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146839 (2002 AK49)
Classification: Main-belt Asteroid          SPK-ID: 2146839
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06031665805565435 3.9429e-08  
a 3.187820860623609 3.5931e-08 au
q 2.995542159830693 1.3085e-07 au
i 12.17213368795098 4.4702e-06 deg
node 123.4384244519832 2.3944e-05 deg
peri 169.4343527184708 4.8423e-05 deg
M 268.9749956829804 4.3188e-05 deg
tp 2459526.151002110201
(2021-Nov-07.65100211)
0.00025154 TDB
period 2078.927237406238
5.69
3.5148e-05
9.623e-08
d
yr
n .1731662337779325 2.9277e-09 deg/d
Q 3.380099561416525 3.8098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      527  
   data-arc span      6684 days (18.30 yr)  
   first obs. used      2002-01-09  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54908  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:47  

Additional Information
 Earth MOID = 1.98041 au 
 Jupiter MOID = 1.83699 au 
 T_jup = 3.160 
[ 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 MPO436737  
diameter diameter 6.904 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146839 (2002 AK49)          Discovered 2002-Jan-09 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ 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
1990-May-29 20:02 00:01 Jupiter 1.88003390919211 1.88003337126813 1.88003444711706 3.88594611368079 3.76822314468053 2448041.334851974 1.40098619238796 113.732349634183 18.8220929202702 -82.422443343526 3260256.55413838 T 21 CATAB v2.0f-lin.ifort 2020-May-20 23:57:09 2020-May-20 23:57
2001-May-11 03:38 < 00:01 Jupiter 1.83697265209123 1.83697216014577 1.83697314403669 3.24902668659402 3.10386540928517 2452040.651494668 0.873700336778883 77.8388791283992 22.3085089435881 -87.1511049688678 2752316.67447004 T 21 CATAB v2.0f-lin.ifort 2020-May-20 23:57:09 2020-May-20 23:57
2012-Mar-22 11:48 < 00:01 Jupiter 1.87629457639014 1.87629403671207 1.87629511606812 2.71180861159849 2.53988949341954 2456008.991909283 0.357668398244795 82.2829833823174 20.8669136866855 88.8387878606195 2803501.58150449 T 21 CATAB v2.0f-lin.ifort 2020-May-20 23:57:09 2020-May-20 23:57
2023-Jan-17 14:37 < 00:01 Jupiter 1.93164301661455 1.93164250311604 1.93164353011306 3.41328683013609 3.28230559760124 2459962.108900625 0.480718471663093 48.0266784978886 19.7588009105154 76.1029751768839 3017475.76744872 T 21 CATAB v2.0f-lin.ifort 2020-May-20 23:57:09 2020-May-20 23:57
2033-Dec-06 14:47 < 00:01 Jupiter 1.99993141196779 1.99993094089065 1.99993188304505 4.60141583535467 4.50843388830795 2463938.116294147 0.952969026462978 78.650078902039 21.2741937332942 -87.5169574725256 3773133.44534566 T 21 CATAB v2.0f-lin.ifort 2020-May-20 23:57:09 2020-May-20 23:57
2121-Aug-18 08:38 00:05 Jupiter 1.98378480685414 1.98378302633493 1.98378658739804 4.17421613485118 4.07064299285284 2495968.859561533 4.75405887952151 372.96082421126 16.8924608074413 -77.0817966359502 3798390.29498509 T 21 CATAB v2.0f-lin.ifort 2020-May-20 23:57:09 2020-May-20 23:57
2132-Aug-14 18:49 00:05 Jupiter 1.85650148484202 1.85650053744748 1.85650243225789 3.81654658492591 3.69506895842109 2499983.284253660 5.42399365380185 361.060574325267 18.9265957367762 -84.772133696723 3066621.0133658 T 21 CATAB v2.0f-lin.ifort 2020-May-20 23:57:09 2020-May-20 23:57
2143-Jul-27 12:58 00:07 Jupiter 1.84011507832363 1.84011441435867 1.8401157422888 3.23914183573344 3.09377128473648 2503982.040364514 6.51490440697747 83.5034604077858 51.2130854658386 82.8649354385388 1122278.5097219 T 21 CATAB v2.0f-lin.ifort 2020-May-20 23:57:09 2020-May-20 23:57
2154-Jun-05 07:29 00:08 Jupiter 1.90254367748789 1.90254255197039 1.90254480305395 2.83949364521051 2.67811754311515 2507947.811805082 7.78181307045334 571.650778202087 22.3584773566065 -85.7808833642765 2952485.75251094 T 21 CATAB v2.0f-lin.ifort 2020-May-20 23:57:09 2020-May-20 23:57
2165-Apr-02 09:18 00:08 Jupiter 1.97187434325148 1.97187331185189 1.97187537468626 3.66675672482221 3.54767542650889 2511901.887425784 8.11346355800963 493.776283111434 22.4201845165691 -88.9004849433958 3157769.57848782 T 21 CATAB v2.0f-lin.ifort 2020-May-20 23:57:09 2020-May-20 23:57
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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