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JPL Small-Body Database Browser
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74193 (1998 RW45)
Classification: Main-belt Asteroid          SPK-ID: 2074193
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1213346900171298 4.5633e-08  
a 2.599704381023668 1.0125e-08 au
q 2.284270055815987 1.1932e-07 au
i 2.189386102968206 5.0302e-06 deg
node 215.1115485717089 0.00010283 deg
peri 161.2452346064103 0.00010414 deg
M 312.8078729295003 1.562e-05 deg
tp 2458801.201874054755
(2019-Nov-13.70187405)
6.6547e-05 TDB
period 1531.032380714147
4.19
8.9443e-06
2.449e-08
d
yr
n .2351354579660025 1.3737e-09 deg/d
Q 2.915138706231349 1.1353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      10569 days (28.94 yr)  
   first obs. used      1990-11-22  
   last obs. used      2019-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55386  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:50:53  

Additional Information
 Earth MOID = 1.28494 au 
 Jupiter MOID = 2.54528 au 
 T_jup = 3.404 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO351366  

74193 (1998 RW45)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RW45 = 2000 CA18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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