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185505 (2007 TU251)
Classification: Main-belt Asteroid          SPK-ID: 2185505
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1600969142264525 6.8912e-08  
a 2.661534038501715 2.4537e-08 au
q 2.235430651828922 1.9415e-07 au
i 8.754808153201253 7.3568e-06 deg
node 320.2723715293766 3.1406e-05 deg
peri 342.8850824157313 3.5976e-05 deg
M 35.42331598814319 1.7661e-05 deg
tp 2458844.443027829101
(2019-Dec-26.94302783)
7.6872e-05 TDB
period 1585.975463175957
4.34
2.1932e-05
6.005e-08
d
yr
n .226989640356157 3.1389e-09 deg/d
Q 3.087637425174508 2.8465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      8559 days (23.43 yr)  
   first obs. used      1996-01-18  
   last obs. used      2019-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57515  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 22:35:14  

Additional Information
 Earth MOID = 1.22201 au 
 Jupiter MOID = 2.17217 au 
 T_jup = 3.351 
[ 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 15.8   n/a MPO436916  
diameter diameter 3.605 km 0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185505 (2007 TU251)          Discovered 2007-Oct-12 by LONEOS at Anderson Mesa
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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