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249078 (2007 UR128)
Classification: Main-belt Asteroid          SPK-ID: 2249078
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1936877943586708 6.6606e-08  
a 2.289064148677409 1.9351e-08 au
q 1.845700362574573 1.5608e-07 au
i 10.44375111408563 5.7733e-06 deg
node 72.57124863785519 2.9846e-05 deg
peri 176.9613246351203 3.3527e-05 deg
M 284.7985781236673 1.8961e-05 deg
tp 2458864.746305164713
(2020-Jan-16.24630516)
6.7976e-05 TDB
period 1264.984989455836
3.46
1.604e-05
4.392e-08
d
yr
n .2845883571747858 3.6087e-09 deg/d
Q 2.732427934780245 2.3099e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      6180 days (16.92 yr)  
   first obs. used      2002-03-10  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54395  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:40:47  

Additional Information
 Earth MOID = .831476 au 
 Jupiter MOID = 2.30534 au 
 T_jup = 3.553 
[ 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 17.1   n/a MPO427414  
diameter diameter 2.012 km 0.472 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.058   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

249078 (2007 UR128)          Discovered 2007-Oct-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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