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22698 (1998 RA5)
Classification: Main-belt Asteroid          SPK-ID: 2022698
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0161256612693248 4.3108e-08  
a 3.047744345856894 1.5581e-08 au
q 2.998597452900106 1.2768e-07 au
i 5.857195913455601 4.1271e-06 deg
node 313.1426485118694 3.6985e-05 deg
peri 357.7489174556985 0.00012679 deg
M 105.6319941561513 0.000121 deg
tp 2458630.257993601750
(2019-May-26.75799360)
0.00065341 TDB
period 1943.41803298632
5.32
1.4903e-05
4.08e-08
d
yr
n .1852406398878641 1.4205e-09 deg/d
Q 3.096891238813682 1.5832e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1604  
   data-arc span      9993 days (27.36 yr)  
   first obs. used      1993-10-24  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48645  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:09:52  

Additional Information
 Earth MOID = 1.98197 au 
 Jupiter MOID = 1.97677 au 
 T_jup = 3.230 
[ 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 13.79   n/a E2021B10  
diameter diameter 8.593 km 0.287 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.095   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22698 (1998 RA5)          Discovered 1998-Sep-10 by Visnjan at Visnjan
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RA5 = 1999 XE162 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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