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442143 (2010 UF99)
Classification: Main-belt Asteroid          SPK-ID: 2442143
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713176503737711 1.4072e-07  
a 3.1055236524847 9.7454e-08 au
q 2.57349263716085 4.8008e-07 au
i 4.265042861444403 9.2001e-06 deg
node 236.9329851499347 0.00011087 deg
peri 126.5534851114415 0.0001146 deg
M 303.7150180012531 2.8833e-05 deg
tp 2459313.029285860048
(2021-Apr-08.52928586)
0.00016973 TDB
period 1998.944281657976
5.47
9.4093e-05
2.576e-07
d
yr
n .1800950648316254 8.4773e-09 deg/d
Q 3.637554667808551 1.1415e-07 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      3181 days (8.71 yr)  
   first obs. used      2010-09-11  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65585  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:40:00  

Additional Information
 Earth MOID = 1.57433 au 
 Jupiter MOID = 1.85823 au 
 T_jup = 3.194 
[ 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 16.5   n/a MPO477086  

442143 (2010 UF99)          Discovered 2010-Sep-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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