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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09554771142790518 5.7444e-08  
a 2.469482947492903 9.495e-09 au
q 2.233529503449719 1.386e-07 au
i 2.852310965262155 3.8423e-06 deg
node 285.5653870744715 8.9006e-05 deg
peri 97.11097842321534 9.1663e-05 deg
M 43.02028482827988 2.0151e-05 deg
tp 2459031.113710407395
(2020-Jun-30.61371041)
7.9451e-05 TDB
period 1417.449105619414
3.88
8.175e-06
2.238e-08
d
yr
n .2539773728543733 1.4648e-09 deg/d
Q 2.705436391536088 1.0402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1167  
   data-arc span      17308 days (47.39 yr)  
   first obs. used      1973-09-24  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55021  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:25:58  

Additional Information
 Earth MOID = 1.23739 au 
 Jupiter MOID = 2.70007 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 15.17   n/a MPCxxxxx  
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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