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JPL Small-Body Database Browser
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172445 (2003 QM57)
Classification: Main-belt Asteroid          SPK-ID: 2172445
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2222501573522868 5.3253e-08  
a 2.29056177363992 9.564e-09 au
q 1.781484059023315 1.2119e-07 au
i 1.573404557502828 4.9025e-06 deg
node 48.66093918187511 0.00017574 deg
peri 326.0208948388175 0.00017601 deg
M 271.4495332411097 8.8411e-06 deg
tp 2459311.958217548654
(2021-Apr-07.45821755)
3.1534e-05 TDB
period 1266.226621061352
3.47
7.9305e-06
2.171e-08
d
yr
n .2843092966235757 1.7807e-09 deg/d
Q 2.799639488256525 1.169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      6701 days (18.35 yr)  
   first obs. used      2000-11-29  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58838  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:12:34  

Additional Information
 Earth MOID = .782733 au 
 Jupiter MOID = 2.66332 au 
 T_jup = 3.565 
[ 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 16.7   n/a MPO469847  

172445 (2003 QM57)          Discovered 2003-Aug-23 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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