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541094 (2018 RX4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2541094
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05264420021940283 7.9644e-08  
a 1.926651068199636 2.4016e-08 au
q 1.825224063612408 1.4622e-07 au
i 18.11049631219694 8.816e-06 deg
node 275.7113251895462 2.1809e-05 deg
peri 345.5635637470478 9.1295e-05 deg
M 32.63441336898864 9.1785e-05 deg
tp 2459111.952493124714
(2020-Sep-19.45249312)
0.00024811 TDB
period 976.7941012046667
2.67
1.8264e-05
5e-08
d
yr
n .3685525942018046 6.8911e-09 deg/d
Q 2.028078072786863 2.528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      6942 days (19.01 yr)  
   first obs. used      2001-01-17  
   last obs. used      2020-01-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49356  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:06  

Additional Information
 Earth MOID = .809222 au 
 Jupiter MOID = 3.06968 au 
 T_jup = 3.856 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   .24646 E2018T04 autocmod 2.6n

541094 (2018 RX4)          Discovered 2004-May-11 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2019-05-29

Alternate Designations
 2018 RX4 = 2004 JE45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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