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JPL Small-Body Database Browser
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212177 (2005 GT74)
Classification: Main-belt Asteroid          SPK-ID: 2212177
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .151879427448285 1.3498e-07  
a 2.555426306656129 3.7286e-08 au
q 2.16730962231491 3.4502e-07 au
i 29.10133980186555 1.3062e-05 deg
node 26.19864827601316 2.2025e-05 deg
peri 303.4244753141866 4.9828e-05 deg
M 31.03938915071947 6.1433e-05 deg
tp 2458471.851675649180
(2018-Dec-19.35167565)
0.00025303 TDB
period 1492.084671557447
4.09
3.2656e-05
8.941e-08
d
yr
n .2412731709281818 5.2805e-09 deg/d
Q 2.943542990997347 4.2949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2001-03-26  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:52:00  

Additional Information
 Earth MOID = 1.24642 au 
 Jupiter MOID = 2.64197 au 
 T_jup = 3.247 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456871.5 (2014-Aug-02.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .153652356843979 1.3556e-07  
q 2.162621973615048 3.4712e-07 au
tp 2456979.183350287408
(2014-Nov-17.68335029)
0.00023342 TDB
node 26.21883552230857 2.2034e-05 deg
peri 303.3082264599935 4.9315e-05 deg
i 29.10346228513216 1.3074e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2001-03-26  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:52:00  

Additional Information
 Jupiter MOID = 2.64197 au 
 T_jup = 3.247 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.837647286445834E-14 -4.685990249629768E-14 7.384282143207794E-12 6.324534072752148E-14 1.692652472274425E-12 8.973015273425066E-14
q -4.685990249629768E-14 1.204889704030636E-13 -1.549376964981079E-11 -1.607193668789174E-13 -3.691941373944947E-12 -2.198505288920843E-13
tp 7.384282143207794E-12 -1.549376964981079E-11 5.448534894136143E-8 1.970669264843217E-10 1.047388818247301E-8 2.974340600889438E-11
node 6.324534072752148E-14 -1.607193668789174E-13 1.970669264843217E-10 4.855043487658305E-10 -3.858384212968332E-10 -1.802296592818888E-10
peri 1.692652472274425E-12 -3.691941373944947E-12 1.047388818247301E-8 -3.858384212968332E-10 2.431947232831879E-9 1.653380499063078E-10
i 8.973015273425066E-14 -2.198505288920843E-13 2.974340600889438E-11 -1.802296592818888E-10 1.653380499063078E-10 1.709308398640565E-10

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 15.5   n/a MPO454523  
diameter diameter 5.148 km 0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212177 (2005 GT74)          Discovered 2005-Apr-05 by NEAT at Palomar
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 GT74 = 2006 PH43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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