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277451 (2005 UT504)
Classification: Main-belt Asteroid          SPK-ID: 2277451
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02412937464285303 5.4353e-08  
a 2.775208448649797 3.1578e-08 au
q 2.708244404280315 1.524e-07 au
i 5.510433093489309 6.7305e-06 deg
node 130.0823992814485 6.8436e-05 deg
peri 320.3370385633323 0.00018082 deg
M 104.4754287740803 0.00016859 deg
tp 2458510.435208697753
(2019-Jan-26.93520870)
0.00078927 TDB
period 1688.658538557523
4.62
2.8822e-05
7.891e-08
d
yr
n .2131869716582947 3.6387e-09 deg/d
Q 2.842172493019278 3.234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      7034 days (19.26 yr)  
   first obs. used      2001-01-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6387  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:26:43  

Additional Information
 Earth MOID = 1.72758 au 
 Jupiter MOID = 2.1917 au 
 T_jup = 3.328 
[ 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 16.6   n/a MPO418474  
diameter diameter 2.958 km 0.871 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277451 (2005 UT504)          Discovered 2005-Oct-24 by Tholen, D. J. at Mauna Kea
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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