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186154 (2001 UW99)
Classification: Main-belt Asteroid          SPK-ID: 2186154
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0450544731569975 5.1176e-08  
a 2.70849745924037 1.8182e-08 au
q 2.586467533167228 1.4534e-07 au
i 11.85682479832493 5.4507e-06 deg
node 206.6199598275265 1.7532e-05 deg
peri 352.4729568871919 4.554e-05 deg
M 309.9347985602078 4.11e-05 deg
tp 2459426.925086747068
(2021-Jul-31.42508675)
0.00018549 TDB
period 1628.13748641301
4.46
1.6394e-05
4.488e-08
d
yr
n .2211115480137522 2.2264e-09 deg/d
Q 2.830527385313511 1.9001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      476  
   data-arc span      7129 days (19.52 yr)  
   first obs. used      2001-10-11  
   last obs. used      2021-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51222  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:13:48  

Additional Information
 Earth MOID = 1.5826 au 
 Jupiter MOID = 2.13103 au 
 T_jup = 3.332 
[ 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 15.67   n/a MPCxxxxx  

186154 (2001 UW99)          Discovered 2001-Oct-17 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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