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103201 (1999 XB250)
Classification: Main-belt Asteroid          SPK-ID: 2103201
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1778500959169925 4.7608e-08  
a 2.812705648593993 1.8821e-08 au
q 2.312465679205285 1.3123e-07 au
i 6.797128914405657 4.9771e-06 deg
node 248.1480406673419 4.2584e-05 deg
peri 239.2446540367342 4.4909e-05 deg
M 149.7235533939029 1.3108e-05 deg
tp 2458483.907134716499
(2018-Dec-31.40713472)
6.242e-05 TDB
period 1722.998323606215
4.72
1.7294e-05
4.735e-08
d
yr
n .2089381022997888 2.0972e-09 deg/d
Q 3.312945617982701 2.2169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      607  
   data-arc span      7524 days (20.60 yr)  
   first obs. used      1999-12-06  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50966  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:45:36  

Additional Information
 Earth MOID = 1.33649 au 
 Jupiter MOID = 1.82488 au 
 T_jup = 3.287 
[ 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 15.22   n/a E2021B55  
diameter diameter 5.627 km 0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103201 (1999 XB250)          Discovered 1999-Dec-06 by LINEAR at Socorro
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
1975-Jan-03 23:54 00:01 Jupiter 1.94162078680775 1.94162011202148 1.9416214615938 2.20578453040138 1.99824804241847 2442416.496044900 1.2962135789471 78.9438571569129 18.6517150175517 -78.3377103077587 1562078.26578992 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 15:45:38 2021-Apr-13 15:45
1998-May-07 20:04 < 00:01 Jupiter 1.87454316179703 1.87454265261455 1.8745436709794 1.75315111482562 1.47303359309863 2450941.335946755 0.571151490295067 61.7730080630353 47.0898907612937 89.3471002496334 1952179.53155961 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 15:45:38 2021-Apr-13 15:45
2021-Sep-22 21:19 < 00:01 Jupiter 1.8344032904478 1.83440281338114 1.83440376751529 1.58211091538657 1.25681715025055 2459480.387966582 0.377430356362196 121.457806804487 56.0078868810695 56.476646494456 2822758.30960464 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 15:45:38 2021-Apr-13 15:45
2045-Feb-12 18:30 00:01 Jupiter 1.8309924906759 1.83099200353552 1.83099297781806 1.66047890910842 1.35350815498102 2468024.271103824 1.10271646733319 223.552059945562 50.3357276861895 69.9670346386061 2632801.73885717 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 15:45:38 2021-Apr-13 15:45
2068-Jul-05 03:11 00:02 Jupiter 1.84352325580264 1.84352257739729 1.84352393420988 1.86018703323325 1.59417022629468 2476567.632471651 1.94195992457094 218.923036654347 38.3522362918628 72.9966906129183 1859454.64780007 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 15:45:38 2021-Apr-13 15:45
2091-Nov-18 14:40 00:03 Jupiter 1.89360827733725 1.89360707208152 1.89360948259159 2.17707057420944 1.96087330255603 2485104.111368468 2.84754278734363 126.317356394113 25.8133874408766 80.5793190068826 822903.756512205 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 15:45:38 2021-Apr-13 15:45
2115-Mar-21 06:43 00:04 Jupiter 1.98708565680473 1.98708363650312 1.98708767710815 2.61161298281586 2.44294800292485 2493626.779925188 3.75379034827119 173.240460850167 22.1775073392754 74.7508470582911 980103.319543211 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 15:45:38 2021-Apr-13 15:45
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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