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541121 (2018 RV18)
Classification: Main-belt Asteroid          SPK-ID: 2541121
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2664155315437021 4.8352e-08  
a 2.365103638304508 1.602e-08 au
q 1.735003295349669 1.1324e-07 au
i 5.607413376978424 5.2296e-06 deg
node 267.1186646299932 6.1533e-05 deg
peri 29.13534209035191 6.2462e-05 deg
M 249.8939010930178 1.1285e-05 deg
tp 2459606.833441108285
(2022-Jan-27.33344111)
4.3363e-05 TDB
period 1328.537113303418
3.64
1.3498e-05
3.696e-08
d
yr
n .2709747408597847 2.7531e-09 deg/d
Q 2.995203981259348 2.0287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      8059 days (22.06 yr)  
   first obs. used      1999-03-22  
   last obs. used      2021-04-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63549  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:04  

Additional Information
 Earth MOID = .719643 au 
 Jupiter MOID = 2.2275 au 
 T_jup = 3.493 
[ 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 17.35   .29373 MPCxxxxx autocmod 2.6n

541121 (2018 RV18)          Discovered 2007-May-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-05-29

Alternate Designations
 2018 RV18 = 2011 UX125 = 2016 AE83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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