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120198 (2004 DT42)
Classification: Inner Main-belt Asteroid          SPK-ID: 2120198
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170159360197669 3.5419e-08  
a 1.966094194742134 7.1478e-09 au
q 1.736029842241353 7.2745e-08 au
i 22.19898661979345 5.9441e-06 deg
node 182.7694393314091 9.5441e-06 deg
peri 293.4847130619464 2.9391e-05 deg
M 84.29529888709014 2.5801e-05 deg
tp 2458964.720652074489
(2020-Apr-25.22065207)
7.2109e-05 TDB
period 1006.943048708774
2.76
5.4912e-06
1.503e-08
d
yr
n .3575177369381875 1.9497e-09 deg/d
Q 2.196158547242915 7.9843e-09 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      9827 days (26.90 yr)  
   first obs. used      1993-03-25  
   last obs. used      2020-02-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57802  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:58:51  

Additional Information
 Earth MOID = .820002 au 
 Jupiter MOID = 2.90588 au 
 T_jup = 3.777 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.54   n/a E2021B55  

120198 (2004 DT42)          Discovered 2004-Feb-20 by NEAT at Haleakala
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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