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JPL Small-Body Database Browser
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245080 (2004 LN4)
Classification: Main-belt Asteroid          SPK-ID: 2245080
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 .1723487293907661 5.1642e-08  
a 3.107013530514224 3.094e-08 au
q 2.571523696330179 1.6454e-07 au
i 8.468687713493836 6.0717e-06 deg
node 254.6809015846417 4.3282e-05 deg
peri 72.86112226100475 4.782e-05 deg
M 272.9314438353326 2.0488e-05 deg
tp 2459484.306819463653
(2021-Sep-26.80681946)
0.0001171 TDB
period 2000.382947404309
5.48
2.988e-05
8.181e-08
d
yr
n .179965541331541 2.6881e-09 deg/d
Q 3.642503364698269 3.6272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      7506 days (20.55 yr)  
   first obs. used      1999-07-13  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55155  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:39:57  

Additional Information
 Earth MOID = 1.57604 au 
 Jupiter MOID = 1.77198 au 
 T_jup = 3.180 
[ 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 14.8   n/a MPO433605  
diameter diameter 5.170 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.105   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245080 (2004 LN4)          Discovered 2004-Jun-11 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 2004 LN4 = 2000 WF78 = 2005 QZ148 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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