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18253 (3295 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2018253
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1407917744407268 4.1739e-08  
a 2.444150381723758 8.6649e-09 au
q 2.100034112480891 1.0058e-07 au
i 6.806433168863371 4.1404e-06 deg
node 159.9009269755737 3.0873e-05 deg
peri 179.8193565471234 3.3887e-05 deg
M 95.20353325187713 1.3324e-05 deg
tp 2458631.402692112077
(2019-May-27.90269211)
5.1719e-05 TDB
period 1395.694322479699
3.82
7.422e-06
2.032e-08
d
yr
n .2579361355861905 1.3716e-09 deg/d
Q 2.788266650966626 9.8849e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1474  
   data-arc span      16932 days (46.36 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51272  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:22:14  

Additional Information
 Earth MOID = 1.09128 au 
 Jupiter MOID = 2.59468 au 
 T_jup = 3.476 
[ 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 14.8   n/a MPO502307  
diameter diameter 2.509 km 0.570 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.256   0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18253 (3295 T-2)          Discovered 1973-Sep-30 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
 3295 T-2 = 1992 RT2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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