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357894 (2005 UO520)
Classification: Main-belt Asteroid          SPK-ID: 2357894
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03987951147822932 6.5654e-08  
a 2.995678840552626 4.1224e-08 au
q 2.876212631845719 1.949e-07 au
i 9.979215518004946 6.9746e-06 deg
node 173.9118591609984 2.8987e-05 deg
peri 128.5704117003802 0.00011779 deg
M 46.26809182975379 0.00010735 deg
tp 2458957.100101509527
(2020-Apr-17.60010151)
0.00056663 TDB
period 1893.831363934092
5.19
3.9091e-05
1.07e-07
d
yr
n .1900908427517882 3.9238e-09 deg/d
Q 3.115145049259533 4.2867e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      6378 days (17.46 yr)  
   first obs. used      2003-04-09  
   last obs. used      2020-09-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49267  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:22:20  

Additional Information
 Earth MOID = 1.87218 au 
 Jupiter MOID = 1.99967 au 
 T_jup = 3.230 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458223.5 (2018-Apr-15.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04122484713636602 6.7318e-08  
q 2.871844129899135 2.0183e-07 au
tp 2458973.867817319402
(2020-May-04.36781732)
0.00053532 TDB
node 174.0969571751402 2.9015e-05 deg
peri 131.8719925658327 0.00011208 deg
i 9.975320962967443 6.9694e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      6378 days (17.46 yr)  
   first obs. used      2003-04-09  
   last obs. used      2020-09-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49267  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:22:20  

Additional Information
 Jupiter MOID = 1.99967 au 
 T_jup = 3.230 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.531719685969739E-15 -1.332460459313632E-14 1.709994512683752E-11 -3.076302967377912E-14 3.453023832286078E-12 -2.474301454490837E-15
q -1.332460459313632E-14 4.073597925783195E-14 -6.018548705869252E-11 1.004834902513247E-13 -1.223635421632922E-11 6.042076107543904E-15
tp 1.709994512683752E-11 -6.018548705869252E-11 2.865663836242691E-7 -3.727694288711665E-10 5.796864962083327E-8 6.597249107070645E-11
node -3.076302967377912E-14 1.004834902513247E-13 -3.727694288711665E-10 8.41853080872295E-10 -9.034506152143962E-10 -5.304905596068078E-11
peri 3.453023832286078E-12 -1.223635421632922E-11 5.796864962083327E-8 -9.034506152143962E-10 1.256287130008422E-8 6.532624536543072E-11
i -2.474301454490837E-15 6.042076107543904E-15 6.597249107070645E-11 -5.304905596068078E-11 6.532624536543072E-11 4.857191190324504E-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 16.36   n/a E2021B25  

357894 (2005 UO520)          Discovered 2005-Oct-26 by Becker, A. C. at Apache Point
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2005 UO520 = 2008 CE198 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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