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212349 (2005 UM169)
Classification: Main-belt Asteroid          SPK-ID: 2212349
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1534331991557658 4.2616e-08  
a 2.379836390886394 1.5515e-08 au
q 2.014690479965383 9.657e-08 au
i 1.70847113089606 8.4374e-06 deg
node 337.1258025641399 0.00014222 deg
peri 267.9386083686945 0.00014511 deg
M 143.9997988249403 2.8398e-05 deg
tp 2458464.112728780786
(2018-Dec-11.61272878)
0.00010509 TDB
period 1340.970051448939
3.67
1.3113e-05
3.59e-08
d
yr
n .2684623714086787 2.6253e-09 deg/d
Q 2.744982301807405 1.7895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      7070 days (19.36 yr)  
   first obs. used      2000-04-26  
   last obs. used      2019-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52412  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:03:05  

Additional Information
 Earth MOID = 1.00227 au 
 Jupiter MOID = 2.2788 au 
 T_jup = 3.522 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457456.5 (2016-Mar-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1531376531061183 4.2571e-08  
q 2.015903301739565 9.6445e-08 au
tp 2457123.431825532952
(2015-Apr-10.93182553)
0.00010499 TDB
node 337.1967266391748 0.00014216 deg
peri 268.0438002209547 0.00014506 deg
i 1.708692043192639 8.4382e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      7070 days (19.36 yr)  
   first obs. used      2000-04-26  
   last obs. used      2019-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52412  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:03:05  

Additional Information
 Jupiter MOID = 2.2788 au 
 T_jup = 3.522 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.812286621220067E-15 -4.074186692021434E-15 -4.404433709921204E-13 1.302612876959829E-15 -1.651120945486475E-13 2.33477526267274E-16
q -4.074186692021434E-15 9.301598447446261E-15 1.005273225703701E-12 -3.488419184616945E-15 3.870787266576227E-13 -5.645850578944777E-16
tp -4.404433709921204E-13 1.005273225703701E-12 1.102208984500699E-8 -2.803981050556413E-11 3.035704612536113E-9 -4.339713857842014E-14
node 1.302612876959829E-15 -3.488419184616945E-15 -2.803981050556413E-11 2.021016914256974E-8 -2.020835601825089E-8 1.197099597639466E-10
peri -1.651120945486475E-13 3.870787266576227E-13 3.035704612536113E-9 -2.020835601825089E-8 2.104370030108749E-8 -1.196688826659782E-10
i 2.33477526267274E-16 -5.645850578944777E-16 -4.339713857842014E-14 1.197099597639466E-10 -1.196688826659782E-10 7.120337095218459E-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 17.2   n/a MPO437020  

212349 (2005 UM169)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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