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52180 (2273 T-2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2052180
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1327196952799536 3.5126e-08  
a 3.216504690733006 1.9581e-08 au
q 2.78961116831238 1.1726e-07 au
i 4.554121676533425 4.5155e-06 deg
node 7.691683174911572 4.9864e-05 deg
peri 86.11263050465601 5.4101e-05 deg
M 338.7044411730813 1.8387e-05 deg
tp 2459325.141093592190
(2021-Apr-20.64109359)
0.00010756 TDB
period 2107.049364512069
5.77
1.924e-05
5.268e-08
d
yr
n .1708550383599415 1.5602e-09 deg/d
Q 3.643398213153632 2.218e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1020  
   data-arc span      17311 days (47.39 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54623  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:43:27  

Additional Information
 Earth MOID = 1.81087 au 
 Jupiter MOID = 1.55686 au 
 T_jup = 3.171 
[ 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 14.53   n/a E2021B10  
diameter diameter 6.112 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.099   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52180 (2273 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
 2273 T-2 = 1999 FS52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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