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120021 (2003 AW40)
Classification: Main-belt Asteroid          SPK-ID: 2120021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304044593710813 3.2747e-08  
a 2.247735146075566 7.6347e-09 au
q 1.954620459542204 7.4267e-08 au
i 4.491207738091115 3.9241e-06 deg
node 170.2428780775684 4.621e-05 deg
peri 265.237610009101 4.9116e-05 deg
M 211.2545002575907 1.6712e-05 deg
tp 2459905.077878415778
(2022-Nov-21.57787842)
5.8284e-05 TDB
period 1230.881179912963
3.37
6.2713e-06
1.717e-08
d
yr
n .2924733970060832 1.4901e-09 deg/d
Q 2.540849832608929 8.6303e-09 au
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      7909 days (21.65 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53731  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:04:34  

Additional Information
 Earth MOID = .97555 au 
 Jupiter MOID = 2.69141 au 
 T_jup = 3.614 
[ 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 16.65   n/a E2021B55  

120021 (2003 AW40)          Discovered 2003-Jan-07 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ 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
1913-Oct-25 19:21 00:02 Iris 0.035529294719841 0.0355218192613284 0.0355367738961367 3.59241518242445 3.59241513738429 2420066.306119936 1.54523607933873 686.582155189625 43.150306330844 -57.3021117824935 103669.748250393 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 17:04:36 2021-Apr-13 17:04
2031-Oct-12 11:10 < 00:01 Iris 0.0450814830043254 0.045077882507256 0.0450850835440768 3.71249596784265 3.71249593349406 2463151.965245427 0.646393640883779 193.125168834068 44.3632533013786 -22.3196939308943 66113.4149231387 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 17:04:36 2021-Apr-13 17:04
2149-Oct-03 08:59 00:01 Iris 0.0390472211036682 0.0390266582348094 0.0390677841331201 3.68609651034826 3.68609647040751 2506241.874605311 1.43258401304347 1032.49080779791 43.8753543829985 -6.98990677507783 17134.4556914913 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 17:04:36 2021-Apr-13 17:04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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