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102943 (1999 XY51)
Classification: Main-belt Asteroid          SPK-ID: 2102943
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1735291854595931 3.9559e-08  
a 3.043112452292075 2.0433e-08 au
q 2.515043627183886 1.2908e-07 au
i 7.163347116340947 5.5155e-06 deg
node 58.34085885659979 3.471e-05 deg
peri 51.03027132942967 3.9354e-05 deg
M 309.9722180625672 1.7908e-05 deg
tp 2459469.953715216180
(2021-Sep-12.45371522)
9.7526e-05 TDB
period 1938.989371928217
5.31
1.9529e-05
5.347e-08
d
yr
n .1856637304009563 1.8699e-09 deg/d
Q 3.571181277400263 2.3979e-08 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      9053 days (24.79 yr)  
   first obs. used      1996-03-26  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52916  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:22  

Additional Information
 Earth MOID = 1.53909 au 
 Jupiter MOID = 1.61954 au 
 T_jup = 3.204 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457655.5 (2016-Sep-24.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1693752043816388 3.9663e-08  
q 2.530905208665962 1.2896e-07 au
tp 2457529.346467596192
(2016-May-20.84646760)
9.5241e-05 TDB
node 58.39991197236579 3.4737e-05 deg
peri 51.18055311722608 3.9635e-05 deg
i 7.158077363494443 5.5133e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      9053 days (24.79 yr)  
   first obs. used      1996-03-26  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52916  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:22  

Additional Information
 Jupiter MOID = 1.61954 au 
 T_jup = 3.204 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.573185048586756E-15 -5.079418132245473E-15 -4.699395497113768E-13 4.605402380441058E-15 -2.835925156798224E-14 -1.622449739755281E-15
q -5.079418132245473E-15 1.662959647933145E-14 1.678152814639948E-12 -2.182961455396106E-14 1.332217849920319E-13 7.556409727196214E-15
tp -4.699395497113768E-13 1.678152814639948E-12 9.070942387713505E-9 -8.906197293647466E-12 1.83135156689908E-9 4.969018573193233E-12
node 4.605402380441058E-15 -2.182961455396106E-14 -8.906197293647466E-12 1.206673304883044E-9 -1.199164791661582E-9 -7.704643714226655E-11
peri -2.835925156798224E-14 1.332217849920319E-13 1.83135156689908E-9 -1.199164791661582E-9 1.570949386383336E-9 7.748167509656281E-11
i -1.622449739755281E-15 7.556409727196214E-15 4.969018573193233E-12 -7.704643714226655E-11 7.748167509656281E-11 3.039673864933337E-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 15.31   n/a MPCxxxxx  

102943 (1999 XY51)          Discovered 1999-Dec-07 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
1902-May-22 10:22 00:04 Jupiter 1.63408060887645 1.63408001084898 1.63408120691869 1.31612706918448 0.833963035832226 2415891.931787762 3.85841661052717 566.578588911362 270.221389051781 82.7357489193938 1762705.62130609 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:24 2021-Apr-13 15:44
1950-Sep-11 17:20 00:02 Jupiter 1.72142959836156 1.72142855317095 1.72143064355051 1.86045140360245 1.57390834173516 2433536.221968872 2.30983232047294 137.46344171892 75.1408742261583 -63.2044194780975 836132.671917758 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:24 2021-Apr-13 15:44
1959-Dec-18 10:09 00:02 Jupiter 1.88536585652707 1.88536462873985 1.88536708431385 2.49911817286704 2.31237289603098 2436920.922808764 1.81470244093229 74.6821661306903 22.2717878452313 72.0916501379309 1211123.98189531 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:24 2021-Apr-13 15:44
1998-Dec-28 22:26 < 00:01 Jupiter 1.89619615192436 1.89619536495485 1.89619693889365 3.13732591349534 2.99155856575406 2451176.434936276 0.672505789507752 89.0529282138752 25.7002579170593 -87.9171579927953 1606795.64852007 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:24 2021-Apr-13 15:44
2008-Mar-26 05:28 < 00:01 Jupiter 1.70257105395582 1.70257055514024 1.70257155277168 1.74462783789858 1.4313399428176 2454551.727547544 0.441709724589269 82.3600550323309 60.310805883578 88.7905338256535 1806439.06975707 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:24 2021-Apr-13 15:44
2056-Jul-07 11:17 00:01 Jupiter 1.63205590577413 1.63205540818376 1.63205640336543 1.27344648970368 0.763991973779156 2472186.970325623 1.38228247460459 335.181906455736 279.094848324715 9.20872557239211 1866980.26840255 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:24 2021-Apr-13 15:44
2104-Oct-25 08:27 00:03 Jupiter 1.68294284339601 1.68294186697016 1.68294381981909 1.67706469271833 1.34385605608448 2489827.851914663 3.09510287980389 225.586456582625 121.972804555534 -27.7871210385607 691342.60615166 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:24 2021-Apr-13 15:44
2114-Jan-31 03:03 00:03 Jupiter 1.95103696844099 1.95103516359501 1.95103877328609 2.70172186980042 2.53594592945724 2493212.627302749 3.20317408588384 74.8786651624125 40.1111998581221 52.5677419972702 940926.246026861 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:24 2021-Apr-13 15:44
2153-Feb-12 21:03 00:05 Jupiter 1.83559704275359 1.83559495703901 1.83559912846795 2.85114663612017 2.68442770733253 2507470.377357028 4.52756959522599 151.370771119346 34.2529468196944 80.1772021372603 743854.372747475 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:24 2021-Apr-13 15:44
2162-May-08 21:21 00:05 Jupiter 1.74504941840435 1.74504751839798 1.74505131840611 1.83879316896448 1.55254255040047 2510842.389527753 4.924968644486 154.535083360589 52.8859526703533 50.330218224723 743791.953011622 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:24 2021-Apr-13 15:44

Alternate Designations
 1999 XY51 = 2001 FT66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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