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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1408490745869941 4.1217e-08  
a 2.444326186599412 8.1576e-09 au
q 2.100045105228129 9.8877e-08 au
i 6.806908481341968 3.8006e-06 deg
node 159.8960431322649 2.5699e-05 deg
peri 179.8714050499016 2.793e-05 deg
M 146.726219308242 1.1533e-05 deg
tp 2458631.591537340430
(2019-May-28.09153734)
4.4185e-05 TDB
period 1395.844911175604
3.82
6.9877e-06
1.913e-08
d
yr
n .2579083085217555 1.2911e-09 deg/d
Q 2.788607267970695 9.3066e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1694  
   data-arc span      17350 days (47.50 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:42:15  

Additional Information
 Earth MOID = 1.08944 au 
 Jupiter MOID = 2.59462 au 
 T_jup = 3.476 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.81   n/a MPCxxxxx  
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

Alternate Designations
 3295 T-2 = 1992 RT2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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