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152708 (1998 SU81)
Classification: Main-belt Asteroid          SPK-ID: 2152708
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .167493172856883 4.8755e-08  
a 2.206171958581837 1.1665e-08 au
q 1.836653217371081 1.0991e-07 au
i 2.510918567920148 6.3434e-06 deg
node 340.9305428219317 0.00012392 deg
peri 334.6454319310269 0.00012595 deg
M 14.84990306834635 2.5596e-05 deg
tp 2459347.128242719969
(2021-May-12.62824272)
8.4914e-05 TDB
period 1196.898898195318
3.28
9.493e-06
2.599e-08
d
yr
n .3007772841489014 2.3856e-09 deg/d
Q 2.575690699792593 1.3619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      8284 days (22.68 yr)  
   first obs. used      1998-09-16  
   last obs. used      2021-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56281  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:23:04  

Additional Information
 Earth MOID = .82278 au 
 Jupiter MOID = 2.69581 au 
 T_jup = 3.641 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457317.5 (2015-Oct-22.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1677276361394287 4.8874e-08  
q 1.835572906904517 1.101e-07 au
tp 2456953.347708071533
(2014-Oct-22.84770807)
7.7591e-05 TDB
node 340.9810930321656 0.00012379 deg
peri 334.5202455053515 0.0001258 deg
i 2.513268446237142 6.344e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      8284 days (22.68 yr)  
   first obs. used      1998-09-16  
   last obs. used      2021-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56281  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:23:04  

Additional Information
 Jupiter MOID = 2.69581 au 
 T_jup = 3.641 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.388676660526829E-15 -5.361395626937375E-15 8.955404065911294E-13 -1.470422831917175E-14 2.905300676754849E-13 4.162459297663444E-16
q -5.361395626937375E-15 1.212236192485545E-14 -1.775767323022754E-12 2.968364363417948E-14 -5.819280192458005E-13 -9.04846090078737E-16
tp 8.955404065911294E-13 -1.775767323022754E-12 6.020377958636297E-9 -7.581540181486525E-11 1.767370753773192E-9 -2.976678492518156E-12
node -1.470422831917175E-14 2.968364363417948E-14 -7.581540181486525E-11 1.532408720528835E-8 -1.532928813506075E-8 2.620154741407567E-10
peri 2.905300676754849E-13 -5.819280192458005E-13 1.767370753773192E-9 -1.532928813506075E-8 1.582600741252185E-8 -2.625421768298931E-10
i 4.162459297663444E-16 -9.04846090078737E-16 -2.976678492518156E-12 2.620154741407567E-10 -2.625421768298931E-10 4.024604353489822E-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 16.91   n/a E2021B55  

152708 (1998 SU81)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 1998 SU81 = 2000 CT100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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