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49433 (1998 YS)
Classification: Main-belt Asteroid          SPK-ID: 2049433
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1129462286488837 4.0756e-08  
a 3.017456274277227 1.979e-08 au
q 2.676645967984703 1.2643e-07 au
i 3.628850152734489 4.2289e-06 deg
node 82.08026412845722 7.0891e-05 deg
peri 44.23070690612433 7.3477e-05 deg
M 297.9386874968295 1.8789e-05 deg
tp 2458930.548953726897
(2020-Mar-22.04895373)
0.00010059 TDB
period 1914.519989173815
5.24
1.8835e-05
5.157e-08
d
yr
n .1880366891104402 1.8499e-09 deg/d
Q 3.358266580569751 2.2025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1099  
   data-arc span      13054 days (35.74 yr)  
   first obs. used      1984-03-11  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54289  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:19:39  

Additional Information
 Earth MOID = 1.69389 au 
 Jupiter MOID = 1.7027 au 
 T_jup = 3.235 
[ 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 14.3   n/a MPO272870  
diameter diameter 7.212 km 0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49433 (1998 YS)          Discovered 1998-Dec-16 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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