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JPL Small-Body Database Browser
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(2016 JW28)
Classification: Apollo [NEO]          SPK-ID: 3753291
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2457520.5 (2016-May-12.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5792407879921677 0.0010685  
a 2.082140125906212 0.0048572 au
q .8760796386661862 0.00018131 au
i .9193130438793383 0.0014272 deg
node 217.2518675438063 0.0029542 deg
peri 65.39241729141439 0.0057684 deg
M 347.3727557235342 0.049113 deg
tp 2457558.991907969121
(2016-Jun-19.49190797)
0.015042 TDB
period 1097.395961105295
3.00
3.84
0.01051
d
yr
n .3280493210831656 0.0011479 deg/d
Q 3.288200613146237 0.0076707 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      2 days  
   first obs. used      2016-05-11  
   last obs. used      2016-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .37904  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 17:06:44  

Additional Information
 Earth MOID = .00415678 au 
 Jupiter MOID = 1.88813 au 
 T_jup = 3.530 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.5   n/a MPO419544  
diameter diameter 0.031 km 0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.123   0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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