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18554 (1997 BO1)
Classification: Main-belt Asteroid          SPK-ID: 2018554
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08080325491624969 4.5849e-08  
a 2.969967701970746 1.3795e-08 au
q 2.729984644655375 1.4346e-07 au
i 2.391113165774223 2.9973e-06 deg
node 59.35498961560747 9.1297e-05 deg
peri 309.9071669050081 9.3352e-05 deg
M 353.5553698600819 1.8875e-05 deg
tp 2459233.967364507761
(2021-Jan-19.46736451)
9.8025e-05 TDB
period 1869.502354862359
5.12
1.3025e-05
3.566e-08
d
yr
n .1925646143550885 1.3416e-09 deg/d
Q 3.209950759286116 1.491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2028  
   data-arc span      11543 days (31.60 yr)  
   first obs. used      1989-07-05  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48899  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:31:40  

Additional Information
 Earth MOID = 1.72845 au 
 Jupiter MOID = 2.21937 au 
 T_jup = 3.257 
[ 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 13.52   n/a E2021B10  

18554 (1997 BO1)          Discovered 1997-Jan-29 by Kobayashi, T. at Oizumi
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 BO1 = 1998 HC62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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