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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 ]

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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .241009392572048 3.7473e-08  
a 2.638786238629447 1.14e-08 au
q 2.002813970129885 9.855e-08 au
i 17.71055017658389 4.2815e-06 deg
node 164.3578978147208 1.4626e-05 deg
peri 103.3266777796703 1.702e-05 deg
M 227.609382368235 8.8807e-06 deg
tp 2459176.283811385532
(2020-Nov-22.78381139)
3.9989e-05 TDB
period 1565.686268458481
4.29
1.0146e-05
2.778e-08
d
yr
n .2299311217402726 1.4901e-09 deg/d
Q 3.27475850712901 1.4148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2006  
   data-arc span      28002 days (76.67 yr)  
   first obs. used      1943-04-08  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43266  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:15:18  

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

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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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