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JPL Small-Body Database Browser
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351078 (2003 UH55)
Classification: Main-belt Asteroid          SPK-ID: 2351078
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2875243259567496 1.0133e-07  
a 2.643317764853493 2.4908e-08 au
q 1.88329960622449 2.6127e-07 au
i 8.477976652518619 1.3602e-05 deg
node 282.8388261417484 5.5952e-05 deg
peri 116.3361620878265 6.6144e-05 deg
M 222.5250466281914 3.1908e-05 deg
tp 2459199.937031953310
(2020-Dec-16.43703195)
0.00014591 TDB
period 1569.72107435131
4.30
2.2187e-05
6.074e-08
d
yr
n .229340107540297 3.2416e-09 deg/d
Q 3.403335923482496 3.2069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      6250 days (17.11 yr)  
   first obs. used      1999-12-18  
   last obs. used      2017-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58666  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 07:39:44  

Additional Information
 Earth MOID = .909136 au 
 Jupiter MOID = 2.10242 au 
 T_jup = 3.319 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455869.5 (2011-Nov-04.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2905771521034472 1.0162e-07  
q 1.8713902324933 2.6207e-07 au
tp 2456066.675115821817
(2012-May-19.17511582)
0.00011179 TDB
node 283.0209637717446 5.6179e-05 deg
peri 116.1917964580351 6.5891e-05 deg
i 8.46775152760398 1.359e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      6250 days (17.11 yr)  
   first obs. used      1999-12-18  
   last obs. used      2017-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58666  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 07:39:44  

Additional Information
 Jupiter MOID = 2.10242 au 
 T_jup = 3.319 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.032741520495087E-14 -2.658809040505074E-14 2.027621025762858E-12 -1.237145957284276E-13 -4.529687581944114E-14 -7.197876140264574E-14
q -2.658809040505074E-14 6.868156964421813E-14 -4.283875455328442E-12 3.287058693862541E-13 3.741611829514034E-13 1.908716932425148E-13
tp 2.027621025762858E-12 -4.283875455328442E-12 1.249599184993375E-8 -1.911993856500086E-11 3.810888820978061E-9 -4.84182543442087E-11
node -1.237145957284276E-13 3.287058693862541E-13 -1.911993856500086E-11 3.156055710471678E-9 -3.113170099832853E-9 3.287044197816353E-11
peri -4.529687581944114E-14 3.741611829514034E-13 3.810888820978061E-9 -3.113170099832853E-9 4.341687150091931E-9 -4.095319786147389E-11
i -7.197876140264574E-14 1.908716932425148E-13 -4.84182543442087E-11 3.287044197816353E-11 -4.095319786147389E-11 1.84699988813258E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO254690  

351078 (2003 UH55)          Discovered 2003-Oct-18 by NEAT at Palomar
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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