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JPL Small-Body Database Browser
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452314 (1999 LN28)
Classification: Amor [NEO]          SPK-ID: 2452314
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .467671151472807 6.7035e-08  
a 2.1414719889425 2.2957e-08 au
q 1.139967318026998 1.3713e-07 au
i 9.198361753379306 8.9894e-06 deg
node 115.6056121750129 2.2173e-05 deg
peri 186.6180673474718 3.6254e-05 deg
M 109.0643651913165 4.5033e-05 deg
tp 2458253.725304451807
(2018-May-15.22530445)
0.00013762 TDB
period 1144.63500684538
3.13
1.8406e-05
5.039e-08
d
yr
n .314510737350382 5.0575e-09 deg/d
Q 3.142976659858 3.3694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      7124 days (19.50 yr)  
   first obs. used      1999-06-12  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57853  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-21 07:54:46  

Additional Information
 Earth MOID = .124544 au 
 Jupiter MOID = 2.12115 au 
 T_jup = 3.549 
[ 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 19.3   n/a MPO357283  
rotation period rot_per 19. h n/a LCDB (Rev. 2019-January); Warner et al., 2009 lower-limit; Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1999) http://www.asu.cas.cz/~ppravec/neo.htm]

452314 (1999 LN28)          Discovered 1999-Jun-12 by LINEAR at Socorro
Reference: Last Updated: 2016-01-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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