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181085 (2005 QF42)
Classification: Main-belt Asteroid          SPK-ID: 2181085
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2266766496063937 5.7618e-08  
a 3.03712079297903 2.7704e-08 au
q 2.34867642717663 1.8995e-07 au
i .5544867283741596 5.9172e-06 deg
node 184.7443284613808 0.00062244 deg
peri 127.3079458444219 0.00062264 deg
M 342.7870731552299 1.9049e-05 deg
tp 2459292.936553998030
(2021-Mar-19.43655400)
0.00010309 TDB
period 1933.265605517963
5.29
2.6452e-05
7.242e-08
d
yr
n .1862134199110982 2.5479e-09 deg/d
Q 3.72556515878143 3.3984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      8997 days (24.63 yr)  
   first obs. used      1995-11-27  
   last obs. used      2020-07-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55513  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:09  

Additional Information
 Earth MOID = 1.33256 au 
 Jupiter MOID = 1.56938 au 
 T_jup = 3.201 
[ 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 15.53   n/a E2021B55  
diameter diameter 4.440 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181085 (2005 QF42)          Discovered 2005-Aug-26 by LONEOS at Anderson Mesa
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ 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
1905-Nov-04 02:35 00:05 Jupiter 1.86761500767407 1.86761218097188 1.86761783437488 2.55122666881915 2.36678985567038 2417153.607556207 4.61250535993729 158.489950599659 14.3316581518108 -78.6278557156573 1045872.03753587 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:10 2021-Apr-13 21:29
1944-Sep-23 07:34 00:03 Jupiter 1.8596751519802 1.85967308056865 1.85967722338487 1.63404964194598 1.32634167700688 2431356.815476230 3.23349449117004 153.093775044932 113.837442889026 24.8909101056483 592796.904058942 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:10 2021-Apr-13 21:29
1953-Dec-26 23:46 00:03 Jupiter 1.68998904028319 1.68998743664393 1.68999064391438 1.60090427529562 1.24919753992729 2434738.489994802 2.80121390063652 294.947776019666 71.5847798785213 -5.54568777243187 507983.318095509 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:10 2021-Apr-13 21:29
2002-Feb-06 21:36 < 00:01 Jupiter 1.58182929786972 1.58182861299366 1.58182998354964 1.06135204561786 0.235643137125646 2452312.399992215 0.64835624222909 24577.8483798096 1285.72327543135 -13.6238708503488 3898007.83275583 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:10 2021-Apr-13 21:29
2050-Mar-07 04:47 00:02 Jupiter 1.56441283548281 1.56441220894996 1.5644134620158 0.870199427323922 n/a 2469872.699263282 1.60477521737555 111.886743054849 30.5333172409139 86.474162639122 7649059.89013949 F 13 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:10 2021-Apr-13 21:29
2098-Apr-09 12:35 00:04 Jupiter 1.64637551503477 1.64637383567593 1.64637719439877 0.99170621963191 n/a 2487438.024013330 3.84459293075742 187.412480791884 41.7758741405139 66.5928581841875 5433853.17062681 F 13 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:10 2021-Apr-13 21:29
2107-Jul-10 05:29 00:04 Jupiter 1.92753207218841 1.92752953176772 1.92753461261019 2.85749111371667 2.69933104780884 2490815.728572181 4.33590847506375 164.679174226594 21.709321122303 -68.3360463020307 1274829.70044799 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:10 2021-Apr-13 21:29
2146-May-26 04:39 00:06 Jupiter 1.80789644120961 1.80789310317496 1.80789977921332 1.43974568182514 1.06575895631024 2505015.693480307 5.92087292364363 689.769493058656 153.192798091492 -9.4077310558574 352295.046738191 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:10 2021-Apr-13 21:29
2155-Aug-29 01:05 00:07 Jupiter 1.74860170428156 1.74859869612002 1.748604712427 1.83468246469513 1.54830872983576 2508397.545261952 6.51040782040053 217.610846506781 58.1455768771777 20.7538733817504 424056.533383693 T 13 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:10 2021-Apr-13 21:29

Alternate Designations
 2005 QF42 = 2004 JV23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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