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351398 (2005 EP240)
Classification: Outer Main-belt Asteroid          SPK-ID: 2351398
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1186604588991334 8.1697e-08  
a 3.98207762425695 1.5706e-07 au
q 3.50956246599065 2.6433e-07 au
i 4.097836432293352 8.7834e-06 deg
node 280.388681463823 0.00013249 deg
peri 304.3551419346048 0.0001399 deg
M 257.5270234707492 5.0053e-05 deg
tp 2459826.670835395778
(2022-Sep-04.17083540)
0.00042693 TDB
period 2902.43838733016
7.95
0.00017172
4.701e-07
d
yr
n .1240336406696819 7.3383e-09 deg/d
Q 4.454592782523251 1.757e-07 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7952 days (21.77 yr)  
   first obs. used      1997-01-31  
   last obs. used      2018-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:54:45  

Additional Information
 Earth MOID = 2.50279 au 
 Jupiter MOID = .647759 au 
 T_jup = 3.040 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456857.5 (2014-Jul-19.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1184862346048488 8.1999e-08  
q 3.504495185797826 2.6575e-07 au
tp 2456918.553839532495
(2014-Sep-18.05383953)
0.00036639 TDB
node 280.4502132831967 0.00013252 deg
peri 303.5369699679273 0.00013992 deg
i 4.098804592212305 8.7855e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7952 days (21.77 yr)  
   first obs. used      1997-01-31  
   last obs. used      2018-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:54:45  

Additional Information
 Jupiter MOID = .647759 au 
 T_jup = 3.040 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.723915264899713E-15 -1.989289482812702E-14 -4.39199453839746E-12 2.496459846405687E-14 -5.009417655219822E-13 1.403987254634541E-15
q -1.989289482812702E-14 7.062167780163962E-14 2.505054130915965E-11 3.552997090251456E-14 2.858034828655722E-12 6.240443004822515E-15
tp -4.39199453839746E-12 2.505054130915965E-11 1.342447409533178E-7 1.796179474001674E-10 1.667972519118855E-8 1.333876062592011E-11
node 2.496459846405687E-14 3.552997090251456E-14 1.796179474001674E-10 1.756157628034919E-8 -1.749270157287417E-8 4.930324138079159E-10
peri -5.009417655219822E-13 2.858034828655722E-12 1.667972519118855E-8 -1.749270157287417E-8 1.957763566245157E-8 -4.900344391283137E-10
i 1.403987254634541E-15 6.240443004822515E-15 1.333876062592011E-11 4.930324138079159E-10 -4.900344391283137E-10 7.718564561882496E-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 14.7   n/a MPO423314  

351398 (2005 EP240)          Discovered 2005-Jan-17 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

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