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52177 (2235 T-2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2052177
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1516948299800181 5.2366e-08  
a 3.219213031873112 2.2933e-08 au
q 2.730875058333662 1.7059e-07 au
i 2.087763565692303 6.266e-06 deg
node 174.4456071233596 0.00011579 deg
peri 195.1919283930021 0.00011703 deg
M 67.21020892612991 1.4982e-05 deg
tp 2458806.627420544752
(2019-Nov-19.12742054)
8.819e-05 TDB
period 2109.711171404537
5.78
2.2544e-05
6.172e-08
d
yr
n .1706394718288999 1.8234e-09 deg/d
Q 3.707551005412562 2.6412e-08 au
  Orbit Determination Parameters
   # obs. used (total)      647  
   data-arc span      17347 days (47.49 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53516  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:17:15  

Additional Information
 Earth MOID = 1.7289 au 
 Jupiter MOID = 1.75698 au 
 T_jup = 3.170 
[ 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 14.82   n/a MPCxxxxx  
diameter diameter 7.113 km 0.736 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52177 (2235 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2235 T-2 = 1996 TR15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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