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351100 (2003 UZ251)
Classification: Main-belt Asteroid          SPK-ID: 2351100
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2275999380939855 6.3224e-08  
a 2.655060444847046 3.0997e-08 au
q 2.050768851964069 1.7874e-07 au
i 28.07851789322512 1.0558e-05 deg
node 212.3709636373884 1.0458e-05 deg
peri 251.3112750975255 2.4205e-05 deg
M 251.686701088141 2.2682e-05 deg
tp 2459475.933005974071
(2021-Sep-18.43300597)
0.00010434 TDB
period 1580.192680586207
4.33
2.7673e-05
7.576e-08
d
yr
n .2278203186376299 3.9896e-09 deg/d
Q 3.259352037730023 3.8052e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      6743 days (18.46 yr)  
   first obs. used      1999-12-18  
   last obs. used      2018-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51632  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:59:59  

Additional Information
 Earth MOID = 1.20564 au 
 Jupiter MOID = 2.50219 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457123.5 (2015-Apr-11.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2260996378639098 6.2882e-08  
q 2.055448564644651 1.7774e-07 au
tp 2457892.729786811120
(2017-May-19.22978681)
9.1703e-05 TDB
node 212.4935159324108 1.0429e-05 deg
peri 250.8622921968142 2.4458e-05 deg
i 28.11040195925822 1.0561e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      6743 days (18.46 yr)  
   first obs. used      1999-12-18  
   last obs. used      2018-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51632  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:59:59  

Additional Information
 Jupiter MOID = 2.50219 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.954133900730359E-15 -1.109134327626518E-14 -3.132689015385313E-12 3.249735724082838E-15 -5.424123281302426E-13 -7.667875321582131E-14
q -1.109134327626518E-14 3.159250407694723E-14 9.204749270233782E-12 -1.034080195957168E-14 1.571971302843611E-12 2.163321561774574E-13
tp -3.132689015385313E-12 9.204749270233782E-12 8.409459873389023E-9 -3.66237712648103E-12 1.99432140942667E-9 9.003027213862545E-11
node 3.249735724082838E-15 -1.034080195957168E-14 -3.66237712648103E-12 1.087583156852576E-10 -9.62206209486251E-11 2.500468077434312E-11
peri -5.424123281302426E-13 1.571971302843611E-12 1.99432140942667E-9 -9.62206209486251E-11 5.98191929661129E-10 -4.582181801980187E-12
i -7.667875321582131E-14 2.163321561774574E-13 9.003027213862545E-11 2.500468077434312E-11 -4.582181801980187E-12 1.115288771274308E-10

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 16.2   n/a MPO471638  
rotation period rot_per 4.92 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]

351100 (2003 UZ251)          Discovered 2003-Oct-26 by CSS at Catalina
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

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