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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .11781079326564 3.6126e-08  
a 2.192699038650447 6.3734e-09 au
q 1.934375425514231 8.0843e-08 au
i 3.38601957731842 3.5923e-06 deg
node 45.25586116244044 6.5822e-05 deg
peri 349.4330729169363 6.7901e-05 deg
M 246.522510863067 1.7677e-05 deg
tp 2458974.330027937650
(2020-May-04.83002794)
5.8804e-05 TDB
period 1185.951602217405
3.25
5.1707e-06
1.416e-08
d
yr
n .30355370263584 1.3235e-09 deg/d
Q 2.451022651786662 7.1243e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2503  
   data-arc span      24377 days (66.74 yr)  
   first obs. used      1953-03-08  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44239  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:30:48  

Additional Information
 Earth MOID = .940346 au 
 Jupiter MOID = 2.93172 au 
 T_jup = 3.660 
[ 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-January); 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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