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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2277643951966377 6.0013e-08  
a 2.654804886039971 2.8476e-08 au
q 2.050134856805998 1.7321e-07 au
i 28.08069987340189 7.3205e-06 deg
node 212.3666891856221 8.6437e-06 deg
peri 251.3411049789043 2.0237e-05 deg
M 297.2451235255497 2.2084e-05 deg
tp 2459475.917998292881
(2021-Sep-18.41799829)		 0.00010037 TDB
period 1579.964537509767
4.33		 2.5421e-05
6.96e-08		 d
yr
n .2278532153433062 3.666e-09 deg/d
Q 3.259474915273944 3.4962e-08 au
   Orbit Determination Parameters
   # obs. used (total)      397  
   data-arc span      7716 days (21.13 yr)  
   first obs. used      1999-12-18  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52014  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:57:01  

Additional Information
 Earth MOID = 1.2047 au 
 Jupiter MOID = 2.50125 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457958.5 (2017-Jul-24.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2256421048658096 5.9632e-08  
q 2.056349667352134 1.7203e-07 au
tp 2457893.017718483637
(2017-May-19.51771848)		 8.3213e-05 TDB
node 212.4789305520526 8.6323e-06 deg
peri 250.9001501059904 2.0523e-05 deg
i 28.11382575009794 7.3229e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      397  
   data-arc span      7716 days (21.13 yr)  
   first obs. used      1999-12-18  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52014  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:57:01  

Additional Information
 Jupiter MOID = 2.50125 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.555932596338036E-15 -1.020226218214052E-14 -2.371390694536475E-12 2.076792335388626E-14 -3.161091196970485E-13 -4.692908668562002E-14
q -1.020226218214052E-14 2.959357969913684E-14 7.50327573202704E-12 -5.828590854792507E-14 1.076181354590934E-12 1.419427308134884E-13
tp -2.371390694536475E-12 7.50327573202704E-12 6.924366577216873E-9 -8.654822929289966E-12 1.527375595986787E-9 7.44779190360879E-11
node 2.076792335388626E-14 -5.828590854792507E-14 -8.654822929289966E-12 7.451643175781407E-11 -6.575092559106247E-11 -1.844881702209009E-11
peri -3.161091196970485E-13 1.076181354590934E-12 1.527375595986787E-9 -6.575092559106247E-11 4.212080144591284E-10 3.036264693554643E-11
i -4.692908668562002E-14 1.419427308134884E-13 7.44779190360879E-11 -1.844881702209009E-11 3.036264693554643E-11 5.362526941508857E-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 16.23   n/a MPCxxxxx  
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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