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160555 (1998 RB1)
Classification: Main-belt Asteroid          SPK-ID: 2160555
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .18350152962801 6.4981e-08  
a 2.773049197218518 2.1992e-08 au
q 2.264190427795195 1.8739e-07 au
i 9.498328436643316 6.8133e-06 deg
node 353.2242063897688 3.4331e-05 deg
peri 5.915508238542714 3.7945e-05 deg
M 300.3002230939258 2.1741e-05 deg
tp 2459480.208069697182
(2021-Sep-22.70806970)
0.00010422 TDB
period 1686.688130332696
4.62
2.0065e-05
5.493e-08
d
yr
n .2134360190991507 2.539e-09 deg/d
Q 3.281907966641842 2.6027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      7946 days (21.75 yr)  
   first obs. used      1998-09-12  
   last obs. used      2020-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59272  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:50  

Additional Information
 Earth MOID = 1.25906 au 
 Jupiter MOID = 2.16938 au 
 T_jup = 3.292 
[ 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 14.83   n/a E2021B55  

160555 (1998 RB1)          Discovered 1998-Sep-12 by Kobayashi, T. at Oizumi
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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