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308554 (2005 UZ307)
Classification: Main-belt Asteroid          SPK-ID: 2308554
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09829546137755581 7.0197e-08  
a 3.163404346790581 4.7324e-08 au
q 2.852456056999035 2.371e-07 au
i 7.921110959958311 8.3046e-06 deg
node 238.4677253036896 5.2521e-05 deg
peri 101.2184147554814 6.6976e-05 deg
M 274.7209255847138 4.4518e-05 deg
tp 2459487.322300968831
(2021-Sep-29.82230097)
0.00025934 TDB
period 2055.08830331963
5.63
4.6116e-05
1.263e-07
d
yr
n .1751749544866194 3.9309e-09 deg/d
Q 3.474352636582126 5.1976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      7116 days (19.48 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57986  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:35:46  

Additional Information
 Earth MOID = 1.85815 au 
 Jupiter MOID = 1.91246 au 
 T_jup = 3.182 
[ 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 15.7   n/a MPO433985  
diameter diameter 4.044 km 0.627 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

308554 (2005 UZ307)          Discovered 2005-Oct-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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