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3618 Kuprin (1979 QP8)
Classification: Main-belt Asteroid          SPK-ID: 2003618
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1781964393237808 1.7366e-08  
a 3.155798122650979 1.396e-08 au
q 2.593446133969902 5.5986e-08 au
i 2.023820415991968 4.5346e-07 deg
node 231.9238156420774 4.0396e-05 deg
peri 101.0283871053724 4.0561e-05 deg
M 153.2364049228375 8.8164e-06 deg
tp 2458328.891010499807
(2018-Jul-29.39101050)
4.762e-05 TDB
period 2047.68074778362
5.61
1.3587e-05
3.72e-08
d
yr
n .1758086559096963 1.1665e-09 deg/d
Q 3.718150111332055 1.6447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2672  
   data-arc span      21402 days (58.60 yr)  
   first obs. used      1962-08-01  
   last obs. used      2021-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45435  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 15:28:50  

Additional Information
 Earth MOID = 1.58228 au 
 Jupiter MOID = 1.66726 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456906.5 (2014-Sep-06.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1794549109103309 1.7801e-08  
q 2.588376052744435 5.7645e-08 au
tp 2456261.948433919069
(2012-Nov-30.44843392)
4.2874e-05 TDB
node 233.4054916694466 4.0696e-05 deg
peri 96.90931908673778 4.0845e-05 deg
i 2.009412301656018 4.7151e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2672  
   data-arc span      21402 days (58.60 yr)  
   first obs. used      1962-08-01  
   last obs. used      2021-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45435  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 15:28:50  

Additional Information
 Jupiter MOID = 1.66726 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.168666168476307E-16 -1.005517597189951E-15 1.675256771668418E-14 -2.385880418146242E-13 2.324507747776157E-13 -2.142335996267872E-15
q -1.005517597189951E-15 3.322972850738408E-15 1.654708029371387E-14 7.395725015330761E-13 -7.020315330380316E-13 6.558206002751644E-15
tp 1.675256771668418E-14 1.654708029371387E-14 1.838185021551876E-9 7.163149107186199E-11 1.769449788936453E-10 2.195284553747451E-13
node -2.385880418146242E-13 7.395725015330761E-13 7.163149107186199E-11 1.656176205346398E-9 -1.644767683661972E-9 1.223746645377393E-11
peri 2.324507747776157E-13 -7.020315330380316E-13 1.769449788936453E-10 -1.644767683661972E-9 1.668312306873299E-9 -1.219899616274408E-11
i -2.142335996267872E-15 6.558206002751644E-15 2.195284553747451E-13 1.223746645377393E-11 -1.219899616274408E-11 2.223206818117741E-13

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 12.52   n/a E2021B10  
diameter diameter 16.106 km 0.341 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.24 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Kurtenkov, A.; Teneva, D.; Todorov, L.; Stoyanov, S. (2014) Minor Planet Bull. 41, 36.]
geometric albedo albedo 0.068   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3618 Kuprin (1979 QP8)          Discovered 1979-Aug-20 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1979 QP8 = 1962 PA = 1974 WU = 1977 EA5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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