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2408 Astapovich (1978 QK1)
Classification: Main-belt Asteroid          SPK-ID: 2002408
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2411269596904577 3.3182e-08  
a 2.638048487401907 9.9035e-09 au
q 2.001943876118675 8.9246e-08 au
i 17.71387170445974 4.2055e-06 deg
node 164.354456915868 1.2856e-05 deg
peri 103.4030127111333 1.5622e-05 deg
M 319.5333520004758 8.9548e-06 deg
tp 2459176.420851409234
(2020-Nov-22.92085141)
3.9295e-05 TDB
period 1565.029713063186
4.28
8.8129e-06
2.413e-08
d
yr
n .2300275815820664 1.2953e-09 deg/d
Q 3.27415309868514 1.2291e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2456  
   data-arc span      28276 days (77.42 yr)  
   first obs. used      1943-04-08  
   last obs. used      2020-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40178  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:09:37  

Additional Information
 Earth MOID = 1.07014 au 
 Jupiter MOID = 2.18061 au 
 T_jup = 3.289 
[ 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 12.0   n/a MPO365274  
diameter diameter 31.285 km 0.265 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.67381 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Benishek, V. (2016) Minor Planet Bull. 43, 339-342.]
[Ferrero, A.; Luna, V. (2016) Minor Planet Bull. 43-4, in press.]
[Luna, V. (2016) Posting on CALL web site: http://www.minorplanet.info/call.html]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.]
geometric albedo albedo 0.001   0.001 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2408 Astapovich (1978 QK1)          Discovered 1978-Aug-31 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1978 QK1 = 1943 GR = 1948 RH = 1977 DG5 = 1977 FW1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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