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JPL Small-Body Database Browser
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74177 (1998 RZ18)
Classification: Main-belt Asteroid          SPK-ID: 2074177
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1450442720987307 4.4265e-08  
a 2.532928096055186 1.2487e-08 au
q 2.165541384084438 1.1361e-07 au
i 5.45595724207762 3.6173e-06 deg
node 41.06866504798455 5.5094e-05 deg
peri 38.85182513474726 5.6839e-05 deg
M 315.954215327329 1.5109e-05 deg
tp 2458780.650125684788
(2019-Oct-24.15012568)
6.2005e-05 TDB
period 1472.423427769321
4.03
1.0888e-05
2.981e-08
d
yr
n .2444948872793947 1.808e-09 deg/d
Q 2.900314808025934 1.4298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1067  
   data-arc span      7773 days (21.28 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52728  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:45:04  

Additional Information
 Earth MOID = 1.18399 au 
 Jupiter MOID = 2.34773 au 
 T_jup = 3.429 
[ 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 14.7   n/a MPO359264  

74177 (1998 RZ18)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RZ18 = 2001 KT47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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