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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835391334037497 6.4956e-08  
a 2.771608919475852 2.2068e-08 au
q 2.262910220261151 1.8708e-07 au
i 9.498455516042485 6.814e-06 deg
node 353.2449450795161 3.4339e-05 deg
peri 6.060792271576892 3.7956e-05 deg
M 257.4313274690661 2.1394e-05 deg
tp 2459480.684996558886
(2021-Sep-23.18499656)
0.0001042 TDB
period 1685.374242403925
4.61
2.0128e-05
5.511e-08
d
yr
n .2136024100418882 2.5511e-09 deg/d
Q 3.280307618690554 2.6118e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59268  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:08:18  

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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