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245427 (2005 JL89)
Classification: Main-belt Asteroid          SPK-ID: 2245427
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03989524024793735 1.6413e-07  
a 2.935490632491386 3.5709e-08 au
q 2.818378528462573 4.8416e-07 au
i 12.39046628350097 2.3006e-05 deg
node 31.94582462120544 4.2378e-05 deg
peri 278.3014502517254 0.00042779 deg
M 250.9146496709243 0.00042714 deg
tp 2459557.151527386382
(2021-Dec-08.65152739)
0.0021794 TDB
period 1837.043647516107
5.03
3.352e-05
9.177e-08
d
yr
n .1959670367586318 3.5758e-09 deg/d
Q 3.052602736520199 3.7134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      6321 days (17.31 yr)  
   first obs. used      2002-10-10  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58308  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:42:49  

Additional Information
 Earth MOID = 1.83977 au 
 Jupiter MOID = 2.05452 au 
 T_jup = 3.239 
[ 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 16.0   n/a MPO422953  
diameter diameter 4.274 km 0.560 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245427 (2005 JL89)          Discovered 2005-May-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 2005 JL89 = 2007 VT122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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