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192222 (2007 RZ281)
Classification: Jupiter Trojan          SPK-ID: 2192222
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06606039710265581 5.8746e-08  
a 5.280821957784512 1.5071e-07 au
q 4.931968762224843 3.583e-07 au
i 18.63795126900628 4.8018e-06 deg
node 83.89913601433658 1.9976e-05 deg
peri 275.2750545058019 5.4358e-05 deg
M 49.43907400497656 4.5662e-05 deg
tp 2458787.778638802520
(2019-Oct-31.27863880)
0.00057883 TDB
period 4432.520115749619
12.14
0.00018976
5.195e-07
d
yr
n .08121790552531255 3.4769e-09 deg/d
Q 5.629675153344182 1.6067e-07 au
  Orbit Determination Parameters
   # obs. used (total)      794  
   data-arc span      8088 days (22.14 yr)  
   first obs. used      1998-12-17  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50496  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:54:40  

Additional Information
 Earth MOID = 3.993 au 
 Jupiter MOID = .0109503 au 
 T_jup = 2.890 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.99   n/a MPCxxxxx  
diameter diameter 19.361 km 1.005 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.098   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

192222 (2007 RZ281)          Discovered 2007-Sep-15 by CSS at Catalina
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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