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46879 (1998 RZ4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2046879
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0655749033585796 4.1345e-08  
a 1.948662957419744 5.5828e-09 au
q 1.8208795723085 7.9946e-08 au
i 22.76434724181911 4.8374e-06 deg
node 177.8348912073142 8.1311e-06 deg
peri 358.7058453444211 2.6464e-05 deg
M 181.7294262648296 2.4853e-05 deg
tp 2459492.517650430785
(2021-Oct-05.01765043)
6.869e-05 TDB
period 993.5815566410438
2.72
4.2698e-06
1.169e-08
d
yr
n .3623255661236665 1.557e-09 deg/d
Q 2.076446342530987 5.9488e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1320  
   data-arc span      11685 days (31.99 yr)  
   first obs. used      1987-08-24  
   last obs. used      2019-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51318  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:36:38  

Additional Information
 Earth MOID = .82507 au 
 Jupiter MOID = 2.88289 au 
 T_jup = 3.796 
[ 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 MPO381608  

46879 (1998 RZ4)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RZ4 = 2000 JH2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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