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192558 (1998 UM44)
Classification: Main-belt Asteroid          SPK-ID: 2192558
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09598963157797843 1.026e-07  
a 3.003878171029709 4.3052e-08 AU
q 2.715537012087435 3.1468e-07 AU
i 9.608046801567127 1.1202e-05 deg
node 215.8485995573022 6.0406e-05 deg
peri 150.5217973442555 8.9025e-05 deg
M 58.73916294808195 6.2252e-05 deg
tp 2456690.224737392032
(2014-Feb-01.72473739)
0.00032695 JED
period 1901.611955852969
5.21
4.0882e-05
1.119e-07
d
yr
n .1893130714139425 4.0699e-09 deg/d
Q 3.292219329971982 4.7185e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      7701 days (21.08 yr)  
   first obs. used      1993-11-20  
   last obs. used      2014-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .65872  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 09:15:50  

Additional Information
 Earth MOID = 1.71989 AU 
 T_jup = 3.224 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2 mag n/a MPO268177  

192558 (1998 UM44)          Discovered 1998-Oct-17 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1998 UM44 = 2003 RG7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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