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152439 (2005 UP446)
Classification: Main-belt Asteroid          SPK-ID: 2152439
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06202263454609451 4.0924e-08  
a 2.924829593218964 2.2784e-08 au
q 2.743423956249142 1.1915e-07 au
i 12.16803440873373 5.9667e-06 deg
node 18.06781337258294 1.974e-05 deg
peri 313.5288059997366 5.2188e-05 deg
M 67.50726078520053 4.7644e-05 deg
tp 2458857.892185420925
(2020-Jan-09.39218542)
0.00024204 TDB
period 1827.045147645901
5.00
2.1348e-05
5.845e-08
d
yr
n .1970394658631454 2.3023e-09 deg/d
Q 3.106235230188787 2.4197e-08 au
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      7412 days (20.29 yr)  
   first obs. used      2000-09-24  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54387  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:27:09  

Additional Information
 Earth MOID = 1.74858 au 
 Jupiter MOID = 2.15517 au 
 T_jup = 3.242 
[ 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 15.3   n/a MPO439908  
diameter diameter 5.379 km 0.414 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.462 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.056   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

152439 (2005 UP446)          Discovered 2005-Oct-29 by CSS at Catalina
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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