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332887 (2011 AJ55)
Classification: Main-belt Asteroid          SPK-ID: 2332887
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303196296702011 9.5992e-08  
a 2.741217699996864 4.7166e-08 au
q 2.383983224487872 2.71e-07 au
i 4.387796330681513 9.3423e-06 deg
node 105.6532062032253 0.0001295 deg
peri 94.34542084152135 0.00013711 deg
M 312.5354533786584 3.8933e-05 deg
tp 2459219.064968197289
(2021-Jan-04.56496820)		 0.00017979 TDB
period 1657.729698310136
4.54		 4.2785e-05
1.171e-07		 d
yr
n .2171644752259541 5.6048e-09 deg/d
Q 3.098452175505856 5.3312e-08 au
   Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      4694 days (12.85 yr)  
   first obs. used      2007-03-15  
   last obs. used      2020-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61374  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 21:12:13  

Additional Information
 Earth MOID = 1.38637 au 
 Jupiter MOID = 1.86945 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 17.3   n/a MPO413328  

332887 (2011 AJ55)          Discovered 2007-Mar-15 by Bickel, W. at Bergisch Gladbach
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ 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
1927-Aug-18 18:36 00:06 Jupiter 1.91162089017475 1.91161907799399 1.91162270237996 2.30616067304661 2.1052777780252 2425111.274699548 6.45944192971296 426.562840253725 14.668039382315 -89.0515056507566 1213244.7683527 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 21:12:15 2020-Feb-25 21:12
1964-Jul-27 05:34 00:04 Jupiter 1.92234957701696 1.92234815719766 1.92235099683638 2.32096961628907 2.12265476278814 2438603.732133789 3.69371358232305 163.309006243195 17.7029161248021 84.8921054440911 934869.08424211 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 21:12:15 2020-Feb-25 21:12
2023-Apr-27 10:34 < 00:01 Jupiter 1.86510463849869 1.86510380401192 1.86510547298462 2.08312461490273 1.85232934010198 2460061.940384020 0.951453270203725 124.735835719954 26.3122022160793 87.7554914473161 1114606.06221541 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 21:12:15 2020-Feb-25 21:12
2082-Jan-26 11:14 00:05 Jupiter 1.88913372710482 1.88913224224343 1.88913521198372 2.20250861032545 1.98854545921768 2481520.967851412 5.31325620889032 385.411913175513 15.9455517583903 -89.7732020413912 1209918.09682856 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 21:12:15 2020-Feb-25 21:12
2119-Jan-04 07:38 00:08 Jupiter 1.94512402404079 1.94512098448014 1.94512706360057 2.42735178568738 2.24078511169629 2495011.818271399 8.05845698766778 206.938168519166 28.6825796063686 79.2016337638949 618930.23653983 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 21:12:15 2020-Feb-25 21:12
2140-Oct-29 17:50 00:10 Jupiter 1.98662361657668 1.98661923020741 1.98662800299698 2.65535215580975 2.48961229161013 2502981.243391911 9.72463482841371 585.262490340211 22.9357998465973 -79.7362045590356 1222037.45926823 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 21:12:15 2020-Feb-25 21:12
2177-Oct-06 19:38 00:13 Jupiter 1.87268717574293 1.87268550383648 1.87268884770709 2.11665403122206 1.8909303970645 2516472.317931868 12.5957326148005 669.209159374322 25.8378317755345 -88.9662543479609 1042773.42769579 T 10 CATAB v2.0f-lin.ifort 2020-Feb-25 21:12:15 2020-Feb-25 21:12

Alternate Designations
 2011 AJ55 = 2009 UK159 
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