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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 | Close-Approach Data ]

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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09228768481458571 4.8213e-08  
a 2.607939835692249 2.0002e-08 au
q 2.36725910612048 1.2868e-07 au
i 14.47311301437111 6.0015e-06 deg
node 137.9976437486971 2.2161e-05 deg
peri 163.8477739550013 4.0641e-05 deg
M 229.5458645810016 3.4893e-05 deg
tp 2459757.942567362738
(2022-Jun-27.44256736)
0.00014952 TDB
period 1538.313244007443
4.21
1.7698e-05
4.845e-08
d
yr
n .234022557760842 2.6924e-09 deg/d
Q 2.848620565264017 2.1848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      7121 days (19.50 yr)  
   first obs. used      2001-07-27  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60269  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:29:34  

Additional Information
 Earth MOID = 1.35331 au 
 Jupiter MOID = 2.42605 au 
 T_jup = 3.360 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456969.5 (2014-Nov-08.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09368323310655181 4.8284e-08  
q 2.362838436716187 1.2903e-07 au
tp 2456679.460805777369
(2014-Jan-21.96080578)
0.00014812 TDB
node 138.0722948141843 2.2136e-05 deg
peri 163.3313410525974 4.0191e-05 deg
i 14.48315206705266 6.006e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      7121 days (19.50 yr)  
   first obs. used      2001-07-27  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60269  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:29:34  

Additional Information
 Jupiter MOID = 2.42605 au 
 T_jup = 3.360 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.331347808776573E-15 -6.169853052463229E-15 1.780625570091803E-12 7.905012441902467E-15 4.172185890757418E-13 -4.959782328453713E-16
q -6.169853052463229E-15 1.66495951186178E-14 -5.038488798902024E-12 -2.122795674368632E-14 -1.167403286655999E-12 2.844465330010119E-15
tp 1.780625570091803E-12 -5.038488798902024E-12 2.193834277511593E-8 2.343443617743257E-11 5.00127478795851E-9 1.68274539187808E-11
node 7.905012441902467E-15 -2.122795674368632E-14 2.343443617743257E-11 4.900087244774711E-10 -4.686743285636706E-10 3.287943794078357E-11
peri 4.172185890757418E-13 -1.167403286655999E-12 5.00127478795851E-9 -4.686743285636706E-10 1.615303661805841E-9 -2.800868807966545E-11
i -4.959782328453713E-16 2.844465330010119E-15 1.68274539187808E-11 3.287943794078357E-11 -2.800868807966545E-11 3.607252791403081E-11

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 15.54   n/a E2021B55  
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

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