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14523 (1997 GV21)
Classification: Main-belt Asteroid          SPK-ID: 2014523
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06007362307838412 3.1777e-08  
a 2.311909014510633 7.5796e-09 au
q 2.173024263781402 7.4985e-08 au
i 7.435946561984291 3.8393e-06 deg
node 58.67120455218408 3.1954e-05 deg
peri 40.18238089937532 5.0715e-05 deg
M 318.0362543786042 3.9924e-05 deg
tp 2459150.167077833518
(2020-Oct-27.66707783)		 0.00014263 TDB
period 1283.968988521244
3.52		 6.3142e-06
1.729e-08		 d
yr
n .2803806035958972 1.3788e-09 deg/d
Q 2.450793765239863 8.0349e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1953  
   data-arc span      10093 days (27.63 yr)  
   first obs. used      1993-03-30  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46438  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:56:53  

Additional Information
 Earth MOID = 1.19509 au 
 Jupiter MOID = 2.64297 au 
 T_jup = 3.570 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457082.5 (2015-Mar-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0596175872056125 3.1644e-08  
q 2.174032497932067 7.4633e-08 au
tp 2456578.887321740583
(2013-Oct-13.38732174)		 0.00014045 TDB
node 58.69056869604551 3.1948e-05 deg
peri 39.35824690733369 5.1064e-05 deg
i 7.437153459269767 3.8403e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1953  
   data-arc span      10093 days (27.63 yr)  
   first obs. used      1993-03-30  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46438  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:56:53  

Additional Information
 Jupiter MOID = 2.64297 au 
 T_jup = 3.570 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.001328691352411E-15 -2.351037392502532E-15 1.539540093932513E-13 9.74606967235209E-16 5.055902875996492E-14 6.303444621298686E-16
q -2.351037392502532E-15 5.57004837827126E-15 -9.435932810372826E-14 -2.805153738305115E-15 -4.037129770906506E-14 -1.1561769536937E-15
tp 1.539540093932513E-13 -9.435932810372826E-14 1.972602592516124E-8 -4.607834147472136E-11 5.612008927234435E-9 8.358843901733862E-12
node 9.74606967235209E-16 -2.805153738305115E-15 -4.607834147472136E-11 1.020694317640349E-9 -1.024725734457953E-9 -2.894794307686345E-11
peri 5.055902875996492E-14 -4.037129770906506E-14 5.612008927234435E-9 -1.024725734457953E-9 2.607577592416743E-9 3.106334672760524E-11
i 6.303444621298686E-16 -1.1561769536937E-15 8.358843901733862E-12 -2.894794307686345E-11 3.106334672760524E-11 1.474790730062281E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO449054  
diameter diameter 3.165 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.63597 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.486   0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14523 (1997 GV21)          Discovered 1997-Apr-06 by LINEAR at Socorro
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 GV21 = 1995 WG3 = 1999 XH165 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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