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227356 (2005 UD125)
Classification: Main-belt Asteroid          SPK-ID: 2227356
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1416910156389587 7.7073e-08  
a 2.453812157195694 2.151e-08 au
q 2.106129020455412 1.8793e-07 au
i 2.797810667287944 9.0304e-06 deg
node 25.01262888971733 0.0001224 deg
peri 163.782012283971 0.00012568 deg
M 205.6482042335263 3.5241e-05 deg
tp 2459802.462702583938
(2022-Aug-10.96270258)
0.00014345 TDB
period 1403.978307178775
3.84
1.8461e-05
5.054e-08
d
yr
n .2564142181964351 3.3716e-09 deg/d
Q 2.801495293935976 2.4558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      6962 days (19.06 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-11-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59713  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:26  

Additional Information
 Earth MOID = 1.10627 au 
 Jupiter MOID = 2.15284 au 
 T_jup = 3.478 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457133.5 (2015-Apr-21.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1406915063871291 7.7369e-08  
q 2.109150991405978 1.8854e-07 au
tp 2456993.171035325193
(2014-Dec-01.67103533)
0.00011802 TDB
node 25.08374771969162 0.00012228 deg
peri 163.7282481996175 0.00012559 deg
i 2.799215337612573 9.0323e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      6962 days (19.06 yr)  
   first obs. used      2001-10-14  
   last obs. used      2020-11-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59713  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:26  

Additional Information
 Jupiter MOID = 2.15284 au 
 T_jup = 3.478 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.986004698433176E-15 -1.451796203202946E-14 1.876917870700627E-12 2.065752294210041E-14 5.483947575647685E-13 1.746589267117271E-15
q -1.451796203202946E-14 3.554873684447581E-14 -3.244707240610768E-12 -4.944132557337222E-14 -1.022123914556738E-12 -3.247099376534278E-15
tp 1.876917870700627E-12 -3.244707240610768E-12 1.392971504820456E-8 -4.086525111055709E-12 3.402837219015905E-9 8.374364948553631E-12
node 2.065752294210041E-14 -4.944132557337222E-14 -4.086525111055709E-12 1.495262743589554E-8 -1.493459169704367E-8 2.720537770934206E-12
peri 5.483947575647685E-13 -1.022123914556738E-12 3.402837219015905E-9 -1.493459169704367E-8 1.57737582696758E-8 -6.061785910818209E-13
i 1.746589267117271E-15 -3.247099376534278E-15 8.374364948553631E-12 2.720537770934206E-12 -6.061785910818209E-13 8.158196410545298E-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 17.1   n/a MPO433489  

227356 (2005 UD125)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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