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190416 (1999 UH8)
Classification: Main-belt Asteroid          SPK-ID: 2190416
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1740136533843935 6.405e-08  
a 2.702458402460194 2.3302e-08 au
q 2.232193742728744 1.8202e-07 au
i 11.8437659139654 7.5407e-06 deg
node 40.89265427930364 2.8311e-05 deg
peri 324.056224155562 3.5948e-05 deg
M 300.422847569287 2.6927e-05 deg
tp 2459469.043221504479
(2021-Sep-11.54322150)
0.00012381 TDB
period 1622.695207765158
4.44
2.0988e-05
5.746e-08
d
yr
n .2218531232959064 2.8694e-09 deg/d
Q 3.172723062191644 2.7357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      7562 days (20.70 yr)  
   first obs. used      1999-10-08  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63793  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:34  

Additional Information
 Earth MOID = 1.24202 au 
 Jupiter MOID = 2.3181 au 
 T_jup = 3.315 
[ 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 15.66   n/a E2021B55  

190416 (1999 UH8)          Discovered 1999-Oct-29 by CSS at Catalina
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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