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308514 (2005 UM34)
Classification: Main-belt Asteroid          SPK-ID: 2308514
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09259762431265706 5.6632e-08  
a 3.125799981019277 3.9572e-08 au
q 2.836358328700344 1.662e-07 au
i 10.63971016058732 6.9757e-06 deg
node 50.20019674964153 3.2491e-05 deg
peri 51.16460067087807 5.1068e-05 deg
M 189.3600854906402 4.1381e-05 deg
tp 2459957.293744545856
(2023-Jan-12.79374455)
0.0002397 TDB
period 2018.553214978404
5.53
3.8332e-05
1.049e-07
d
yr
n .1783455582585924 3.3867e-09 deg/d
Q 3.415241633338211 4.3236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      5349 days (14.64 yr)  
   first obs. used      2005-10-24  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56341  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:24:31  

Additional Information
 Earth MOID = 1.86736 au 
 Jupiter MOID = 1.84102 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 MPO450235  
diameter diameter 4.584 km 0.656 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

308514 (2005 UM34)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
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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