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74424 (1999 BN)
Classification: Main-belt Asteroid          SPK-ID: 2074424
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .191166016187796 6.4437e-08  
a 2.712760173105402 1.4787e-08 au
q 2.194172617939926 1.7685e-07 au
i 23.63964424209513 8.0273e-06 deg
node 5.071331784428261 1.053e-05 deg
peri 139.5538470592278 1.6926e-05 deg
M 177.6798335238041 1.1819e-05 deg
tp 2457795.026668419883
(2017-Feb-10.52666842)
5.3227e-05 TDB
period 1631.982615123254
4.47
1.3344e-05
3.653e-08
d
yr
n .220590585134886 1.8037e-09 deg/d
Q 3.231347728270877 1.7614e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1104  
   data-arc span      7613 days (20.84 yr)  
   first obs. used      1998-12-28  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5072  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:52:59  

Additional Information
 Earth MOID = 1.24099 au 
 Jupiter MOID = 1.84162 au 
 T_jup = 3.217 
[ 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 14.1   n/a MPO359267  
diameter diameter 8.146 km 0.244 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.733 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Galad, A.; Kornos, L. (2008) Minor Planet Bull. 35, 144-146.]
geometric albedo albedo 0.080   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74424 (1999 BN)          Discovered 1999-Jan-17 by Koleny, P., Kornos, L. at Modra
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 BN = 2001 PU27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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