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181505 (2006 UR40)
Classification: Main-belt Asteroid          SPK-ID: 2181505
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05126573459969692 6.5553e-08  
a 2.614047677276533 1.944e-08 au
q 2.48003660282232 1.6544e-07 au
i 5.057021044775403 6.5218e-06 deg
node 35.97487417005592 5.1821e-05 deg
peri 155.4938309167425 6.868e-05 deg
M 339.9451448218077 4.2679e-05 deg
tp 2459286.497477541659
(2021-Mar-12.99747754)
0.00018268 TDB
period 1543.720542478018
4.23
1.722e-05
4.715e-08
d
yr
n .2332028304955502 2.6014e-09 deg/d
Q 2.748058751730746 2.0436e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      6750 days (18.48 yr)  
   first obs. used      2002-11-07  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58202  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:35  

Additional Information
 Earth MOID = 1.47901 au 
 Jupiter MOID = 2.20605 au 
 T_jup = 3.401 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457258.5 (2015-Aug-24.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05201696343704051 6.5466e-08  
q 2.477332517893743 1.6544e-07 au
tp 2457748.471946867017
(2016-Dec-25.97194687)
0.0001868 TDB
node 36.00411025591622 5.1835e-05 deg
peri 156.8873036461325 6.8361e-05 deg
i 5.057454772845507 6.5215e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      6750 days (18.48 yr)  
   first obs. used      2002-11-07  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58202  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:35  

Additional Information
 Jupiter MOID = 2.20605 au 
 T_jup = 3.401 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.285777467990897E-15 -1.077229986775467E-14 -1.062779998092292E-12 9.151111682353159E-15 -2.959550308183637E-13 -1.490087017129583E-16
q -1.077229986775467E-14 2.737057909093361E-14 1.261637003279391E-12 -2.244812377618034E-14 3.934541916608319E-13 4.043454499307108E-16
tp -1.062779998092292E-12 1.261637003279391E-12 3.489335889189353E-8 -2.909743723530117E-11 8.342526987708977E-9 4.942319948543192E-12
node 9.151111682353159E-15 -2.244812377618034E-14 -2.909743723530117E-11 2.686887764615935E-9 -2.682861733547305E-9 -1.21245341143274E-10
peri -2.959550308183637E-13 3.934541916608319E-13 8.342526987708977E-9 -2.682861733547305E-9 4.673223351956046E-9 1.219593290153891E-10
i -1.490087017129583E-16 4.043454499307108E-16 4.942319948543192E-12 -1.21245341143274E-10 1.219593290153891E-10 4.253019054448415E-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 16.67   n/a MPCxxxxx  

181505 (2006 UR40)          Discovered 2006-Oct-16 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2006 UR40 = 2004 FL59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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