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(2002 JR100)
Classification: Aten [NEO]          SPK-ID: 3126183
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .298942737341707 8.3926e-08  
a .9237212545286491 2.8114e-09 au
q .6475814941591391 7.7661e-08 au
i 3.708609770538953 9.8979e-06 deg
node 202.2706293935619 0.00011405 deg
peri 254.2371997134488 0.00010542 deg
M 80.10436764779391 1.783e-05 deg
tp 2459128.345482385801
(2020-Oct-05.84548239)
1.6009e-05 TDB
period 324.2722850684298
0.89
1.4804e-06
4.053e-09
d
yr
n 1.110178132935508 5.0683e-09 deg/d
Q 1.199861014898159 3.6518e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -2.859789924476995E-13 1.322E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      6287 days (17.21 yr)  
   first obs. used      2002-05-14  
   last obs. used      2019-07-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53677  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 21:22:46  

Additional Information
 Earth MOID = .0195787 au 
 Jupiter MOID = 3.94898 au 
 T_jup = 6.435 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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 24.3   n/a MPO175956  
diameter diameter 0.028 km 0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  
geometric albedo albedo 0.441   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  

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