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74573 (1999 NB11)
Classification: Main-belt Asteroid          SPK-ID: 2074573
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1535191631049219 4.4941e-08  
a 2.270709673317732 9.4668e-09 au
q 1.922112224615743 1.0469e-07 au
i 6.042396448446665 5.1841e-06 deg
node 319.0146582803752 3.8194e-05 deg
peri 35.70428237212892 4.0969e-05 deg
M 248.7727248586548 1.6058e-05 deg
tp 2458986.644309519752
(2020-May-17.14430952)
5.7147e-05 TDB
period 1249.800925631392
3.42
7.8158e-06
2.14e-08
d
yr
n .2880458740404037 1.8013e-09 deg/d
Q 2.619307122019721 1.092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      13328 days (36.49 yr)  
   first obs. used      1982-11-04  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55265  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:39  

Additional Information
 Earth MOID = .919381 au 
 Jupiter MOID = 2.80822 au 
 T_jup = 3.590 
[ 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 15.8   n/a MPO436304  
rotation period rot_per 62.093 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

74573 (1999 NB11)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 NB11 = 2001 DG39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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