05 by NEAT at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2002 TT144 = 2000 GW85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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