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541122 (2018 RD22)
Classification: Mars-crossing Asteroid          SPK-ID: 2541122
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1259753024855554 9.6589e-08  
a 1.875165982987615 1.472e-08 au
q 1.638941381070126 1.8875e-07 au
i 17.10610086272785 1.1059e-05 deg
node 338.7514435373833 1.7191e-05 deg
peri 49.64540111702232 4.2302e-05 deg
M 284.5462435700241 3.9219e-05 deg
tp 2459397.078657969444
(2021-Jul-01.57865797)
0.00010352 TDB
period 937.9031637036596
2.57
1.1044e-05
3.024e-08
d
yr
n .3838349351316889 4.5198e-09 deg/d
Q 2.111390584905103 1.6575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      7204 days (19.72 yr)  
   first obs. used      2000-08-26  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52002  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:11  

Additional Information
 Earth MOID = .6709 au 
 Jupiter MOID = 3.28028 au 
 T_jup = 3.913 
[ 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 18.49   .45946 MPCxxxxx autocmod 2.6n

541122 (2018 RD22)          Discovered 2000-Aug-26 by LINEAR at Socorro
Reference: Last Updated: 2019-05-29

Alternate Designations
 2018 RD22 = 2000 QP34 = 2012 DZ60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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