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18264 (5184 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2018264
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1095018759173236 4.3026e-08  
a 3.081588557873676 2.0414e-08 au
q 2.744148829981148 1.3437e-07 au
i 9.20046473894708 4.9663e-06 deg
node 227.6232548796484 2.4581e-05 deg
peri 180.7674172475582 3.2267e-05 deg
M 226.8201237147346 2.3906e-05 deg
tp 2459931.464882101580
(2022-Dec-17.96488210)
0.00013616 TDB
period 1975.879276182229
5.41
1.9634e-05
5.375e-08
d
yr
n .1821973661749152 1.8104e-09 deg/d
Q 3.419028285766203 2.2649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      918  
   data-arc span      17070 days (46.74 yr)  
   first obs. used      1973-09-24  
   last obs. used      2020-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5846  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:25:52  

Additional Information
 Earth MOID = 1.75332 au 
 Jupiter MOID = 1.95839 au 
 T_jup = 3.199 
[ 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 14.48   n/a E2021B10  
diameter diameter 4.696 km 1.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.116   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18264 (5184 T-2)          Discovered 1973-Sep-25 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
 5184 T-2 = 1995 WQ10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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