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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2275998953968726 6.0091e-08  
a 2.655060430474879 2.8665e-08 au
q 2.050768954226422 1.7343e-07 au
i 28.07852575572679 7.3377e-06 deg
node 212.3709825367538 8.7452e-06 deg
peri 251.3112756736659 2.027e-05 deg
M 251.6866922809195 2.1592e-05 deg
tp 2459475.933040772336
(2021-Sep-18.43304077)
0.00010068 TDB
period 1580.192667755543
4.33
2.559e-05
7.006e-08
d
yr
n .2278203204874587 3.6894e-09 deg/d
Q 3.259351906723337 3.5189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      7614 days (20.85 yr)  
   first obs. used      1999-12-18  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:44:42  

Additional Information
 Earth MOID = 1.20564 au 
 Jupiter MOID = 2.50219 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457893.5 (2017-May-20.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2256626045786258 5.9681e-08  
q 2.056345853480086 1.7218e-07 au
tp 2457893.013222987263
(2017-May-19.51322299)
8.3383e-05 TDB
node 212.479425818254 8.7329e-06 deg
peri 250.8979632819553 2.0539e-05 deg
i 28.11385484533349 7.3403e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      7614 days (20.85 yr)  
   first obs. used      1999-12-18  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:44:42  

Additional Information
 Jupiter MOID = 2.50219 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.561795678950228E-15 -1.02186829917908E-14 -2.381566437239042E-12 1.858408574070578E-14 -3.172270942485205E-13 -4.773814425462575E-14
q -1.02186829917908E-14 2.964653762636434E-14 7.539515164013816E-12 -5.095762302142723E-14 1.078821575210212E-12 1.447123016442458E-13
tp -2.381566437239042E-12 7.539515164013816E-12 6.952773158465994E-9 -2.537402967721336E-12 1.528217641497252E-9 7.677218680962657E-11
node 1.858408574070578E-14 -5.095762302142723E-14 -2.537402967721336E-12 7.626288667690338E-11 -6.600945604087356E-11 -1.782099335760156E-11
peri -3.172270942485205E-13 1.078821575210212E-12 1.528217641497252E-9 -6.600945604087356E-11 4.218418296231114E-10 3.02941027462135E-11
i -4.773814425462575E-14 1.447123016442458E-13 7.677218680962657E-11 -1.782099335760156E-11 3.02941027462135E-11 5.387939349686936E-11

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. 2020-October); 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) Ap. J. Supp. Ser. 241, A6.]

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

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