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379011 (2008 UA354)
Classification: Main-belt Asteroid          SPK-ID: 2379011
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04777047345790938 5.6515e-08  
a 3.15769982895613 4.3526e-08 au
q 3.006855013088936 1.759e-07 au
i 9.716598156768404 6.3451e-06 deg
node 238.5773820635055 3.2702e-05 deg
peri 174.5123780529227 7.6284e-05 deg
M 67.64798774173667 6.6341e-05 deg
tp 2458815.370244371945
(2019-Nov-27.87024437)
0.00037761 TDB
period 2049.53194698738
5.61
4.2376e-05
1.16e-07
d
yr
n .1756498602176786 3.6317e-09 deg/d
Q 3.308544644823324 4.5605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      8908 days (24.39 yr)  
   first obs. used      1996-10-15  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53968  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:41:30  

Additional Information
 Earth MOID = 2.01746 au 
 Jupiter MOID = 1.98595 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458249.5 (2018-May-11.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04704701682163841 5.6504e-08  
q 3.006804320875084 1.756e-07 au
tp 2458818.061375156856
(2019-Nov-30.56137516)
0.00038352 TDB
node 238.5842068385824 3.2697e-05 deg
peri 175.0224094690042 7.7303e-05 deg
i 9.719017431017251 6.3467e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      8908 days (24.39 yr)  
   first obs. used      1996-10-15  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53968  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:41:30  

Additional Information
 Jupiter MOID = 1.98595 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.192675487570372E-15 -9.652454749329519E-15 -1.186399467853504E-12 -6.322772665137278E-15 -2.595962858404423E-13 -5.692134890592815E-16
q -9.652454749329519E-15 3.083648669664594E-14 3.661491590044847E-12 2.593598430784944E-14 7.057192037803668E-13 4.884126114742747E-15
tp -1.186399467853504E-12 3.661491590044847E-12 1.47089518443152E-7 2.335552655096716E-11 2.688709277608242E-8 -2.208574609281683E-11
node -6.322772665137278E-15 2.593598430784944E-14 2.335552655096716E-11 1.069121301513319E-9 -1.049095279138392E-9 -6.93956696336926E-13
peri -2.595962858404423E-13 7.057192037803668E-13 2.688709277608242E-8 -1.049095279138392E-9 5.975729972678172E-9 -3.415610073529708E-12
i -5.692134890592815E-16 4.884126114742747E-15 -2.208574609281683E-11 -6.93956696336926E-13 -3.415610073529708E-12 4.028044274444012E-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 16.07   n/a MPCxxxxx  
diameter diameter 4.401 km 1.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379011 (2008 UA354)          Discovered 2008-Oct-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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