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JPL Small-Body Database Browser
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423370 (2005 JR49)
Classification: Main-belt Asteroid          SPK-ID: 2423370
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06577827194332903 7.5449e-08  
a 3.155583819436512 5.8288e-08 au
q 2.948014968821648 2.2791e-07 au
i 16.78212311039998 7.6704e-06 deg
node 59.1322503047914 2.4085e-05 deg
peri 187.9141804868086 5.8133e-05 deg
M 230.736606785395 5.4089e-05 deg
tp 2459735.675556550997
(2022-Jun-05.17555655)
0.00031154 TDB
period 2047.472171173482
5.61
5.673e-05
1.553e-07
d
yr
n .175826565590716 4.8716e-09 deg/d
Q 3.363152670051376 6.2122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      4944 days (13.54 yr)  
   first obs. used      2005-04-18  
   last obs. used      2018-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67005  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:49:06  

Additional Information
 Earth MOID = 1.93569 au 
 Jupiter MOID = 1.6532 au 
 T_jup = 3.137 
[ 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 15.8   n/a MPO419085  

423370 (2005 JR49)          Discovered 2005-Apr-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-02-04

[ show close-approach data ]
Alternate Designations
 2005 JR49 = 2013 WA74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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