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146373 (2001 QM3)
Classification: Main-belt Asteroid          SPK-ID: 2146373
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09228768464539761 4.6551e-08  
a 2.607939842366192 1.8069e-08 au
q 2.367259112619733 1.2624e-07 au
i 14.47311442302431 5.7519e-06 deg
node 137.9976395591587 2.1459e-05 deg
peri 163.8477768387526 4.0079e-05 deg
M 229.5458647757575 3.4869e-05 deg
tp 2459757.942568670344
(2022-Jun-27.44256867)
0.00014947 TDB
period 1538.313249912458
4.21
1.5987e-05
4.377e-08
d
yr
n .2340225568625161 2.4321e-09 deg/d
Q 2.848620572112651 1.9736e-08 au
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      7206 days (19.73 yr)  
   first obs. used      2001-07-27  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58108  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:34:36  

Additional Information
 Earth MOID = 1.35331 au 
 Jupiter MOID = 2.42605 au 
 T_jup = 3.360 
[ 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 15.55   n/a MPCxxxxx  
diameter diameter 2.729 km 0.469 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 17.2279 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.164   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146373 (2001 QM3)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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