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74179 (1998 RZ23)
Classification: Main-belt Asteroid          SPK-ID: 2074179
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1557949087939357 4.0592e-08  
a 2.26405796609906 1.1453e-08 au
q 1.911329261766473 9.0844e-08 au
i 5.520652933312608 4.0204e-06 deg
node 295.3259512403673 4.9578e-05 deg
peri 294.2969491671096 5.2801e-05 deg
M 234.441639483378 2.3095e-05 deg
tp 2459434.483157276939
(2021-Aug-07.98315728)
8.1832e-05 TDB
period 1244.313289667518
3.41
9.4419e-06
2.585e-08
d
yr
n .2893162059662582 2.1953e-09 deg/d
Q 2.616786670431646 1.3238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      969  
   data-arc span      7832 days (21.44 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58228  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:12:07  

Additional Information
 Earth MOID = .908728 au 
 Jupiter MOID = 2.40427 au 
 T_jup = 3.595 
[ show covariance matrix ]

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 15.4   n/a MPO453154  

74179 (1998 RZ23)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RZ23 = 2002 VB89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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