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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1939910879004567 4.014e-08  
a 2.289629100587657 1.6103e-08 au
q 1.845461460476113 8.6321e-08 au
i 10.44213681906762 4.1139e-06 deg
node 72.56724700207329 2.8156e-05 deg
peri 176.92782553748 3.103e-05 deg
M 38.64579687714172 1.4044e-05 deg
tp 2458864.654299588557
(2020-Jan-16.15429959)
4.9225e-05 TDB
period 1265.45332481022
3.46
1.335e-05
3.655e-08
d
yr
n .2844830330300717 3.0011e-09 deg/d
Q 2.733796740699201 1.9227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      6760 days (18.51 yr)  
   first obs. used      2002-03-10  
   last obs. used      2020-09-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:20:31  

Additional Information
 Earth MOID = .831464 au 
 Jupiter MOID = 2.30405 au 
 T_jup = 3.553 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457852.5 (2017-Apr-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1934509506220818 4.0201e-08  
q 1.846539852888792 8.6356e-08 au
tp 2457598.972458013597
(2016-Jul-29.47245801)
5.0025e-05 TDB
node 72.57537128990734 2.8152e-05 deg
peri 176.8355151786797 3.1035e-05 deg
i 10.44269497845636 4.114e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      6760 days (18.51 yr)  
   first obs. used      2002-03-10  
   last obs. used      2020-09-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:20:31  

Additional Information
 Jupiter MOID = 2.30405 au 
 T_jup = 3.553 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.616143601694053E-15 -3.441743480682028E-15 -3.917771907796753E-13 -1.132047996589912E-14 -9.584750543857477E-14 8.716485443469454E-16
q -3.441743480682028E-15 7.457291923413438E-15 7.765814565703634E-13 2.635545901398824E-14 1.953725297100775E-13 -2.219295271319564E-15
tp -3.917771907796753E-13 7.765814565703634E-13 2.50246267160345E-9 1.834744066175545E-11 6.813110671934607E-10 -5.38797341617889E-12
node -1.132047996589912E-14 2.635545901398824E-14 1.834744066175545E-11 7.925354782888932E-10 -7.742671663424258E-10 -1.630143792153866E-12
peri -9.584750543857477E-14 1.953725297100775E-13 6.813110671934607E-10 -7.742671663424258E-10 9.63180214892786E-10 2.276133828449257E-13
i 8.716485443469454E-16 -2.219295271319564E-15 -5.38797341617889E-12 -1.630143792153866E-12 2.276133828449257E-13 1.692505299728826E-11

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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