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344873 (2004 JL49)
Classification: Main-belt Asteroid          SPK-ID: 2344873
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009059171082539 6.9135e-08  
a 2.342025498869947 1.5817e-08 au
q 2.105701268015559 1.6318e-07 au
i 7.539064862062554 8.573e-06 deg
node 49.20811837625843 5.844e-05 deg
peri 266.5378010882324 7.7507e-05 deg
M 99.94925726148011 4.8674e-05 deg
tp 2458637.034724375897
(2019-Jun-02.53472438)
0.00017783 TDB
period 1309.139285371208
3.58
1.3262e-05
3.631e-08
d
yr
n .2749898379972011 2.7857e-09 deg/d
Q 2.578349729724335 1.7413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      5650 days (15.47 yr)  
   first obs. used      2004-05-13  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65445  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:25:17  

Additional Information
 Earth MOID = 1.10853 au 
 Jupiter MOID = 2.6473 au 
 T_jup = 3.545 
[ 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 17.5   n/a MPO494804  

344873 (2004 JL49)          Discovered 2004-May-13 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2004 JL49 = 2005 UU278 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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