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JPL Small-Body Database Browser
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410855 (2009 RZ39)
Classification: Main-belt Asteroid          SPK-ID: 2410855
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159330505668338 2.8851e-07  
a 2.962527900209345 5.4779e-08 au
q 2.619073003348719 8.8273e-07 au
i 8.2081107904473 1.943e-05 deg
node 331.4072630127645 5.7346e-05 deg
peri 335.2101981325069 0.00014903 deg
M 88.10859967144064 0.00013345 deg
tp 2458544.664758056560
(2019-Mar-02.16475806)
0.00069805 TDB
period 1862.482069986065
5.10
5.1657e-05
1.414e-07
d
yr
n .1932904513828117 5.361e-09 deg/d
Q 3.305982797069972 6.1129e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      3688 days (10.10 yr)  
   first obs. used      2009-09-15  
   last obs. used      2019-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56453  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 14:22:37  

Additional Information
 Earth MOID = 1.60717 au 
 Jupiter MOID = 1.9737 au 
 T_jup = 3.240 
[ 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 16.2   n/a MPO495083  

410855 (2009 RZ39)          Discovered 2009-Sep-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-10-09

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1919-Aug-02 10:19 00:08 Jupiter 1.97736949539187 1.97736746854702 1.97737152223762 3.20586336603537 3.06933925182058 2422172.930055712 8.2752789806578 290.965911672448 65.5226605939995 -83.5622881003054 696945.047175966 T 12 CATAB v2.0f-lin.ifort 2019-Nov-08 14:22:38 2019-Nov-08 14:22
1955-May-19 13:35 00:05 Jupiter 1.99388336396565 1.99388109955676 1.99388562837544 3.31620125889234 3.18552505290444 2435247.066208020 5.04855903881822 191.896007989368 67.439689209179 -73.6225065914138 724755.643607454 T 12 CATAB v2.0f-lin.ifort 2019-Nov-08 14:22:38 2019-Nov-08 14:22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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