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109281 (2001 QX118)
Classification: Main-belt Asteroid          SPK-ID: 2109281
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2628188092830046 4.2231e-08  
a 2.602170794790934 1.0683e-08 au
q 1.918271364952971 1.0736e-07 au
i 12.24701573875787 5.551e-06 deg
node 314.9709350171157 2.352e-05 deg
peri 160.5095331557693 2.6781e-05 deg
M 61.75954378122872 1.3953e-05 deg
tp 2458737.470958262192
(2019-Sep-10.97095826)
5.8384e-05 TDB
period 1533.211698600521
4.20
9.4418e-06
2.585e-08
d
yr
n .2348012347731233 1.4459e-09 deg/d
Q 3.286070224628898 1.3491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1010  
   data-arc span      7767 days (21.26 yr)  
   first obs. used      1999-02-23  
   last obs. used      2020-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52227  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:32:56  

Additional Information
 Earth MOID = .938543 au 
 Jupiter MOID = 1.82998 au 
 T_jup = 3.333 
[ 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 14.9   n/a MPO459510  
diameter diameter 4.811 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.101   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

109281 (2001 QX118)          Discovered 2001-Aug-17 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
1937-Dec-11 19:51 00:01 Jupiter 1.83455703053352 1.83455666470276 1.83455739636667 3.31065030295925 3.1681220327147 2428879.327180878 1.34556613991105 279.320273476893 12.5083497617885 87.4340722815281 2603215.48443523 T 23 CATAB v2.0f-lin.ifort 2020-Jun-24 01:33:09 2020-Jun-24 01:33
2009-Jul-28 07:50 < 00:01 Jupiter 1.85948385105585 1.85948327599028 1.85948442612987 3.36321685009014 3.22493377789122 2455040.826303796 0.242261077352328 269.753225081408 12.8263234004382 84.6115002337831 2291207.49794649 T 23 CATAB v2.0f-lin.ifort 2020-Jun-24 01:33:09 2020-Jun-24 01:33
2068-Feb-10 09:46 < 00:01 Jupiter 1.87666413424496 1.87666351758549 1.87666475092716 3.24843621157683 3.10638830615819 2476421.906703664 0.849695411625216 400.092325028303 9.0374874953064 85.7817638256743 2441247.21058436 T 23 CATAB v2.0f-lin.ifort 2020-Jun-24 01:33:09 2020-Jun-24 01:33
2081-Mar-21 00:07 00:01 Jupiter 1.98781037903598 1.98780967713057 1.98781108096488 3.32637007260489 3.19570356030671 2481209.504678708 1.1280618629259 629.4949370243 27.4443371005297 87.7391850631605 2325684.67276837 T 23 CATAB v2.0f-lin.ifort 2020-Jun-24 01:33:09 2020-Jun-24 01:33
2139-Sep-28 04:45 00:02 Jupiter 1.81996041270254 1.81995998250966 1.81996084291819 3.33899056418802 3.19656749779131 2502583.698182826 2.00963186397211 433.873970636526 11.731745557609 87.5930688127026 2364537.20043185 T 23 CATAB v2.0f-lin.ifort 2020-Jun-24 01:33:09 2020-Jun-24 01:33
2198-Apr-10 16:54 00:03 Jupiter 1.9813665875507 1.98136431624028 1.98136885904752 3.18151170140931 3.04417944881823 2523963.204410643 3.08069871340113 1004.81877013052 13.1761602726787 83.2998775636554 2436910.50111418 T 23 CATAB v2.0f-lin.ifort 2020-Jun-24 01:33:09 2020-Jun-24 01:33
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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