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541095 (2018 RE9)
Classification: Main-belt Asteroid          SPK-ID: 2541095
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05886678375358954 9.4014e-08  
a 2.735315476247642 3.351e-08 au
q 2.574296251609526 2.6763e-07 au
i 6.929167942229032 9.1618e-06 deg
node 37.21101761699956 5.5622e-05 deg
peri 2.791857391491165 8.7978e-05 deg
M 179.7604730117989 6.9161e-05 deg
tp 2458571.410116285730
(2019-Mar-28.91011629)
0.00031019 TDB
period 1652.378596698736
4.52
3.0365e-05
8.313e-08
d
yr
n .2178677457570795 4.0036e-09 deg/d
Q 2.896334700885759 3.5483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      6594 days (18.05 yr)  
   first obs. used      2003-04-25  
   last obs. used      2021-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52897  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:00:31  

Additional Information
 Earth MOID = 1.58125 au 
 Jupiter MOID = 2.35608 au 
 T_jup = 3.339 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457564.5 (2016-Jun-25.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05686604692946581 9.3493e-08  
q 2.582525251418264 2.6547e-07 au
tp 2456918.459190538024
(2014-Sep-17.95919054)
0.00031161 TDB
node 37.23587943726541 5.5643e-05 deg
peri 3.103393939218046 9.0245e-05 deg
i 6.926565941808209 9.1563e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      6594 days (18.05 yr)  
   first obs. used      2003-04-25  
   last obs. used      2021-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52897  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:00:31  

Additional Information
 Jupiter MOID = 2.35608 au 
 T_jup = 3.339 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.740969581247607E-15 -2.465786316558975E-14 -9.510683209906325E-12 9.789106862916343E-15 -2.447180316961115E-12 -1.256693236912097E-14
q -2.465786316558975E-14 7.047587131617795E-14 2.955888562766579E-11 -2.670589595587727E-14 7.578540466842508E-12 3.478253801627203E-14
tp -9.510683209906325E-12 2.955888562766579E-11 9.710006309320648E-8 9.228226177431745E-11 2.214578698708067E-8 -8.171954786387407E-12
node 9.789106862916343E-15 -2.670589595587727E-14 9.228226177431745E-11 3.096109716044615E-9 -3.052253824985311E-9 -4.262385531002284E-11
peri -2.447180316961115E-12 7.578540466842508E-12 2.214578698708067E-8 -3.052253824985311E-9 8.144093758333549E-9 4.097500535698926E-11
i -1.256693236912097E-14 3.478253801627203E-14 -8.171954786387407E-12 -4.262385531002284E-11 4.097500535698926E-11 8.383704132208047E-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 17.3   .34743 MPO452120 autocmod 2.6n

541095 (2018 RE9)          Discovered 2003-Apr-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29

Alternate Designations
 2018 RE9 = 2014 WP220 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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