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190346 (1998 UG33)
Classification: Mars-crossing Asteroid          SPK-ID: 2190346
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2859573703746067 7.3427e-08  
a 2.25558341288525 9.9463e-09 au
q 1.610582711476003 1.6418e-07 au
i 7.20102162989753 4.923e-06 deg
node 47.28908168481792 3.6695e-05 deg
peri 302.6158798775107 3.7556e-05 deg
M 210.3985764842842 1.0356e-05 deg
tp 2459714.685695410244
(2022-May-15.18569541)
3.7737e-05 TDB
period 1237.333482513569
3.39
8.1843e-06
2.241e-08
d
yr
n .2909482407836257 1.9245e-09 deg/d
Q 2.900584114294497 1.279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      8177 days (22.39 yr)  
   first obs. used      1998-09-21  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53353  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:15  

Additional Information
 Earth MOID = .618026 au 
 Jupiter MOID = 2.55982 au 
 T_jup = 3.559 
[ 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 16.47   n/a E2021B55  

190346 (1998 UG33)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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