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511777 (2015 EZ)
Classification: Apollo [NEO]          SPK-ID: 2511777
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 84 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2837832632211071 2.2142e-08  
a 1.364648413112364 9.9703e-09 au
q .9773840332898318 2.7476e-08 au
i 13.21807221621203 5.9609e-06 deg
node 185.4422643554964 9.5256e-06 deg
peri 65.1096994883914 1.5186e-05 deg
M 170.9240771318216 1.9928e-05 deg
tp 2458924.041255387259
(2020-Mar-15.54125539)
2.9433e-05 TDB
period 582.2769368169824
1.59
6.3813e-06
1.747e-08
d
yr
n .6182625091901123 6.7756e-09 deg/d
Q 1.751912792934896 1.28e-08 au
  Orbit Determination Parameters
   # obs. used (total)      587  
   data-arc span      4834 days (13.23 yr)  
   first obs. used      2007-10-12  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .33948  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 18:43:44  

Additional Information
 Earth MOID = .0846842 au 
 Jupiter MOID = 3.31233 au 
 T_jup = 4.769 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457787.5 (2017-Feb-03.0) TDB
Reference: JPL 84 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2837054573535674 2.2121e-08  
q .9774322820365144 2.7458e-08 au
tp 2457759.461508991888
(2017-Jan-05.96150899)
1.843e-05 TDB
node 185.4575902714967 9.5242e-06 deg
peri 65.07094163927916 1.5191e-05 deg
i 13.21917344150263 5.9613e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      587  
   data-arc span      4834 days (13.23 yr)  
   first obs. used      2007-10-12  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .33948  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 18:43:44  

Additional Information
 Jupiter MOID = 3.31233 au 
 T_jup = 4.769 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.893428959923019E-16 -5.913178003435549E-16 1.722901967842454E-13 -1.431419389794077E-14 1.230053021387642E-13 1.537334653147365E-14
q -5.913178003435549E-16 7.539479272499559E-16 -1.335162894418617E-13 1.460520665999133E-14 -1.169373930218998E-13 -1.64476832621044E-14
tp 1.722901967842454E-13 -1.335162894418617E-13 3.39662320985289E-10 -2.263679316089205E-11 2.138437531729572E-10 1.472289174174818E-11
node -1.431419389794077E-14 1.460520665999133E-14 -2.263679316089205E-11 9.07112582159075E-11 -1.009879780822732E-10 -1.839634604165081E-11
peri 1.230053021387642E-13 -1.169373930218998E-13 2.138437531729572E-10 -1.009879780822732E-10 2.307778629598271E-10 2.584884310258795E-11
i 1.537334653147365E-14 -1.64476832621044E-14 1.472289174174818E-11 -1.839634604165081E-11 2.584884310258795E-11 3.553762075285583E-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 20.3   n/a MPO339520  
diameter diameter 0.194 km 0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 6.57 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2015) Minor Planet Bull. 42, 172-183.]
geometric albedo albedo 0.358   0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

511777 (2015 EZ)          Discovered 2015-Mar-11 by CSS at Catalina
Reference: Last Updated: 2018-02-05

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