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379271 (2009 UG98)
Classification: Main-belt Asteroid          SPK-ID: 2379271
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07781619177769797 4.9889e-08  
a 2.562709184529044 2.9039e-08 au
q 2.363288915155263 1.3497e-07 au
i 4.575059611477099 1.4408e-05 deg
node 202.9051415554026 7.9548e-05 deg
peri 260.1831223347174 0.00022025 deg
M 158.2432320177767 0.00019381 deg
tp 2458341.826700803358
(2018-Aug-11.32670080)
0.00080523 TDB
period 1498.467799773916
4.10
2.547e-05
6.973e-08
d
yr
n .2402454027068954 4.0835e-09 deg/d
Q 2.762129453902824 3.1299e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      4897 days (13.41 yr)  
   first obs. used      2005-10-31  
   last obs. used      2019-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48869  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:41:50  

Additional Information
 Earth MOID = 1.38536 au 
 Jupiter MOID = 2.34312 au 
 T_jup = 3.425 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457070.5 (2015-Feb-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07919756459105656 5.0193e-08  
q 2.359027528630834 1.3681e-07 au
tp 2456845.572552845462
(2014-Jul-07.07255285)
0.00078622 TDB
node 202.9445840865385 7.9543e-05 deg
peri 260.2938865070723 0.00021626 deg
i 4.57561207303698 1.4411e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      4897 days (13.41 yr)  
   first obs. used      2005-10-31  
   last obs. used      2019-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48869  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:41:50  

Additional Information
 Jupiter MOID = 2.34312 au 
 T_jup = 3.425 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.519370091680797E-15 -6.736648466241096E-15 9.033634262326695E-12 -1.346541218452382E-14 2.296136773497793E-12 -8.456538352049356E-15
q -6.736648466241096E-15 1.871801725300145E-14 -2.303688544313477E-11 3.212960315891193E-14 -5.831742540164853E-12 2.242688897489952E-14
tp 9.033634262326695E-12 -2.303688544313477E-11 6.181482523212343E-7 -7.067909422757755E-10 1.581323877191703E-7 -4.017299827673567E-10
node -1.346541218452382E-14 3.212960315891193E-14 -7.067909422757755E-10 6.327159243682909E-9 -6.486629077808643E-9 -5.239322826947655E-10
peri 2.296136773497793E-12 -5.831742540164853E-12 1.581323877191703E-7 -6.486629077808643E-9 4.676626240725136E-8 4.201541811505077E-10
i -8.456538352049356E-15 2.242688897489952E-14 -4.017299827673567E-10 -5.239322826947655E-10 4.201541811505077E-10 2.076670940272046E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO471889  

379271 (2009 UG98)          Discovered 2009-Oct-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

Alternate Designations
 2009 UG98 = 2005 UN410 = 2007 EZ174 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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