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9747 (1989 AT)
Classification: Main-belt Asteroid          SPK-ID: 2009747
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1232058598700102 3.2403e-08  
a 3.026504806529807 1.6665e-08 au
q 2.653621679440583 1.031e-07 au
i 13.26663601574096 3.5981e-06 deg
node 99.86563098962573 1.9037e-05 deg
peri 356.3997147424449 2.8e-05 deg
M 350.4056444711471 2.0231e-05 deg
tp 2459051.753530433055
(2020-Jul-21.25353043)
0.00010822 TDB
period 1923.138130582272
5.27
1.5884e-05
4.349e-08
d
yr
n .1871940420062298 1.5461e-09 deg/d
Q 3.399387933619031 1.8718e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1782  
   data-arc span      11353 days (31.08 yr)  
   first obs. used      1989-01-04  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47795  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:27:00  

Additional Information
 Earth MOID = 1.67059 au 
 Jupiter MOID = 1.78174 au 
 T_jup = 3.193 
[ 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 13.1   n/a MPO502243  
diameter diameter 9.193 km 0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.140   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9747 (1989 AT)          Discovered 1989-Jan-04 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19981208/Numbers.arcLast Updated: 2004-04-19

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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
1902-Aug-13 20:09 00:03 Jupiter 1.84469365573023 1.84469266927316 1.84469464220009 3.42220357560153 3.28529195711496 2415975.339797228 2.98583443452792 265.155892610494 13.0045367012317 78.8689065239985 3975377.85673998 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 19:27:14 2020-Feb-22 19:27
1949-Dec-30 04:57 00:02 Jupiter 1.83378932347341 1.83378869159472 1.83378995535626 3.41923164440035 3.28136408271917 2433280.706081952 1.74682341257481 163.615397698487 12.4079546891508 79.1421347399136 3973918.30465944 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 19:27:14 2020-Feb-22 19:27
1997-May-21 13:04 < 00:01 Jupiter 1.83132891153494 1.83132848232848 1.83132934074203 3.42214416080382 3.28420991007565 2450590.044534210 0.561189697964081 72.3014584250012 10.3584230236114 75.2209240702487 4003338.8952589 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 19:27:14 2020-Feb-22 19:27
2044-Oct-14 05:40 < 00:01 Jupiter 1.82646170110713 1.82646130195456 1.82646210026032 3.41590054820204 3.27732750386527 2467902.736355506 0.74407679100668 83.5380985875783 12.4452380260925 79.6110871147381 3975961.70614689 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 19:27:14 2020-Feb-22 19:27
2092-Mar-12 06:06 00:02 Jupiter 1.81685067879274 1.81685019215213 1.81685116543759 3.39885122065506 3.25880073223778 2485218.754455857 1.93553529052934 182.025012869551 13.0392337014194 82.857576915522 3931648.94695253 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 19:27:14 2020-Feb-22 19:27
2139-Aug-12 12:03 00:03 Jupiter 1.8113954098004 1.81139481830281 1.81139600131118 3.3871911537764 3.24620523535225 2502537.001982202 3.17353931419749 292.270379664482 13.062715292853 83.7685071197253 3907803.91181147 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 19:27:14 2020-Feb-22 19:27
2187-Jan-13 05:59 00:04 Jupiter 1.81037069890734 1.81037001467055 1.81037138317211 3.37958407184978 3.23818524228077 2519857.749495339 4.47256585180807 407.719298160742 13.087098570835 84.3430483767523 3895390.0197007 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 19:27:14 2020-Feb-22 19:27

Alternate Designations
 1989 AT = 1994 AA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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