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JPL Small-Body Database Browser
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185943 (2000 YB98)
Classification: Main-belt Asteroid          SPK-ID: 2185943
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411530421559139 4.6588e-08  
a 2.196927814123523 1.1409e-08 au
q 1.886824769763046 1.0668e-07 au
i 3.427094823486418 4.2445e-06 deg
node 102.2385676505907 7.7071e-05 deg
peri 57.22145178446106 7.8975e-05 deg
M 313.1439699368922 2.1821e-05 deg
tp 2459155.305040257490
(2020-Nov-01.80504026)
7.2946e-05 TDB
period 1189.384043369377
3.26
9.2646e-06
2.537e-08
d
yr
n .3026776775818893 2.3577e-09 deg/d
Q 2.507030858484001 1.3019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      7952 days (21.77 yr)  
   first obs. used      1998-04-19  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:12:12  

Additional Information
 Earth MOID = .898416 au 
 Jupiter MOID = 2.47479 au 
 T_jup = 3.653 
[ 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 16.8   n/a MPO454280  
rotation period rot_per 4.92 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

185943 (2000 YB98)          Discovered 2000-Dec-30 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2000 YB98 = 1998 HN131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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