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181253 (2005 UD283)
Classification: Main-belt Asteroid          SPK-ID: 2181253
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904823641946642 4.039e-08  
a 2.653349828501167 1.4931e-08 au
q 2.147933480132758 1.1163e-07 au
i 4.04410139379291 4.6498e-06 deg
node 174.5039492630912 6.4508e-05 deg
peri 113.9000899707625 6.5861e-05 deg
M 267.5999194949674 1.3978e-05 deg
tp 2459605.691237661263
(2022-Jan-26.19123766)
6.2812e-05 TDB
period 1578.665784280458
4.32
1.3325e-05
3.648e-08
d
yr
n .2280406680024961 1.9248e-09 deg/d
Q 3.158766176869576 1.7775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      9532 days (26.10 yr)  
   first obs. used      1995-03-27  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59578  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:22  

Additional Information
 Earth MOID = 1.13366 au 
 Jupiter MOID = 2.03197 au 
 T_jup = 3.360 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457628.5 (2016-Aug-28.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907199732335615 4.0403e-08  
q 2.148577762543247 1.1183e-07 au
tp 2458025.041214462465
(2017-Sep-28.54121446)
5.7624e-05 TDB
node 174.5323774211197 6.4499e-05 deg
peri 113.5227607485783 6.5841e-05 deg
i 4.043262100482095 4.6499e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      9532 days (26.10 yr)  
   first obs. used      1995-03-27  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59578  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:22  

Additional Information
 Jupiter MOID = 2.03197 au 
 T_jup = 3.360 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.63243180735266E-15 -4.494449570808013E-15 -5.244155814537971E-13 -4.15776514023853E-15 -5.948804861278645E-14 -1.325137006601495E-15
q -4.494449570808013E-15 1.250594635681387E-14 1.60053735375108E-12 1.08482708262093E-14 1.914074453186937E-13 3.849804192668819E-15
tp -5.244155814537971E-13 1.60053735375108E-12 3.320524540233717E-9 -1.354673132997336E-11 7.777795460985918E-10 9.563129255793524E-13
node -4.15776514023853E-15 1.08482708262093E-14 -1.354673132997336E-11 4.160088904232926E-9 -4.152908963190272E-9 6.007445748842867E-11
peri -5.948804861278645E-14 1.914074453186937E-13 7.777795460985918E-10 -4.152908963190272E-9 4.335101115691776E-9 -5.975902948894385E-11
i -1.325137006601495E-15 3.849804192668819E-15 9.563129255793524E-13 6.007445748842867E-11 -5.975902948894385E-11 2.16213455545878E-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 16.80   n/a MPCxxxxx  

181253 (2005 UD283)          Discovered 2005-Oct-26 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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