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79874 (1998 YW15)
Classification: Main-belt Asteroid          SPK-ID: 2079874
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .215325516487815 4.5296e-08  
a 2.903209699756121 1.9585e-08 au
q 2.278074571683701 1.3449e-07 au
i 7.004015636038324 5.1678e-06 deg
node 286.5805025188639 4.4433e-05 deg
peri 330.1232341397842 4.6103e-05 deg
M 359.7494570599962 1.4491e-05 deg
tp 2459001.757464417760
(2020-Jun-01.25746442)
7.2737e-05 TDB
period 1806.824771781037
4.95
1.8283e-05
5.006e-08
d
yr
n .1992445563191709 2.0161e-09 deg/d
Q 3.528344827828542 2.3802e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      7418 days (20.31 yr)  
   first obs. used      1998-12-11  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58366  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:43:18  

Additional Information
 Earth MOID = 1.26612 au 
 Jupiter MOID = 1.58041 au 
 T_jup = 3.240 
[ 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 14.7   n/a MPO474689  
diameter diameter 7.758 km 0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79874 (1998 YW15)          Discovered 1998-Dec-22 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 YW15 = 2000 JA48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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