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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2410093918267318 3.7554e-08  
a 2.63878623842817 1.142e-08 au
q 2.002813971943847 9.8732e-08 au
i 17.71055020715088 4.2823e-06 deg
node 164.3578981750109 1.4658e-05 deg
peri 103.3266775420707 1.7052e-05 deg
M 227.6093823659554 8.8808e-06 deg
tp 2459176.283811329568
(2020-Nov-22.78381133)
3.9989e-05 TDB
period 1565.686268279343
4.29
1.0164e-05
2.783e-08
d
yr
n .2299311217665801 1.4926e-09 deg/d
Q 3.274758504912493 1.4173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1994  
   data-arc span      27992 days (76.64 yr)  
   first obs. used      1943-04-08  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4332  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:35:01  

Additional Information
 Earth MOID = 1.07055 au 
 Jupiter MOID = 2.17943 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-January); 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. (2016) Posting on CALL web site. http://www.minorplanet.info/call.html]
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

[ show close-approach data ]
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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