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JPL Small-Body Database Browser
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49028 (1998 QM99)
Classification: Main-belt Asteroid          SPK-ID: 2049028
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .298769542521355 4.6032e-08  
a 2.418528368902177 7.5741e-09 au
q 1.695945754550354 1.1073e-07 au
i 7.851288731933114 5.5044e-06 deg
node 357.5114940968222 2.5563e-05 deg
peri 328.3010936358858 2.6439e-05 deg
M 186.8560557406424 7.5897e-06 deg
tp 2459261.239106397291
(2021-Feb-15.73910640)
3.0652e-05 TDB
period 1373.805357851372
3.76
6.4535e-06
1.767e-08
d
yr
n .2620458552898929 1.231e-09 deg/d
Q 3.141110983253999 9.837e-09 au
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      13049 days (35.73 yr)  
   first obs. used      1983-07-13  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57574  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:48:55  

Additional Information
 Earth MOID = .689848 au 
 Jupiter MOID = 2.23275 au 
 T_jup = 3.441 
[ 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 15.0   n/a MPO436126  

49028 (1998 QM99)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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