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181697 (5185 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2181697
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875532348804193 6.133e-08  
a 3.199576960822553 2.8789e-08 au
q 2.599485951571423 2.0259e-07 au
i 8.379470033696499 7.105e-06 deg
node 132.3445212940819 3.6067e-05 deg
peri 235.062035770948 3.9163e-05 deg
M 186.509510834241 1.6425e-05 deg
tp 2460207.919699557333
(2023-Sep-20.41969956)
0.00010277 TDB
period 2090.437888466215
5.72
2.8214e-05
7.725e-08
d
yr
n .1722127225048228 2.3243e-09 deg/d
Q 3.799667970073683 3.4189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      374  
   data-arc span      15856 days (43.41 yr)  
   first obs. used      1977-10-16  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51839  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:39  

Additional Information
 Earth MOID = 1.60736 au 
 Jupiter MOID = 1.70671 au 
 T_jup = 3.150 
[ 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 15.33   n/a E2021B55  
diameter diameter 6.867 km 0.525 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.028   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

181697 (5185 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 5185 T-3 = 2000 SC234 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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