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213093 (1999 UM47)
Classification: Main-belt Asteroid          SPK-ID: 2213093
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1655911228045258 7.205e-08  
a 2.728149239754959 1.9134e-08 au
q 2.276391943965622 1.9531e-07 au
i 13.46487618888186 1.2027e-05 deg
node 41.61413244373392 1.7562e-05 deg
peri 50.1050392325706 3.866e-05 deg
M 215.030625128179 3.1406e-05 deg
tp 2459863.287605809205
(2022-Oct-10.78760581)
0.00014424 TDB
period 1645.889266628088
4.51
1.7316e-05
4.741e-08
d
yr
n .2187267438334581 2.3011e-09 deg/d
Q 3.179906535544296 2.2303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      7209 days (19.74 yr)  
   first obs. used      1999-10-29  
   last obs. used      2019-07-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58547  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:18  

Additional Information
 Earth MOID = 1.31623 au 
 Jupiter MOID = 2.18928 au 
 T_jup = 3.296 
[ 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 16.2   n/a MPO475752  

213093 (1999 UM47)          Discovered 1999-Oct-29 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 1999 UM47 = 2008 SR143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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