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4277 Holubov (1982 AF)
Classification: Main-belt Asteroid          SPK-ID: 2004277
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1394063595471863 3.5606e-08  
a 2.726161868061839 1.2529e-08 au
q 2.346117566498981 9.9048e-08 au
i 10.64644454161642 4.416e-06 deg
node 300.0798500838353 2.1854e-05 deg
peri 94.32607272029043 2.8012e-05 deg
M 257.2943054178018 1.8213e-05 deg
tp 2459469.548669489698
(2021-Sep-12.04866949)
8.4844e-05 TDB
period 1644.091125649806
4.50
1.1334e-05
3.103e-08
d
yr
n .2189659650755152 1.5095e-09 deg/d
Q 3.106206169624697 1.4276e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2020  
   data-arc span      30620 days (83.83 yr)  
   first obs. used      1936-12-21  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43951  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:52:56  

Additional Information
 Earth MOID = 1.38195 au 
 Jupiter MOID = 2.37409 au 
 T_jup = 3.318 
[ 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 12.7   n/a MPO384791  
diameter diameter 10.288 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.152   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4277 Holubov (1982 AF)          Discovered 1982-Jan-15 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 AF = 1936 YF = 1962 QD = 1973 AP1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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