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214987 (2008 AO117)
Classification: Outer Main-belt Asteroid          SPK-ID: 2214987
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1345617360195759 6.5955e-08  
a 3.212376260531466 5.026e-08 au
q 2.780113334166278 2.292e-07 au
i 2.51817903105863 7.6797e-06 deg
node 72.31146469095091 0.00018697 deg
peri 212.7725583238013 0.00019084 deg
M 306.0880398693544 4.3859e-05 deg
tp 2459515.434805501469
(2021-Oct-27.93480550)
0.00026077 TDB
period 2102.994024067793
5.76
4.9355e-05
1.351e-07
d
yr
n .1711845092662969 4.0175e-09 deg/d
Q 3.644639186896653 5.7024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      6235 days (17.07 yr)  
   first obs. used      2003-03-27  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57483  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:13:40  

Additional Information
 Earth MOID = 1.7622 au 
 Jupiter MOID = 1.50634 au 
 T_jup = 3.175 
[ 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 16.12   n/a E2021B55  
diameter diameter 3.700 km 0.885 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214987 (2008 AO117)          Discovered 2008-Jan-11 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ 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
1955-Oct-28 05:03 00:07 Jupiter 1.96768988846685 1.96768577896028 1.96769399797733 2.90879099679755 2.75683408287468 2435408.710352713 6.97213507326413 264.946935985037 45.5279360394547 -58.3444995435298 986089.857067595 T 11 CATAB v2.0f-lin.ifort 2020-May-21 09:13:41 2020-May-21 09:14
1966-Dec-29 05:23 00:06 Jupiter 1.75830205432478 1.75829908685889 1.75830502178968 2.19012360461822 1.9578524796114 2439488.724123918 5.57285206624937 180.676588772529 21.049362524534 -75.0614992965222 860489.3153471 T 11 CATAB v2.0f-lin.ifort 2020-May-21 09:13:41 2020-May-21 09:14
1978-Mar-21 12:11 00:04 Jupiter 1.59707548282375 1.59707396040981 1.59707700523761 1.74477112691742 1.4083711646722 2443589.007575607 3.97384175435938 157.942610523097 61.6047077352197 -88.1110855320815 1150632.13385328 T 11 CATAB v2.0f-lin.ifort 2020-May-21 09:13:41 2020-May-21 09:14
1989-Jun-29 08:28 00:03 Jupiter 1.50820545031479 1.50820474515154 1.5082061554771 1.57772986594399 1.16876538306942 2447706.852997859 2.52999198096248 169.118687005273 139.880046593367 -23.2328804763375 1138968.52833062 T 11 CATAB v2.0f-lin.ifort 2020-May-21 09:13:41 2020-May-21 09:14
2000-Oct-10 07:48 00:01 Jupiter 1.51021117677976 1.51021027748809 1.51021207607057 1.69020202971917 1.31721511165025 2451827.825203573 1.39017402252207 167.110505370387 120.939274646624 59.2632131285832 970320.222422871 T 11 CATAB v2.0f-lin.ifort 2020-May-21 09:13:41 2020-May-21 09:14
2012-Jan-01 13:04 < 00:01 Jupiter 1.60344843673601 1.603447501112 1.60344937235956 2.12485569568472 1.85970713580605 2455928.044266400 0.54397828463219 110.486554109159 23.7990742528968 -89.7591935360848 1131343.5089214 T 11 CATAB v2.0f-lin.ifort 2020-May-21 09:13:41 2020-May-21 09:14
2023-Feb-19 16:44 < 00:01 Jupiter 1.7850240647033 1.78502323761401 1.78502489179238 2.96931537567824 2.80496020632989 2459995.197133971 0.813587053870848 80.8670496059234 24.2193409012527 -84.038901688148 1590079.94230821 T 11 CATAB v2.0f-lin.ifort 2020-May-21 09:13:41 2020-May-21 09:14
2145-Jun-11 16:45 00:08 Jupiter 1.80699414212205 1.8069903957538 1.80699788849 2.26858512919258 2.05158112594127 2504667.197630895 7.61681862269782 233.427540937931 18.6228682273511 -76.1365879816149 823241.973984051 T 11 CATAB v2.0f-lin.ifort 2020-May-21 09:13:41 2020-May-21 09:14
2156-Sep-01 19:27 00:08 Jupiter 1.64788301813949 1.64787973421431 1.64788630206102 1.80949444893974 1.49875189466498 2508767.310647111 8.19176415297677 255.156285294364 58.2588146647196 75.384096029535 774510.289778532 T 11 CATAB v2.0f-lin.ifort 2020-May-21 09:13:41 2020-May-21 09:14
2167-Dec-09 19:26 00:09 Jupiter 1.5518453697027 1.551843354918 1.55184738449312 1.6155221827284 1.23218476689136 2512883.309904376 8.9768108006561 293.612935607211 109.158343835994 75.0012161279685 1096307.65521571 T 11 CATAB v2.0f-lin.ifort 2020-May-21 09:13:41 2020-May-21 09:14
2179-Mar-22 10:21 00:10 Jupiter 1.53685360669596 1.53685290973214 1.5368543036583 1.6908412879321 1.32539161566338 2517003.931264039 10.448168337266 169.488302723276 114.632894117008 -32.4022759874251 926472.972063952 T 11 CATAB v2.0f-lin.ifort 2020-May-21 09:13:41 2020-May-21 09:14
2190-Jun-16 06:43 00:13 Jupiter 1.60458664018385 1.60458343803608 1.60458984234556 2.06620480005755 1.79260999709289 2521107.779919872 12.7760014788625 384.695543036575 32.1420100354132 78.5835026787919 998843.909621932 T 11 CATAB v2.0f-lin.ifort 2020-May-21 09:13:41 2020-May-21 09:14

Alternate Designations
 2008 AO117 = 2005 SW262 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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