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452281 (2015 TU179)
Classification: Main-belt Asteroid          SPK-ID: 2452281
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2066374716868436 5.9642e-08  
a 2.151453596484237 1.9863e-08 au
q 1.706882664855168 1.4048e-07 au
i 8.1288918135978 4.9022e-06 deg
node 45.26080265647242 2.4511e-05 deg
peri 304.7839423938696 3.0338e-05 deg
M 321.8670891213605 1.0985e-05 deg
tp 2459518.593869995646
(2021-Oct-31.09387000)
3.447e-05 TDB
period 1152.647206459488
3.16
1.5962e-05
4.37e-08
d
yr
n .3123245325911897 4.3252e-09 deg/d
Q 2.596024528113306 2.3967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      6321 days (17.31 yr)  
   first obs. used      2004-03-17  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5505  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:49:18  

Additional Information
 Earth MOID = .716742 au 
 Jupiter MOID = 2.86155 au 
 T_jup = 3.664 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457686.5 (2016-Oct-25.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2066786872165796 5.9665e-08  
q 1.706723198952244 1.4037e-07 au
tp 2457212.699140065164
(2015-Jul-09.19914007)
5.5329e-05 TDB
node 45.29314146497798 2.4525e-05 deg
peri 304.6185781203194 3.034e-05 deg
i 8.127371848902124 4.9011e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      6321 days (17.31 yr)  
   first obs. used      2004-03-17  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5505  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:49:18  

Additional Information
 Jupiter MOID = 2.86155 au 
 T_jup = 3.664 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.559891098424887E-15 -8.351544822468639E-15 2.282969598788285E-12 7.619655634128072E-15 6.246538709527415E-13 -3.070313586160797E-14
q -8.351544822468639E-15 1.970265575224362E-14 -5.618740608176889E-12 -1.586926343580274E-14 -1.545724710583293E-12 7.213260305537756E-14
tp 2.282969598788285E-12 -5.618740608176889E-12 3.061252016968983E-9 1.384413696142687E-12 9.806799339560342E-10 -2.005783803906825E-11
node 7.619655634128072E-15 -1.586926343580274E-14 1.384413696142687E-12 6.014649577246471E-10 -5.946947029387697E-10 -3.328115490880874E-11
peri 6.246538709527415E-13 -1.545724710583293E-12 9.806799339560342E-10 -5.946947029387697E-10 9.204943869090584E-10 2.745209968575341E-11
i -3.070313586160797E-14 7.213260305537756E-14 -2.005783803906825E-11 -3.328115490880874E-11 2.745209968575341E-11 2.402065312877452E-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 17.59   n/a E2021B25  

452281 (2015 TU179)          Discovered 2008-Apr-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-11-30

Alternate Designations
 2015 TU179 = 2011 HB69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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