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382835 (2004 AT23)
Classification: Main-belt Asteroid          SPK-ID: 2382835
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1265747437984212 1.0395e-07  
a 2.275568477675591 1.7953e-08 au
q 1.98753898061804 2.389e-07 au
i 2.407100168848866 1.2734e-05 deg
node 265.898907595878 0.00022121 deg
peri 219.386546782953 0.00022593 deg
M 328.8354072322433 4.7346e-05 deg
tp 2459309.040606999077
(2021-Apr-04.54060700)
0.00016557 TDB
period 1253.814507086869
3.43
1.4838e-05
4.062e-08
d
yr
n .2871238113494391 3.3978e-09 deg/d
Q 2.563597974733143 2.0225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      6213 days (17.01 yr)  
   first obs. used      2004-01-15  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49737  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:55:41  

Additional Information
 Earth MOID = 1.00359 au 
 Jupiter MOID = 2.49165 au 
 T_jup = 3.597 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456974.5 (2014-Nov-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1258380869032164 1.037e-07  
q 1.989123389901211 2.3819e-07 au
tp 2456800.432502031765
(2014-May-22.93250203)
0.00015328 TDB
node 265.9433139249809 0.0002214 deg
peri 219.1505006891453 0.00022618 deg
i 2.405471068591434 1.273e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      6213 days (17.01 yr)  
   first obs. used      2004-01-15  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49737  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:55:41  

Additional Information
 Jupiter MOID = 2.49165 au 
 T_jup = 3.597 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.075443843336945E-14 -2.464779633711323E-14 -4.993966293876576E-12 7.413934131334282E-14 -1.58315009130849E-12 -9.018125503544622E-15
q -2.464779633711323E-14 5.67356851837412E-14 1.228651129120764E-11 -1.726781108581951E-13 3.88025376284298E-12 2.105607273313607E-14
tp -4.993966293876576E-12 1.228651129120764E-11 2.349462643126848E-8 -6.918652561687425E-11 7.143872838411138E-9 3.21981017732175E-12
node 7.413934131334282E-14 -1.726781108581951E-13 -6.918652561687425E-11 4.901823015454502E-8 -4.899445444093401E-8 2.621628032821307E-10
peri -1.58315009130849E-12 3.88025376284298E-12 7.143872838411138E-9 -4.899445444093401E-8 5.115791340822253E-8 -2.608623254415457E-10
i -9.018125503544622E-15 2.105607273313607E-14 3.21981017732175E-12 2.621628032821307E-10 -2.608623254415457E-10 1.620411521514284E-10

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 18.6   n/a MPO278427  

382835 (2004 AT23)          Discovered 2004-Jan-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21

[ 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
1959-Apr-08 03:49 < 00:01 Iris 0.048892839109298 0.0488878067442492 0.0488978788201252 4.84311893413464 4.84311890985721 2436666.658737620 0.795401398323175 1053.48941864861 96.4382226085834 77.2407811837866 73958.9263369212 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 10:55:41 2021-Apr-14 10:55
2070-Dec-28 07:37 00:02 Eunom 0.0368313284189906 0.0368095707425752 0.0368530877148348 4.74719449324358 4.74719441295764 2477473.817238398 2.20417446732314 1151.06850776428 112.737494737124 -19.7312509918211 17090.7259668194 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 10:55:41 2021-Apr-14 10:55

Alternate Designations
 2004 AT23 = 2006 UU127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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