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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2413094381416691 2.6695e-08  
a 2.63859979257809 9.5154e-09 au
q 2.001880759150346 7.2331e-08 au
i 17.71406337664042 1.2636e-06 deg
node 164.3501031413552 2.8554e-06 deg
peri 103.4104621350293 4.9546e-06 deg
M 5.53623201566336 3.7406e-06 deg
tp 2459176.424767242433
(2020-Nov-22.92476724)
1.619e-05 TDB
period 1565.520333722077
4.29
8.4684e-06
2.319e-08
d
yr
n .2299554929089218 1.2439e-09 deg/d
Q 3.275318826005833 1.1812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2485  
   data-arc span      28276 days (77.42 yr)  
   first obs. used      1943-04-08  
   last obs. used      2020-09-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4034  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:44:45  

Additional Information
 Earth MOID = 1.06848 au 
 Jupiter MOID = 2.17892 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 12.12   n/a E2021B10  
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. 2020-October); 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.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1960-Jan-23 18:42 < 00:01 Amphi 0.0254883624793351 0.0254846013747398 0.0254921239292542 9.40713053730449 9.40713051332864 2436957.279180059 0.440459649745768 240.53128077878 35.2416236826084 -39.2707383012249 69568.0873788514 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 13:46:01 2021-Apr-12 13:46
2098-Jun-07 08:01 < 00:01 Iris 0.0176062924887674 0.0176035445964964 0.0176090462317185 10.927600161837 10.9276001319571 2487496.834190197 0.81999392718121 539.883132093899 33.7964226673997 -75.7169855086478 75525.4043685086 T 42 CATAB v2.0f-lin.ifort 2021-Apr-12 13:46:01 2021-Apr-12 13:46

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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