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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04789815240150029 5.5161e-08  
a 3.157525599225951 4.3313e-08 au
q 3.006285956862588 1.705e-07 au
i 9.716444462817373 6.0931e-06 deg
node 238.5671746009215 3.2701e-05 deg
peri 174.4423757524469 7.5937e-05 deg
M 102.1418939286625 6.6055e-05 deg
tp 2458815.039586518945
(2019-Nov-27.53958652)
0.00037578 TDB
period 2049.362321393573
5.61
4.2168e-05
1.154e-07
d
yr
n .1756643987458493 3.6145e-09 deg/d
Q 3.308765241589315 4.5387e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      8941 days (24.48 yr)  
   first obs. used      1996-10-15  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55623  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:05:10  

Additional Information
 Earth MOID = 2.01722 au 
 Jupiter MOID = 1.98543 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458300.5 (2018-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04706316110822144 5.5139e-08  
q 3.006849003780285 1.7017e-07 au
tp 2458817.840869071728
(2019-Nov-30.34086907)
0.00038268 TDB
node 238.5834664515272 3.2694e-05 deg
peri 174.9822341499259 7.7104e-05 deg
i 9.718983250766637 6.0947e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      8941 days (24.48 yr)  
   first obs. used      1996-10-15  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55623  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:05:10  

Additional Information
 Jupiter MOID = 1.98543 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.040272424652616E-15 -9.117692367007588E-15 -1.460307308081885E-12 -6.057415410646385E-15 -3.20709514898846E-13 -5.29992817409275E-16
q -9.117692367007588E-15 2.895825810507609E-14 4.638738051469671E-12 2.499950591348691E-14 9.234008118335755E-13 4.650704239937703E-15
tp -1.460307308081885E-12 4.638738051469671E-12 1.464424256304951E-7 2.442411197162121E-11 2.674655224360652E-8 -2.463330930046983E-11
node -6.057415410646385E-15 2.499950591348691E-14 2.442411197162121E-11 1.068927304683964E-9 -1.048687608662795E-9 4.283915067089419E-14
peri -3.20709514898846E-13 9.234008118335755E-13 2.674655224360652E-8 -1.048687608662795E-9 5.944971905792397E-9 -4.613883131432248E-12
i -5.29992817409275E-16 4.650704239937703E-15 -2.463330930046983E-11 4.283915067089419E-14 -4.613883131432248E-12 3.714494919286602E-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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