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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2064217505437428 6.2849e-08  
a 2.151129807343667 2.1745e-08 au
q 1.707089826864963 1.4502e-07 au
i 8.129154537521796 6.1657e-06 deg
node 45.26779497630877 2.6353e-05 deg
peri 304.8303009500694 3.1717e-05 deg
M 198.0894635631694 1.1915e-05 deg
tp 2459518.787774859234
(2021-Oct-31.28777486)
3.5128e-05 TDB
period 1152.387009860348
3.16
1.7474e-05
4.784e-08
d
yr
n .3123950521132883 4.7369e-09 deg/d
Q 2.595169787822371 2.6234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      5851 days (16.02 yr)  
   first obs. used      2004-03-17  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55441  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:42:12  

Additional Information
 Earth MOID = .717746 au 
 Jupiter MOID = 2.86165 au 
 T_jup = 3.665 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457505.5 (2016-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2068456951221409 6.2896e-08  
q 1.70609176829429 1.4502e-07 au
tp 2457212.714156833256
(2015-Jul-09.21415683)
5.5844e-05 TDB
node 45.29904395091047 2.6371e-05 deg
peri 304.5823885739303 3.1694e-05 deg
i 8.12740639936583 6.1645e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      435  
   data-arc span      5851 days (16.02 yr)  
   first obs. used      2004-03-17  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55441  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:42:12  

Additional Information
 Jupiter MOID = 2.86165 au 
 T_jup = 3.665 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.955890409547675E-15 -9.075109108516897E-15 2.142454200045614E-12 2.683929415735094E-14 5.401770304172289E-13 -4.025422099184192E-14
q -9.075109108516897E-15 2.103146805586367E-14 -5.373189125534909E-12 -6.379652850238394E-14 -1.382754130216605E-12 9.448160916110415E-14
tp 2.142454200045614E-12 -5.373189125534909E-12 3.118566262906576E-9 3.089808517886824E-11 9.771883546192819E-10 -3.052867711603417E-11
node 2.683929415735094E-14 -6.379652850238394E-14 3.089808517886824E-11 6.954174691278073E-10 -6.777538906305625E-10 -6.938049597825703E-11
peri 5.401770304172289E-13 -1.382754130216605E-12 9.771883546192819E-10 -6.777538906305625E-10 1.004510886103508E-9 5.976050569740448E-11
i -4.025422099184192E-14 9.448160916110415E-14 -3.052867711603417E-11 -6.938049597825703E-11 5.976050569740448E-11 3.80010119943413E-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 17.5   n/a MPO350773  

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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