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101538 (1998 YO15)
Classification: Main-belt Asteroid          SPK-ID: 2101538
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1443480519873649 5.5134e-08  
a 3.049526650379254 2.9631e-08 au
q 2.609333418913454 1.7842e-07 au
i 1.236859863033293 5.8482e-06 deg
node 38.59326741721689 0.00026355 deg
peri 3.691271975382084 0.00026448 deg
M 99.22115019663457 2.5144e-05 deg
tp 2458664.396265022877
(2019-Jun-29.89626502)		 0.00013091 TDB
period 1945.123032834086
5.33		 2.835e-05
7.762e-08		 d
yr
n .1850782669903776 2.6975e-09 deg/d
Q 3.489719881845054 3.3908e-08 au
   Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      8117 days (22.22 yr)  
   first obs. used      1998-12-22  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53651  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:16  

Additional Information
 Earth MOID = 1.61694 au 
 Jupiter MOID = 1.91298 au 
 T_jup = 3.221 
[ 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 15.7   n/a MPO412743  
diameter diameter 4.632 km 1.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101538 (1998 YO15)          Discovered 1998-Dec-22 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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