Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
101504 (1998 XK13)
Classification: Main-belt Asteroid          SPK-ID: 2101504
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2036170564706544 3.2615e-08  
a 2.378111917732182 6.4679e-09 au
q 1.893887769085772 7.7001e-08 au
i 3.846203906052842 3.7611e-06 deg
node 74.64115456140111 4.8198e-05 deg
peri 306.9680810011811 4.9081e-05 deg
M 29.61112433095972 7.8497e-06 deg
tp 2459090.320890502448
(2020-Aug-28.82089050)
2.9169e-05 TDB
period 1339.512778231385
3.67
5.4647e-06
1.496e-08
d
yr
n .2687544350829733 1.0964e-09 deg/d
Q 2.862336066378592 7.7848e-09 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      8126 days (22.25 yr)  
   first obs. used      1998-10-20  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48455  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:28:51  

Additional Information
 Earth MOID = .898755 au 
 Jupiter MOID = 2.59829 au 
 T_jup = 3.509 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457791.5 (2017-Feb-07.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2053794377184202 3.2732e-08  
q 1.889359772698212 7.7412e-08 au
tp 2457750.476040697359
(2016-Dec-27.97604070)
2.8715e-05 TDB
node 74.64998228008426 4.819e-05 deg
peri 306.8983785372043 4.9049e-05 deg
i 3.847889049570754 3.7632e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      8126 days (22.25 yr)  
   first obs. used      1998-10-20  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48455  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:28:51  

Additional Information
 Jupiter MOID = 2.59829 au 
 T_jup = 3.509 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.071372962948175E-15 -2.52833782942672E-15 1.704026568283233E-13 -8.061266003230079E-15 4.671116872763684E-14 -1.25572547484771E-15
q -2.52833782942672E-15 5.992580446913339E-15 -4.218347104243065E-13 1.852592402978573E-14 -1.155388536664165E-13 2.966155763772338E-15
tp 1.704026568283233E-13 -4.218347104243065E-13 8.24525957639717E-10 -8.714891915236112E-12 2.703909949153398E-10 2.896178676641421E-15
node -8.061266003230079E-15 1.852592402978573E-14 -8.714891915236112E-12 2.322288885209683E-9 -2.319285787687063E-9 -4.067945441164694E-11
peri 4.671116872763684E-14 -1.155388536664165E-13 2.703909949153398E-10 -2.319285787687063E-9 2.405830965883525E-9 4.063323411855682E-11
i -1.25572547484771E-15 2.966155763772338E-15 2.896178676641421E-15 -4.067945441164694E-11 4.063323411855682E-11 1.416139379431658E-11

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 16.31   n/a E2021B55  
diameter diameter 1.550 km 0.292 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.244   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101504 (1998 XK13)          Discovered 1998-Dec-15 by ODAS at Caussols
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1968-Dec-26 21:04 < 00:01 Hebe 0.0417212962264833 0.0417151857896589 0.0417274071171997 5.32750271784278 5.32750268987384 2440217.377653945 0.795091419529328 374.653240561909 31.8995824992601 35.7555391892814 115081.571292729 T 24 CATAB v2.0f-lin.ifort 2021-Feb-24 08:28:53 2021-Feb-24 08:28
2135-Apr-22 18:54 00:01 Amphi 0.0420063174015057 0.0419860125164561 0.0420266223084223 3.49853924286164 3.49853920374409 2500964.287514568 1.07888431202946 1013.15960337369 46.2937654059396 2.80436793416654 9074.47525494148 T 24 CATAB v2.0f-lin.ifort 2021-Feb-24 08:28:53 2021-Feb-24 08:28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-01 20:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin