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189005 (5176 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2189005
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2900172147419803 5.6035e-08  
a 2.764721772794421 2.1901e-08 au
q 1.962904864712073 1.5087e-07 au
i 8.407300934859549 5.6976e-06 deg
node 103.7559578782901 3.4201e-05 deg
peri 257.4341931211428 3.6326e-05 deg
M 194.3321414062102 1.6945e-05 deg
tp 2460169.200750021946
(2023-Aug-12.70075002)
8.5722e-05 TDB
period 1679.09618901978
4.60
1.9952e-05
5.463e-08
d
yr
n .2144010583516124 2.5476e-09 deg/d
Q 3.56653868087677 2.8253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      15887 days (43.50 yr)  
   first obs. used      1977-10-16  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59974  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:48:55  

Additional Information
 Earth MOID = .979472 au 
 Jupiter MOID = 1.96116 au 
 T_jup = 3.262 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457500.5 (2016-Apr-22.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2891812353057866 5.6023e-08  
q 1.968188054360258 1.5077e-07 au
tp 2456802.817245003770
(2014-May-25.31724500)
6.0133e-05 TDB
node 104.2377216367568 3.4169e-05 deg
peri 256.2543315160866 3.6291e-05 deg
i 8.407342419794581 5.6898e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      15887 days (43.50 yr)  
   first obs. used      1977-10-16  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59974  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:48:55  

Additional Information
 Jupiter MOID = 1.96116 au 
 T_jup = 3.262 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.138601882760828E-15 -8.402607517841774E-15 1.742497529089663E-12 -2.956822423362699E-14 2.457618394113171E-13 -9.713638360280753E-16
q -8.402607517841774E-15 2.273048923793803E-14 -4.369307122505975E-12 8.12856587219236E-14 -5.793556867361044E-13 1.356181739109902E-15
tp 1.742497529089663E-12 -4.369307122505975E-12 3.615952488479019E-9 -3.787802899166492E-11 7.51832813014881E-10 -4.926307874809545E-12
node -2.956822423362699E-14 8.12856587219236E-14 -3.787802899166492E-11 1.167543594187392E-9 -1.160849329431681E-9 -3.813681685716533E-11
peri 2.457618394113171E-13 -5.793556867361044E-13 7.51832813014881E-10 -1.160849329431681E-9 1.317069172315664E-9 3.659922199748072E-11
i -9.713638360280753E-16 1.356181739109902E-15 -4.926307874809545E-12 -3.813681685716533E-11 3.659922199748072E-11 3.237369044349982E-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 16.14   n/a E2021B55  

189005 (5176 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ show close-approach data ]
Alternate Designations
 5176 T-3 = 2000 WU141 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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