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227386 (2005 UJ297)
Classification: Main-belt Asteroid          SPK-ID: 2227386
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1275189571946677 5.4314e-08  
a 2.585945493191101 1.9828e-08 au
q 2.256188420537121 1.4607e-07 au
i 1.801700501127805 6.2275e-06 deg
node 228.1159005076355 0.00017686 deg
peri 96.03669738419835 0.00017843 deg
M 302.4322543449333 2.2634e-05 deg
tp 2459443.386959750627
(2021-Aug-16.88695975)
9.5517e-05 TDB
period 1518.894035457681
4.16
1.7469e-05
4.783e-08
d
yr
n .2370145590120268 2.726e-09 deg/d
Q 2.915702565845081 2.2356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      7730 days (21.16 yr)  
   first obs. used      1999-03-22  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:33  

Additional Information
 Earth MOID = 1.24293 au 
 Jupiter MOID = 2.37954 au 
 T_jup = 3.410 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457334.5 (2015-Nov-08.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262167974397341 5.4166e-08  
q 2.261311029541955 1.4532e-07 au
tp 2457923.462398102619
(2017-Jun-18.96239810)
9.7974e-05 TDB
node 228.1639886044577 0.00017708 deg
peri 95.71254899877047 0.00017867 deg
i 1.79970122853138 6.2235e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      7730 days (21.16 yr)  
   first obs. used      1999-03-22  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:33  

Additional Information
 Jupiter MOID = 2.37954 au 
 T_jup = 3.410 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.933907413125917E-15 -7.818198763209718E-15 2.777482857412086E-12 -2.814283607155802E-14 7.207624580203203E-13 -1.111602699038231E-15
q -7.818198763209718E-15 2.111891256787484E-14 -7.439841699494499E-12 7.558681652384696E-14 -1.958521723629739E-12 3.097714357084194E-15
tp 2.777482857412086E-12 -7.439841699494499E-12 9.598888105337124E-9 -1.332780780462358E-11 2.363425945157532E-9 -2.735037245629462E-12
node -2.814283607155802E-14 7.558681652384696E-14 -1.332780780462358E-11 3.135616952667235E-8 -3.13441067420582E-8 -5.273791661372168E-10
peri 7.207624580203203E-13 -1.958521723629739E-12 2.363425945157532E-9 -3.13441067420582E-8 3.192358468269831E-8 5.264469538833699E-10
i -1.111602699038231E-15 3.097714357084194E-15 -2.735037245629462E-12 -5.273791661372168E-10 5.264469538833699E-10 3.873243358394504E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.18   n/a E2021B55  

227386 (2005 UJ297)          Discovered 2005-Oct-26 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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