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JPL Small-Body Database Browser
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172924 (2005 GE144)
Classification: Main-belt Asteroid          SPK-ID: 2172924
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1466127164184154 4.1861e-08  
a 3.122725353664954 3.2102e-08 au
q 2.664894106935478 1.3316e-07 au
i 6.917907502118488 4.8093e-06 deg
node 95.28182480811198 4.6917e-05 deg
peri 201.2697621842354 5.0818e-05 deg
M 201.8346286003008 2.205e-05 deg
tp 2459886.039658400972
(2022-Nov-02.53965840)
0.00012939 TDB
period 2015.575686404364
5.52
3.1081e-05
8.51e-08
d
yr
n .1786090209503435 2.7542e-09 deg/d
Q 3.58055660039443 3.6809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      6711 days (18.37 yr)  
   first obs. used      2001-09-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56517  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:55:56  

Additional Information
 Earth MOID = 1.65037 au 
 Jupiter MOID = 1.62103 au 
 T_jup = 3.188 
[ 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 14.9   n/a MPO422659  
diameter diameter 5.643 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.643 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.067   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172924 (2005 GE144)          Discovered 2005-Apr-10 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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