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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835391451339634 7.1081e-08  
a 2.771608918340594 2.3511e-08 au
q 2.262910186822692 2.0096e-07 au
i 9.498455439390533 7.9997e-06 deg
node 353.2449130935954 3.5145e-05 deg
peri 6.060807271998584 3.8693e-05 deg
M 257.4313431099655 2.1702e-05 deg
tp 2459480.684923039500
(2021-Sep-23.18492304)
0.00010594 TDB
period 1685.374241368425
4.61
2.1445e-05
5.871e-08
d
yr
n .2136024101731264 2.7179e-09 deg/d
Q 3.280307649858496 2.7826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      7516 days (20.58 yr)  
   first obs. used      1998-09-12  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60246  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:28:20  

Additional Information
 Earth MOID = 1.25949 au 
 Jupiter MOID = 2.1705 au 
 T_jup = 3.293 
[ 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 14.8   n/a MPO433026  

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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