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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082293855278326 2.8188e-08  
a 2.379465969654026 7.225e-09 au
q 2.121937829873982 6.5101e-08 au
i 7.600872506383562 3.5247e-06 deg
node 182.6679820352286 2.3718e-05 deg
peri 74.50374689462068 3.0177e-05 deg
M 85.24926928658161 1.7887e-05 deg
tp 2458883.027700038723
(2020-Feb-03.52770004)
6.6683e-05 TDB
period 1340.65698090446
3.67
6.1061e-06
1.672e-08
d
yr
n .2685250628069902 1.223e-09 deg/d
Q 2.636994109434069 8.0069e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1940  
   data-arc span      10725 days (29.36 yr)  
   first obs. used      1991-09-09  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51238  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:50  

Additional Information
 Earth MOID = 1.12114 au 
 Jupiter MOID = 2.41179 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 14.66   n/a E2021B10  

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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