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109540 (2001 QN252)
Classification: Main-belt Asteroid          SPK-ID: 2109540
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1571317637642179 4.9006e-08  
a 3.077239878303726 2.5227e-08 au
q 2.593707748700274 1.4788e-07 au
i 2.712188508950331 5.5593e-06 deg
node 60.62471646238387 0.00010626 deg
peri 292.4381281454727 0.00010758 deg
M 151.8932319173761 1.9421e-05 deg
tp 2458168.589938575658
(2018-Feb-19.08993858)
0.00010187 TDB
period 1971.698266817262
5.40
2.4246e-05
6.638e-08
d
yr
n .1825837178328082 2.2452e-09 deg/d
Q 3.560772007907177 2.9191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      7182 days (19.66 yr)  
   first obs. used      2000-06-04  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56433  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:27:38  

Additional Information
 Earth MOID = 1.5901 au 
 Jupiter MOID = 1.87778 au 
 T_jup = 3.208 
[ 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 15.3   n/a MPO417562  
diameter diameter 4.656 km 0.804 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109540 (2001 QN252)          Discovered 2001-Aug-25 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
1945-Mar-27 04:45 00:03 Jupiter 1.89817207380487 1.89817131948793 1.89817282812289 2.14499827854146 1.92576124161908 2431541.698064407 2.73201855343978 140.959488144358 8.31212856273729 -87.8723485891208 2030501.94360514 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 03:27:50 2020-Feb-24 03:27
1954-Dec-27 22:09 00:02 Jupiter 1.94688712118012 1.94688646690586 1.94688777545427 2.76674270577154 2.60475241195505 2435104.422814192 2.34809883267929 64.5098720418217 13.0584686690964 89.1883163508351 1796854.96043102 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 03:27:50 2020-Feb-24 03:27
2004-Sep-11 13:24 < 00:01 Jupiter 1.90584944094851 1.90584889376961 1.90584998812708 2.17077168184157 1.95534742615803 2453260.058356020 0.498137180306199 73.8369440668901 8.13239995445428 89.5740588044078 2111671.3451523 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 03:27:50 2020-Feb-24 03:27
2014-Jun-14 20:25 < 00:01 Jupiter 1.94120866800014 1.94120823730989 1.94120909869028 2.69264612521535 2.52540447563045 2456823.350832611 0.245994717001166 53.5222864851489 10.3988323426015 -86.4809773546983 2966142.74161986 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 03:27:50 2020-Feb-24 03:27
2064-Feb-27 18:34 00:02 Jupiter 1.91382859370816 1.91382811226661 1.91382907514949 2.19963005446602 1.98826862072045 2474978.273692193 1.84816077401082 113.355903691611 7.53780646357482 89.4109207953887 2298371.76547976 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 03:27:50 2020-Feb-24 03:27
2073-Nov-30 19:15 00:02 Jupiter 1.93610075969275 1.93610017318264 1.93610134620275 2.62407059402913 2.451686921446 2478542.301882368 2.23805380913493 72.2015629766176 10.3775499004537 -89.5641630419557 2127043.05254876 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 03:27:50 2020-Feb-24 03:27
2123-Aug-16 02:02 00:04 Jupiter 1.92220027735723 1.92219959904094 1.92220095567582 2.23171169843758 2.02465600546206 2496696.584506788 4.10612244806139 192.004928901868 8.29849705545446 -89.2493644186806 2170890.57696148 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 03:27:50 2020-Feb-24 03:27
2133-May-19 23:39 00:05 Jupiter 1.93144770589659 1.9314468145468 1.93144859724748 2.5602890594834 2.38285426247708 2500261.485368247 4.51551667720638 123.063636122755 9.43189583423848 89.5361257656508 1958884.63892789 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 03:27:50 2020-Feb-24 03:27
2183-Jan-31 17:40 00:06 Jupiter 1.93110134275799 1.93110030578922 1.93110237973511 2.26743833240944 2.0649536665338 2518415.236392102 6.35837207411107 265.422416060412 9.18723595552876 -88.415083714106 2079284.03135448 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 03:27:50 2020-Feb-24 03:27
2192-Nov-05 14:55 00:07 Jupiter 1.92704176343933 1.92704056954557 1.92704295733768 2.50057081157284 2.31813791739312 2521981.121369820 6.7930312302996 194.781788827788 8.13707718156127 -89.7804102073479 2071829.40665044 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 03:27:50 2020-Feb-24 03:27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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