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18272 (2495 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2018272
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09540615226786636 6.0268e-08  
a 2.469034020213352 1.1697e-08 au
q 2.233472984526334 1.4699e-07 au
i 2.852350815054653 4.1154e-06 deg
node 285.5635260050391 0.00011337 deg
peri 97.05300016388712 0.00011555 deg
M 352.2726276117175 2.2434e-05 deg
tp 2459030.917140152320
(2020-Jun-30.41714015)
8.8338e-05 TDB
period 1417.062606098747
3.88
1.007e-05
2.757e-08
d
yr
n .2540466444112165 1.8053e-09 deg/d
Q 2.704595055900369 1.2813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      943  
   data-arc span      16280 days (44.57 yr)  
   first obs. used      1973-09-24  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58753  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 17:48:05  

Additional Information
 Earth MOID = 1.23864 au 
 Jupiter MOID = 2.70076 au 
 T_jup = 3.477 
[ 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 15.2   n/a MPO384911  
diameter diameter 2.728 km 0.327 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.104   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18272 (2495 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2495 T-3 = 2000 QY174 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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