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JPL Small-Body Database Browser
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74212 (1998 RS66)
Classification: Main-belt Asteroid          SPK-ID: 2074212
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009325363589025 4.3467e-08  
a 2.731859212410188 1.8223e-08 au
q 2.456125733126194 1.2099e-07 au
i 2.366696086677223 4.5735e-06 deg
node 270.8635884696687 0.00011797 deg
peri 95.39286766894227 0.00012033 deg
M 201.1961525018114 2.6392e-05 deg
tp 2459328.019129881655
(2021-Apr-23.51912988)
0.00012434 TDB
period 1649.247741056043
4.52
1.6502e-05
4.518e-08
d
yr
n .2182813358104014 2.1841e-09 deg/d
Q 3.007592691694182 2.0063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      7560 days (20.70 yr)  
   first obs. used      1998-08-27  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58315  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:16  

Additional Information
 Earth MOID = 1.45499 au 
 Jupiter MOID = 2.44676 au 
 T_jup = 3.345 
[ 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 15.1   n/a MPO436302  

74212 (1998 RS66)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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