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24964 (1997 UY20)
Classification: Main-belt Asteroid          SPK-ID: 2024964
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2321907907182319 3.2711e-08  
a 3.091746968834784 1.8771e-08 au
q 2.373871795440339 9.8868e-08 au
i 11.6246848421087 5.3959e-06 deg
node 206.2894617433615 1.8175e-05 deg
peri 83.4458568099477 2.1302e-05 deg
M 185.033426963926 1.1603e-05 deg
tp 2460361.565804204272
(2024-Feb-21.06580420)
6.7804e-05 TDB
period 1985.657508659711
5.44
1.8083e-05
4.951e-08
d
yr
n .1813001479006289 1.6511e-09 deg/d
Q 3.809622142229229 2.313e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1198  
   data-arc span      10802 days (29.57 yr)  
   first obs. used      1991-07-14  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50235  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:05:13  

Additional Information
 Earth MOID = 1.39261 au 
 Jupiter MOID = 1.57793 au 
 T_jup = 3.152 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457142.5 (2015-Apr-30.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2349511093991189 3.2351e-08  
q 2.361111007438708 9.7663e-08 au
tp 2456395.577440550274
(2013-Apr-13.07744055)
5.8969e-05 TDB
node 206.3638197539342 1.8188e-05 deg
peri 83.6042625666821 2.1282e-05 deg
i 11.62791338799284 5.3987e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1198  
   data-arc span      10802 days (29.57 yr)  
   first obs. used      1991-07-14  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50235  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:05:13  

Additional Information
 Jupiter MOID = 1.57793 au 
 T_jup = 3.152 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.046616288599864E-15 -3.12749940207726E-15 -2.470376557884811E-13 -1.776274111635648E-16 -5.380807618999127E-14 -2.619176083329103E-15
q -3.12749940207726E-15 9.538085636847674E-15 6.936656281824731E-13 9.515926824376223E-16 1.678524220772896E-13 9.181067547523578E-15
tp -2.470376557884811E-13 6.936656281824731E-13 3.477388378739886E-9 1.522673258316814E-12 6.598608703705107E-10 3.544228024900463E-12
node -1.776274111635648E-16 9.515926824376223E-16 1.522673258316814E-12 3.307949123215817E-10 -3.233969516808407E-10 5.294000053556521E-12
peri -5.380807618999127E-14 1.678524220772896E-13 6.598608703705107E-10 -3.233969516808407E-10 4.529436911971367E-10 -4.49002311958108E-12
i -2.619176083329103E-15 9.181067547523578E-15 3.544228024900463E-12 5.294000053556521E-12 -4.49002311958108E-12 2.914586527669824E-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 14.0   n/a MPO502345  

24964 (1997 UY20)          Discovered 1997-Oct-27 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ 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
1906-Dec-08 02:47 00:04 Jupiter 1.61357450813167 1.6135731007298 1.61357591555031 1.8868329790695 1.58438244379071 2417552.616100666 3.57249807997597 391.412610819822 140.517926453814 48.3542450261678 755366.651004439 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 19:05:16 2021-Jul-08 19:05
1916-Oct-15 11:24 00:03 Jupiter 1.9004983806802 1.90049624501606 1.90050051635623 4.26994266415053 4.16425761965966 2421151.974961776 2.76555999065922 269.536018134195 22.1971951358694 -69.0630972286129 2434021.11485734 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 19:05:16 2021-Jul-08 19:05
1967-Jun-28 06:46 00:02 Jupiter 1.86827245217835 1.86827131899404 1.86827358545091 1.08279799450901 0.515468134241871 2439669.781746786 1.7840527241648 4710.76904055363 254.538996426013 -16.9246753805728 2110790.83248658 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 19:05:16 2021-Jul-08 19:05
1977-Jan-23 16:03 00:01 Jupiter 1.618159293706 1.61815868311703 1.61815990429607 3.13676961072966 2.96520273557629 2443167.168789624 1.10526947164747 160.040127377183 20.4781884886884 -85.7943499061421 1660664.83186306 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 19:05:16 2021-Jul-08 19:05
2037-May-23 03:50 < 00:01 Jupiter 1.61572890061269 1.61572825269861 1.61572954852631 1.73669004571792 1.40271922951353 2465201.659575190 0.870314998776657 206.491113517851 144.517017224641 -74.5451178405762 954091.648015742 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 19:05:16 2021-Jul-08 19:05
2047-Mar-23 16:37 < 00:01 Jupiter 1.95234220577818 1.95234127615911 1.95234313539837 4.49250616033887 4.39487346617854 2468793.192661402 0.987445633498711 98.5673083724963 21.6598602399921 -67.4042601650156 2656030.00894376 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 19:05:16 2021-Jul-08 19:05
2097-Dec-10 19:43 00:03 Jupiter 1.82336637052052 1.82336502438483 1.82336771680058 1.07407075369424 0.47386969095336 2487318.321627111 3.13273083653662 9416.22583792227 277.129419130215 -10.9858148461114 1630661.90108427 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 19:05:16 2021-Jul-08 19:05
2107-Jul-02 17:36 00:03 Jupiter 1.66562096474891 1.66561967412053 1.66562225539916 3.18052998671136 3.01640611570009 2490808.233193517 2.83374249219197 349.929379119159 19.6737411322191 -84.0147969909936 1519198.51747891 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 19:05:16 2021-Jul-08 19:05
2167-Nov-07 16:00 00:05 Jupiter 1.62367542453579 1.62367458212319 1.62367626696582 1.58516649060262 1.21219351091372 2512851.166697314 5.27278506326804 904.130130798211 284.11865116984 20.4306238564539 359123.278530706 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 19:05:16 2021-Jul-08 19:05
2177-Sep-02 09:22 00:05 Jupiter 1.99646662581687 1.99646320882712 1.99647004283602 4.70598375022561 4.61494978023916 2516437.890018320 4.55662020769117 424.96534899809 20.9844180543917 -68.3471846787227 2895353.16678063 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 19:05:16 2021-Jul-08 19:05

Alternate Designations
 1997 UY20 = 1991 NK2 = 1996 JH13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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