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175745 (1998 QM49)
Classification: Main-belt Asteroid          SPK-ID: 2175745
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .138183596157822 4.9894e-08  
a 2.408839902893747 1.1328e-08 au
q 2.07597774254343 1.1818e-07 au
i 6.396617665590812 5.0439e-06 deg
node 358.7567534262046 3.3649e-05 deg
peri 340.8414456140058 3.7008e-05 deg
M 349.0156696267373 1.7875e-05 deg
tp 2459242.165962419400
(2021-Jan-27.66596242)
6.793e-05 TDB
period 1365.558569459572
3.74
9.6324e-06
2.637e-08
d
yr
n .2636283847879716 1.8596e-09 deg/d
Q 2.741702063244063 1.2893e-08 au
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      8480 days (23.22 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56212  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:56:21  

Additional Information
 Earth MOID = 1.06695 au 
 Jupiter MOID = 2.63969 au 
 T_jup = 3.499 
[ 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 15.56   n/a E2021B55  

175745 (1998 QM49)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 1998 QM49 = 1997 GN11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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