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3448 Narbut (1977 QA5)
Classification: Main-belt Asteroid          SPK-ID: 2003448
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1178216471082734 3.5986e-08  
a 2.191919606300904 6.2827e-09 au
q 1.933664027957613 8.0504e-08 au
i 3.385611957268189 3.5934e-06 deg
node 45.24155844940939 6.5666e-05 deg
peri 349.6583937839836 6.7752e-05 deg
M 7.783768935717955 1.7886e-05 deg
tp 2458974.871523303927
(2020-May-05.37152330)
5.8851e-05 TDB
period 1185.319308265813
3.25
5.0962e-06
1.395e-08
d
yr
n .3037156296109778 1.3058e-09 deg/d
Q 2.450175184644194 7.0229e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2559  
   data-arc span      24623 days (67.41 yr)  
   first obs. used      1953-03-08  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44392  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:03:48  

Additional Information
 Earth MOID = .940335 au 
 Jupiter MOID = 2.93122 au 
 T_jup = 3.661 
[ 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 12.9   n/a MPO337279  
diameter diameter 5.972 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 570.37 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.376   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3448 Narbut (1977 QA5)          Discovered 1977-Aug-22 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1977 QA5 = 1953 EH1 = 1976 GW5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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