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JPL Small-Body Database Browser
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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1394063680470443 3.8117e-08  
a 2.726161869356954 1.2704e-08 au
q 2.34611754444156 1.0515e-07 au
i 10.64644465284482 4.4757e-06 deg
node 300.0798510802731 2.3044e-05 deg
peri 94.32606974078429 2.9165e-05 deg
M 257.2943063872901 1.829e-05 deg
tp 2459469.548665396369
(2021-Sep-12.04866540)
8.5145e-05 TDB
period 1644.091126821392
4.50
1.1492e-05
3.146e-08
d
yr
n .2189659649194793 1.5306e-09 deg/d
Q 3.106206194272348 1.4475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1904  
   data-arc span      30444 days (83.35 yr)  
   first obs. used      1936-12-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44938  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:05:42  

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

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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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