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376818 (2001 AG54)
Classification: Mars-crossing Asteroid          SPK-ID: 2376818
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2764335952280963 7.6907e-08  
a 2.244920357922169 1.3809e-08 au
q 1.624348952380999 1.6928e-07 au
i 8.565759047023299 7.2985e-06 deg
node 103.0244394591154 5.6513e-05 deg
peri 6.144956821213968 5.9073e-05 deg
M 282.6898988356046 2.0538e-05 deg
tp 2459264.335709084569
(2021-Feb-18.83570908)
7.1775e-05 TDB
period 1228.569796700612
3.36
1.1336e-05
3.104e-08
d
yr
n .2930236450275748 2.7036e-09 deg/d
Q 2.865491763463339 1.7626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      6346 days (17.37 yr)  
   first obs. used      2001-01-04  
   last obs. used      2018-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60167  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:21:25  

Additional Information
 Earth MOID = .641391 au 
 Jupiter MOID = 2.27685 au 
 T_jup = 3.566 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457240.5 (2015-Aug-06.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2753416328325671 7.6598e-08  
q 1.627365478717799 1.684e-07 au
tp 2456804.766520807101
(2014-May-27.26652081)
5.8538e-05 TDB
node 103.068269485195 5.6585e-05 deg
peri 5.928527680316105 5.9184e-05 deg
i 8.558728208758991 7.2894e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      6346 days (17.37 yr)  
   first obs. used      2001-01-04  
   last obs. used      2018-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60167  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:21:25  

Additional Information
 Jupiter MOID = 2.27685 au 
 T_jup = 3.566 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.867299400859858E-15 -1.287939314096089E-14 2.045519481486512E-12 -4.746334306662215E-14 4.326163967424321E-13 -1.373865255330124E-14
q -1.287939314096089E-14 2.835963724787665E-14 -4.306518549073917E-12 1.073764807062346E-13 -8.951884507187493E-13 2.953688416515356E-14
tp 2.045519481486512E-12 -4.306518549073917E-12 3.426676300357965E-9 -9.457841132650772E-11 1.078445767811644E-9 -2.366964402355862E-11
node -4.746334306662215E-14 1.073764807062346E-13 -9.457841132650772E-11 3.201807307893658E-9 -3.19095507952513E-9 7.956911758254315E-11
peri 4.326163967424321E-13 -8.951884507187493E-13 1.078445767811644E-9 -3.19095507952513E-9 3.502717209336852E-9 -8.545529521955174E-11
i -1.373865255330124E-14 2.953688416515356E-14 -2.366964402355862E-11 7.956911758254315E-11 -8.545529521955174E-11 5.313604982972841E-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 17.6   n/a MPO440645  

376818 (2001 AG54)          Discovered 2001-Jan-04 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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