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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456948.5 (2014-Oct-18.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .241974082386654 3.327e-08  
q 2.000546020667955 8.9671e-08 au
tp 2457608.729651329196
(2016-Aug-08.22965133)
3.6496e-05 TDB
node 164.4208968604102 1.2878e-05 deg
peri 103.0638720848928 1.5577e-05 deg
i 17.69426697420987 4.2009e-06 deg
  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
 Jupiter MOID = 2.18061 au 
 T_jup = 3.289 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.10691509494548E-15 -2.973258276640147E-15 -3.082592002546239E-13 4.407604509806627E-16 -4.45046094674698E-14 -3.807022290850681E-15
q -2.973258276640147E-15 8.040838692142639E-15 8.725610489998783E-13 -1.551548124224698E-15 1.237059470975336E-13 1.023050173793917E-14
tp -3.082592002546239E-13 8.725610489998783E-13 1.331989128941262E-9 -1.632794625811484E-12 3.308830136780883E-10 3.671356160661824E-12
node 4.407604509806627E-16 -1.551548124224698E-15 -1.632794625811484E-12 1.658482698107326E-10 -1.582551811041605E-10 1.405001353200271E-11
peri -4.45046094674698E-14 1.237059470975336E-13 3.308830136780883E-10 -1.582551811041605E-10 2.426556352832008E-10 -1.271383270766223E-11
i -3.807022290850681E-15 1.023050173793917E-14 3.671356160661824E-12 1.405001353200271E-11 -1.271383270766223E-11 1.764789783029709E-11

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

[ 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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