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115486 (2003 UN20)
Classification: Main-belt Asteroid          SPK-ID: 2115486
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0481292588815463 4.3966e-08  
a 2.202330498113356 9.3152e-09 au
q 2.096333963426933 9.9344e-08 au
i 8.18468610822053 4.2631e-06 deg
node 36.85007403570309 2.7221e-05 deg
peri 159.3359681422947 4.6648e-05 deg
M 284.6883246988929 3.8384e-05 deg
tp 2459450.236473117087
(2021-Aug-23.73647312)
0.00012759 TDB
period 1193.774138773272
3.27
7.5739e-06
2.074e-08
d
yr
n .3015645827023341 1.9133e-09 deg/d
Q 2.308327032799778 9.7635e-09 au
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      10548 days (28.88 yr)  
   first obs. used      1992-04-23  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54696  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:43:47  

Additional Information
 Earth MOID = 1.09356 au 
 Jupiter MOID = 2.64735 au 
 T_jup = 3.649 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457946.5 (2017-Jul-12.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04791387896126596 4.3971e-08  
q 2.096410929788767 9.9286e-08 au
tp 2458259.266499373887
(2018-May-20.76649937)
0.00012722 TDB
node 36.86794703805975 2.7202e-05 deg
peri 160.1392636189049 4.685e-05 deg
i 8.188231934857026 4.265e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      10548 days (28.88 yr)  
   first obs. used      1992-04-23  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54696  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:43:47  

Additional Information
 Jupiter MOID = 2.64735 au 
 T_jup = 3.649 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.933418108765531E-15 -4.349229016189303E-15 -1.439169985892327E-12 7.304023549651391E-15 -4.024073146028589E-13 -1.558330934410204E-15
q -4.349229016189303E-15 9.857624961886933E-15 3.325869706655528E-12 -1.566703066032338E-14 9.243739585292658E-13 3.562553930369702E-15
tp -1.439169985892327E-12 3.325869706655528E-12 1.618420308269722E-8 -2.700470827361284E-11 4.863228471734133E-9 9.944227437297088E-12
node 7.304023549651391E-15 -1.566703066032338E-14 -2.700470827361284E-11 7.399469492911823E-10 -7.401243704883464E-10 -3.216643764202862E-11
peri -4.024073146028589E-13 9.243739585292658E-13 4.863228471734133E-9 -7.401243704883464E-10 2.194899257275435E-9 3.48613029668806E-11
i -1.558330934410204E-15 3.562553930369702E-15 9.944227437297088E-12 -3.216643764202862E-11 3.48613029668806E-11 1.819035215771646E-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 16.74   n/a MPCxxxxx  

115486 (2003 UN20)          Discovered 2003-Oct-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2003 UN20 = 2000 WS106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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