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101504 (1998 XK13)
Classification: Main-belt Asteroid          SPK-ID: 2101504
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ 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 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

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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 ]
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