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JPL Small-Body Database Browser
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74170 (1998 RB3)
Classification: Main-belt Asteroid          SPK-ID: 2074170
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 .1445241945415942 6.4469e-08  
a 2.394279000026612 1.4598e-08 au
q 2.048247756039912 1.5814e-07 au
i 1.176679744814511 6.6152e-06 deg
node 182.0800136878651 0.00028638 deg
peri 48.63088496544059 0.00028723 deg
M 312.4141618131118 2.5751e-05 deg
tp 2458779.369290430971
(2019-Oct-22.86929043)
9.7559e-05 TDB
period 1353.195551631421
3.70
1.2376e-05
3.388e-08
d
yr
n .2660369372083597 2.4331e-09 deg/d
Q 2.740310244013311 1.6708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      373  
   data-arc span      17538 days (48.02 yr)  
   first obs. used      1971-03-25  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62823  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:37:04  

Additional Information
 Earth MOID = 1.03796 au 
 Jupiter MOID = 2.24766 au 
 T_jup = 3.515 
[ 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 16.6   n/a MPO250859  

74170 (1998 RB3)          Discovered 1998-Sep-13 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RB3 = 2002 TW229 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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