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80639 (2000 AT218)
Classification: Main-belt Asteroid          SPK-ID: 2080639
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2604183106320924 4.6283e-08  
a 2.259048708716366 7.2186e-09 au
q 1.67075106035684 1.0322e-07 au
i 1.275780446606463 4.9165e-06 deg
node 53.37980962342941 0.0002475 deg
peri 222.031793562191 0.00024772 deg
M 212.3355767496668 9.397e-06 deg
tp 2459509.198189831392
(2021-Oct-21.69818983)
3.2924e-05 TDB
period 1240.185985955747
3.40
5.9444e-06
1.627e-08
d
yr
n .2902790420765532 1.3914e-09 deg/d
Q 2.847346357075892 9.0985e-09 au
  Orbit Determination Parameters
   # obs. used (total)      442  
   data-arc span      8952 days (24.51 yr)  
   first obs. used      1994-05-04  
   last obs. used      2018-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58325  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:33:36  

Additional Information
 Earth MOID = .654663 au 
 Jupiter MOID = 2.28467 au 
 T_jup = 3.575 
[ 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 16.9   n/a MPO449506  

80639 (2000 AT218)          Discovered 2000-Jan-08 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ 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
2132-Oct-19 05:26 < 00:01 Hebe 0.0404535232010213 0.0404412356323606 0.0404658123782113 8.1374682749729 8.13746825608812 2500048.726484254 0.770510436465098 733.677686919862 51.9229536781082 33.4719512349303 64637.77550984 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 04:33:44 2019-Jul-13 04:33

Alternate Designations
 2000 AT218 = 2001 MQ20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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