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JPL Small-Body Database Browser
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46836 (1998 QM12)
Classification: Main-belt Asteroid          SPK-ID: 2046836
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082983870890411 3.5894e-08  
a 2.380483797605468 9.4184e-09 au
q 2.122681241833201 8.7363e-08 au
i 7.598393442867506 4.3419e-06 deg
node 182.6841877871189 2.8731e-05 deg
peri 74.72320768336635 3.5322e-05 deg
M 31.33985269951765 2.242e-05 deg
tp 2458883.714016673843
(2020-Feb-04.21401667)
8.3308e-05 TDB
period 1341.517281543048
3.67
7.9616e-06
2.18e-08
d
yr
n .2683528605654029 1.5926e-09 deg/d
Q 2.638286353377736 1.0438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1487  
   data-arc span      10459 days (28.64 yr)  
   first obs. used      1991-09-09  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55301  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:35:34  

Additional Information
 Earth MOID = 1.12346 au 
 Jupiter MOID = 2.41233 au 
 T_jup = 3.519 
[ 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 14.6   n/a MPO436109  

46836 (1998 QM12)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QM12 = 2000 AM171 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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