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15044 (1998 XY16)
Classification: Main-belt Asteroid          SPK-ID: 2015044
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05548457801207069 4.2376e-08  
a 3.103387788425365 1.7068e-08 au
q 2.93119762657677 1.3164e-07 au
i 5.491398802968544 4.3993e-06 deg
node 166.5317662893235 4.2464e-05 deg
peri 205.0023917117356 5.6127e-05 deg
M 64.7158120642342 3.5716e-05 deg
tp 2458641.528143107615
(2019-Jun-07.02814311)
0.0001987 TDB
period 1996.882436598193
5.47
1.6473e-05
4.51e-08
d
yr
n .1802810187530525 1.4872e-09 deg/d
Q 3.27557795027396 1.8015e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1682  
   data-arc span      10638 days (29.13 yr)  
   first obs. used      1991-09-07  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46702  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:36:10  

Additional Information
 Earth MOID = 1.93136 au 
 Jupiter MOID = 2.02457 au 
 T_jup = 3.212 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456942.5 (2014-Oct-12.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0536662685019027 4.2219e-08  
q 2.93531013939966 1.3031e-07 au
tp 2456616.055980119921
(2013-Nov-19.55598012)
0.00021132 TDB
node 166.6076363823087 4.2457e-05 deg
peri 199.9923961098257 5.7114e-05 deg
i 5.488426103671869 4.4007e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1682  
   data-arc span      10638 days (29.13 yr)  
   first obs. used      1991-09-07  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46702  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:36:10  

Additional Information
 Jupiter MOID = 2.02457 au 
 T_jup = 3.212 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.78245786514335E-15 -5.460330276886354E-15 2.713894397423125E-14 3.142373033834365E-15 -3.745860261266684E-14 -9.434006113926655E-16
q -5.460330276886354E-15 1.697949601359428E-14 -8.561359211825952E-13 -8.016234647991233E-15 -1.964090971583336E-14 3.409079965749927E-15
tp 2.713894397423125E-14 -8.561359211825952E-13 4.465409317034116E-8 2.455013521061566E-11 8.090064985138191E-9 -5.935567594793492E-12
node 3.142373033834365E-15 -8.016234647991233E-15 2.455013521061566E-11 1.802587631539591E-9 -1.789952929008402E-9 2.444553294315883E-11
peri -3.745860261266684E-14 -1.964090971583336E-14 8.090064985138191E-9 -1.789952929008402E-9 3.26202033175706E-9 -2.538143356557216E-11
i -9.434006113926655E-16 3.409079965749927E-15 -5.935567594793492E-12 2.444553294315883E-11 -2.538143356557216E-11 1.936573074388455E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6   n/a MPO502284  
diameter diameter 7.116 km 0.320 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.167   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15044 (1998 XY16)          Discovered 1998-Dec-15 by Korlevic, K. at Visnjan
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XY16 = 1995 JT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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