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173078 (2006 UM187)
Classification: Main-belt Asteroid          SPK-ID: 2173078
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736663773376242 4.2801e-08  
a 3.064235780511707 2.7399e-08 au
q 2.532081053201912 1.309e-07 au
i 13.00456789525972 6.0773e-06 deg
node 314.7688349039774 2.2819e-05 deg
peri 137.7142579368945 2.9853e-05 deg
M 142.2734921074631 1.9073e-05 deg
tp 2458226.210826676896
(2018-Apr-17.71082668)
9.9762e-05 TDB
period 1959.213190506172
5.36
2.6277e-05
7.194e-08
d
yr
n .1837472316664999 2.4645e-09 deg/d
Q 3.596390507821503 3.2157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      8584 days (23.50 yr)  
   first obs. used      1996-12-14  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51865  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:25:25  

Additional Information
 Earth MOID = 1.56526 au 
 Jupiter MOID = 1.61894 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457222.5 (2015-Jul-19.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .175172704132371 4.2876e-08  
q 2.526752659239987 1.3158e-07 au
tp 2456267.991827092434
(2012-Dec-06.49182709)
9.3489e-05 TDB
node 314.7965585129874 2.2822e-05 deg
peri 137.7309553420187 2.9704e-05 deg
i 13.0063600160466 6.078e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      8584 days (23.50 yr)  
   first obs. used      1996-12-14  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51865  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:25:25  

Additional Information
 Jupiter MOID = 1.61894 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.838381600918988E-15 -5.556629165328897E-15 6.612318345308729E-13 -9.96923173458352E-15 1.556035772388304E-13 -5.139403928760279E-15
q -5.556629165328897E-15 1.731213098834757E-14 -1.89512489648061E-12 3.452798290088132E-14 -4.00956020902937E-13 1.762261631146082E-14
tp 6.612318345308729E-13 -1.89512489648061E-12 8.740200783038172E-9 1.564512422494961E-12 1.796616860093217E-9 9.069806577149442E-13
node -9.96923173458352E-15 3.452798290088132E-14 1.564512422494961E-12 5.208660520747621E-10 -5.060102836258894E-10 2.766765397735816E-11
peri 1.556035772388304E-13 -4.00956020902937E-13 1.796616860093217E-9 -5.060102836258894E-10 8.823214894291379E-10 -2.668193033722812E-11
i -5.139403928760279E-15 1.762261631146082E-14 9.069806577149442E-13 2.766765397735816E-11 -2.668193033722812E-11 3.69417592013717E-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 15.2   n/a MPO264383  

173078 (2006 UM187)          Discovered 2006-Oct-19 by CSS at Catalina
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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