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541120 (2018 RU17)
Classification: Main-belt Asteroid          SPK-ID: 2541120
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2086213155433147 4.0292e-08  
a 2.47570889728155 3.1852e-08 au
q 1.959223250228384 1.08e-07 au
i 15.13410404454018 6.1733e-06 deg
node 170.9394783195486 2.0037e-05 deg
peri 228.0996615384966 3.1527e-05 deg
M 216.0035970060546 3.0277e-05 deg
tp 2459965.610942342760
(2023-Jan-21.11094234)
0.00012782 TDB
period 1422.812896597203
3.90
2.7459e-05
7.518e-08
d
yr
n .2530199162946692 4.883e-09 deg/d
Q 2.992194544334716 3.8497e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      3429 days (9.39 yr)  
   first obs. used      2012-01-24  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52361  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:00:34  

Additional Information
 Earth MOID = .994139 au 
 Jupiter MOID = 2.53817 au 
 T_jup = 3.404 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458019.5 (2017-Sep-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2078551452866519 4.023e-08  
q 1.961912081714149 1.0769e-07 au
tp 2458543.021787802322
(2019-Feb-28.52178780)
0.00010882 TDB
node 170.9530775676762 2.0038e-05 deg
peri 228.1877730029849 3.1603e-05 deg
i 15.13091544651192 6.1719e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      3429 days (9.39 yr)  
   first obs. used      2012-01-24  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52361  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:00:34  

Additional Information
 Jupiter MOID = 2.53817 au 
 T_jup = 3.404 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.618443712772519E-15 -4.217523193258341E-15 -9.250020756342336E-13 -3.399011345192795E-15 -2.236559250719053E-13 4.046252377400348E-15
q -4.217523193258341E-15 1.159672651804237E-14 4.043969236499004E-12 -3.671915747924407E-15 9.062006060217435E-13 -5.725584892106686E-15
tp -9.250020756342336E-13 4.043969236499004E-12 1.184167936731972E-8 -9.169607009682677E-11 2.680050872589268E-9 1.178148988059714E-11
node -3.399011345192795E-15 -3.671915747924407E-15 -9.169607009682677E-11 4.015084327924384E-10 -4.070404095732081E-10 -4.519172055421642E-11
peri -2.236559250719053E-13 9.062006060217435E-13 2.680050872589268E-9 -4.070404095732081E-10 9.987514219325185E-10 4.600766287442594E-11
i 4.046252377400348E-15 -5.725584892106686E-15 1.178148988059714E-11 -4.519172055421642E-11 4.600766287442594E-11 3.80922577990618E-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 17.06   .27511 E2021B25 autocmod 2.6n

541120 (2018 RU17)          Discovered 2014-May-07 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-05-29

Alternate Designations
 2018 RU17 = 2014 NZ19 = 2016 CE111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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