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JPL Small-Body Database Browser
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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456184.5 (2012-Sep-14.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2592140289795929 4.6034e-08  
q 1.674554565203348 1.0238e-07 au
tp 2455786.947229177132
(2011-Aug-13.44722918)
3.3632e-05 TDB
node 53.48727541257041 0.00024629 deg
peri 221.6499244149627 0.00024653 deg
i 1.279639261473699 4.9219e-06 deg
  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
 Jupiter MOID = 2.28467 au 
 T_jup = 3.575 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.119084792490487E-15 -4.706945955000175E-15 6.86248939545189E-14 5.637329207142884E-14 -4.507030028162225E-14 -1.754921203155367E-15
q -4.706945955000175E-15 1.048129503037004E-14 -1.971887369377609E-13 -1.227390753083257E-13 8.744674024590613E-14 3.897594494866997E-15
tp 6.86248939545189E-14 -1.971887369377609E-13 1.131107208526777E-9 3.830559267565292E-12 3.907636870549479E-10 -6.799442216983802E-13
node 5.637329207142884E-14 -1.227390753083257E-13 3.830559267565292E-12 6.06593869404226E-8 -6.064198842324813E-8 5.299830486325584E-11
peri -4.507030028162225E-14 8.744674024590613E-14 3.907636870549479E-10 -6.064198842324813E-8 6.0777148745436E-8 -5.321135708036731E-11
i -1.754921203155367E-15 3.897594494866997E-15 -6.799442216983802E-13 5.299830486325584E-11 -5.321135708036731E-11 2.42250136188012E-11

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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