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115811 (2003 UH240)
Classification: Main-belt Asteroid          SPK-ID: 2115811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08114055178144294 5.0141e-08  
a 2.880815400105005 2.1645e-08 au
q 2.647064448960006 1.5127e-07 au
i 1.461275483244568 6.5176e-06 deg
node 347.638060052935 0.00014995 deg
peri 41.47149448250349 0.00015427 deg
M 191.4602432291929 3.8329e-05 deg
tp 2460036.625433120335
(2023-Apr-02.12543312)
0.00019477 TDB
period 1785.95935873249
4.89
2.0128e-05
5.511e-08
d
yr
n .2015723360331642 2.2717e-09 deg/d
Q 3.114566351250003 2.3401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      10020 days (27.43 yr)  
   first obs. used      1993-10-12  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57719  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:57:03  

Additional Information
 Earth MOID = 1.65081 au 
 Jupiter MOID = 2.26014 au 
 T_jup = 3.289 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457379.5 (2015-Dec-23.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08021222099602172 4.9707e-08  
q 2.650566342426252 1.4967e-07 au
tp 2458253.912630764714
(2018-May-15.41263076)
0.00018865 TDB
node 347.6692480580057 0.00014993 deg
peri 42.21527710972343 0.00015441 deg
i 1.461439428497947 6.5167e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      10020 days (27.43 yr)  
   first obs. used      1993-10-12  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57719  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:57:03  

Additional Information
 Jupiter MOID = 2.26014 au 
 T_jup = 3.289 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.470742678121502E-15 -7.378949621086551E-15 -4.343124265755889E-12 3.765758203507436E-15 -9.126601376180519E-13 -3.441585954063421E-16
q -7.378949621086551E-15 2.239972734725517E-14 1.404471586748159E-11 -1.419360237388056E-14 2.897570978903112E-12 1.113126079877708E-15
tp -4.343124265755889E-12 1.404471586748159E-11 3.558964018142321E-8 3.079562771361697E-13 6.961502305173461E-9 -8.329571623387622E-13
node 3.765758203507436E-15 -1.419360237388056E-14 3.079562771361697E-13 2.247811593242355E-8 -2.247019658820941E-8 -1.128261226535076E-10
peri -9.126601376180519E-13 2.897570978903112E-12 6.961502305173461E-9 -2.247019658820941E-8 2.384137774505071E-8 1.126268675185372E-10
i -3.441585954063421E-16 1.113126079877708E-15 -8.329571623387622E-13 -1.128261226535076E-10 1.126268675185372E-10 4.246748469067423E-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 15.76   n/a E2021B55  

115811 (2003 UH240)          Discovered 2003-Oct-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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