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115666 (2003 UK143)
Classification: Main-belt Asteroid          SPK-ID: 2115666
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1811983419764376 6.1098e-08  
a 2.385274613494932 1.1921e-08 au
q 1.953066808371162 1.4599e-07 au
i 3.532045682118835 5.9341e-06 deg
node 358.2368472113222 6.9293e-05 deg
peri 19.06621220461802 7.0047e-05 deg
M 250.4765049670671 1.2888e-05 deg
tp 2459609.865085634807
(2022-Jan-30.36508563)
5.0222e-05 TDB
period 1345.569101718468
3.68
1.0087e-05
2.762e-08
d
yr
n .2675447879564364 2.0057e-09 deg/d
Q 2.817482418618701 1.4081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      15600 days (42.71 yr)  
   first obs. used      1977-09-09  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54919  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:36  

Additional Information
 Earth MOID = .9536 au 
 Jupiter MOID = 2.65099 au 
 T_jup = 3.511 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457116.5 (2015-Apr-04.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1796697665147391 6.0808e-08  
q 1.957245582392251 1.4496e-07 au
tp 2456916.606834909399
(2014-Sep-16.10683491)
3.9762e-05 TDB
node 358.2745818523169 6.9257e-05 deg
peri 18.77473620716513 7.0037e-05 deg
i 3.533740702406534 5.9281e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      15600 days (42.71 yr)  
   first obs. used      1977-09-09  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54919  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:36  

Additional Information
 Jupiter MOID = 2.65099 au 
 T_jup = 3.511 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.697559850664418E-15 -8.79422962950355E-15 4.611476482290238E-13 2.406716754225399E-15 5.547906255470597E-14 -3.464013039848231E-15
q -8.79422962950355E-15 2.101359489523399E-14 -9.562644571585379E-13 -6.59626189488956E-15 -9.481529268375376E-14 8.426632675706152E-15
tp 4.611476482290238E-13 -9.562644571585379E-13 1.581028897589952E-9 -3.699378240104126E-12 4.284733873327795E-10 -8.565222636358189E-13
node 2.406716754225399E-15 -6.59626189488956E-15 -3.699378240104126E-12 4.796582878328336E-9 -4.787961685311957E-9 1.743945288876599E-10
peri 5.547906255470597E-14 -9.481529268375376E-14 4.284733873327795E-10 -4.787961685311957E-9 4.905123778050897E-9 -1.74251716940754E-10
i -3.464013039848231E-15 8.426632675706152E-15 -8.565222636358189E-13 1.743945288876599E-10 -1.74251716940754E-10 3.514256559620311E-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 16.37   n/a E2021B55  

115666 (2003 UK143)          Discovered 2003-Oct-18 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 UK143 = 1977 RJ12 = 1999 RN59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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