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461643 (2005 EZ247)
Classification: Main-belt Asteroid          SPK-ID: 2461643
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02811145158334845 7.5264e-08  
a 3.101776572642457 3.7594e-08 au
q 3.014581130698254 2.2876e-07 au
i 15.02588587537989 8.626e-06 deg
node 179.6255047647262 2.3775e-05 deg
peri 216.5333946764496 0.00012881 deg
M 100.5184776391043 0.00012443 deg
tp 2458643.368651546243
(2019-Jun-08.86865155)
0.00069185 TDB
period 1995.327527377183
5.46
3.6275e-05
9.932e-08
d
yr
n .1804215072766588 3.2801e-09 deg/d
Q 3.18897201458666 3.865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      6736 days (18.44 yr)  
   first obs. used      2002-10-10  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58645  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:03:29  

Additional Information
 Earth MOID = 2.02307 au 
 Jupiter MOID = 1.92915 au 
 T_jup = 3.168 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457832.5 (2017-Mar-20.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02708282363685118 7.4942e-08  
q 3.016150971773927 2.2709e-07 au
tp 2458647.068084206926
(2019-Jun-12.56808421)
0.00072238 TDB
node 179.6503974752582 2.3771e-05 deg
peri 217.1766732662042 0.00013439 deg
i 15.02867263921758 8.6279e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      6736 days (18.44 yr)  
   first obs. used      2002-10-10  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58645  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:03:29  

Additional Information
 Jupiter MOID = 1.92915 au 
 T_jup = 3.168 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.616288100738116E-15 -1.680673449649217E-14 -1.86317347698653E-11 1.044860972752909E-14 -3.532898188609058E-12 -9.382609209828045E-15
q -1.680673449649217E-14 5.156950210910828E-14 5.144066895840333E-11 -3.534839143545238E-14 9.695932153096577E-12 3.049794004384997E-14
tp -1.86317347698653E-11 5.144066895840333E-11 5.218280533141659E-7 -7.359569265923494E-11 9.556188810222265E-8 -5.384210958760523E-11
node 1.044860972752909E-14 -3.534839143545238E-14 -7.359569265923494E-11 5.65078923686776E-10 -5.588485082797719E-10 1.904027041041643E-11
peri -3.532898188609058E-12 9.695932153096577E-12 9.556188810222265E-8 -5.588485082797719E-10 1.80615179827292E-8 -2.820106535134456E-11
i -9.382609209828045E-15 3.049794004384997E-14 -5.384210958760523E-11 1.904027041041643E-11 -2.820106535134456E-11 7.444000491003302E-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 16.55   n/a MPCxxxxx  
diameter diameter 3.776 km 1.688 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

461643 (2005 EZ247)          Discovered 2005-Mar-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-03-24

[ 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
1904-May-12 14:05 00:06 Jupiter 1.95820835199417 1.95820755460546 1.95820914939168 5.50899378404653 5.42990911849409 2416613.086798665 5.62755952349175 574.927311587846 35.516570376206 88.4772203263768 2298245.38713433 T 16 CATAB v2.0g-lin.ifort 2021-May-04 13:03:30 2021-May-04 13:03
1975-Mar-27 01:35 00:02 Jupiter 1.95900062223809 1.95899984418527 1.95900140029147 5.50703318762276 5.42795218480253 2442498.565808491 2.10498351270796 220.839177371278 36.0650737209149 -87.5305154499553 2285800.30959886 T 16 CATAB v2.0g-lin.ifort 2021-May-04 13:03:30 2021-May-04 13:03
2046-Feb-06 11:57 00:01 Jupiter 1.97994696651268 1.9799462126478 1.97994772037768 5.45564876315269 5.37666273964544 2468382.997633707 1.46157011928254 156.680726406756 35.5050901016354 -87.3990954453669 2278749.5067879 T 16 CATAB v2.0g-lin.ifort 2021-May-04 13:03:30 2021-May-04 13:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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