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17741 (1998 BS23)
Classification: Main-belt Asteroid          SPK-ID: 2017741
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1141905003177442 3.7247e-08  
a 2.835015353434212 1.0104e-08 au
q 2.511283531817074 1.0442e-07 au
i .8864608468230987 2.9151e-06 deg
node 300.7300652573542 0.00026315 deg
peri 87.64243902953 0.00026377 deg
M 15.74835160482878 1.5362e-05 deg
tp 2459124.228172666702
(2020-Oct-01.72817267)
7.4502e-05 TDB
period 1743.538532094253
4.77
9.3209e-06
2.552e-08
d
yr
n .2064766527227739 1.1038e-09 deg/d
Q 3.158747175051351 1.1258e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1900  
   data-arc span      15835 days (43.35 yr)  
   first obs. used      1977-10-18  
   last obs. used      2021-02-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50752  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:11:29  

Additional Information
 Earth MOID = 1.515 au 
 Jupiter MOID = 2.27621 au 
 T_jup = 3.302 
[ 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 14.12   n/a E2021B10  
diameter diameter 3.637 km 0.523 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.335   0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17741 (1998 BS23)          Discovered 1998-Jan-26 by Spacewatch at Kitt Peak
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BS23 = 1977 UJ4 = 2000 NW1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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