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101505 (1998 XM16)
Classification: Main-belt Asteroid          SPK-ID: 2101505
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2173567966937267 4.9251e-08  
a 2.876366120327605 2.0521e-08 au
q 2.251168394294834 1.4677e-07 au
i 27.68135914452222 5.5229e-06 deg
node 92.3228503256092 1.14e-05 deg
peri 352.2635399001084 1.7348e-05 deg
M 152.3865366121782 1.5745e-05 deg
tp 2458246.261370248501
(2018-May-07.76137025)
7.3111e-05 TDB
period 1781.823465163262
4.88
1.9068e-05
5.221e-08
d
yr
n .202040217248466 2.1621e-09 deg/d
Q 3.501563846360375 2.4981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1007  
   data-arc span      7934 days (21.72 yr)  
   first obs. used      1998-11-23  
   last obs. used      2020-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52735  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:12  

Additional Information
 Earth MOID = 1.26942 au 
 Jupiter MOID = 1.74609 au 
 T_jup = 3.094 
[ 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 14.4   n/a MPO493570  
diameter diameter 4.078 km 1.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.222   0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101505 (1998 XM16)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 XM16 = 2003 ST252 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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