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3569 Kumon (1938 DN1)
Classification: Main-belt Asteroid          SPK-ID: 2003569
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 .1230599294720126 1.7017e-08  
a 2.592214375679327 1.0002e-08 au
q 2.273216657431891 4.6505e-08 au
i 14.02349382436261 9.7882e-07 deg
node 161.8134551742477 3.6564e-06 deg
peri 314.9610383490597 8.7726e-06 deg
M 343.673230694517 9.2019e-06 deg
tp 2459269.635730260670
(2021-Feb-24.13573026)
3.9065e-05 TDB
period 1524.420565278815
4.17
8.8229e-06
2.416e-08
d
yr
n .2361553026766969 1.3668e-09 deg/d
Q 2.911212093926761 1.1233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2633  
   data-arc span      30338 days (83.06 yr)  
   first obs. used      1938-02-20  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40381  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:16:07  

Additional Information
 Earth MOID = 1.30867 au 
 Jupiter MOID = 2.18138 au 
 T_jup = 3.366 
[ 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 12.5   n/a MPO502187  
diameter diameter 7.700 km 0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.49 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:
[Clark, M. (2019) Minor Planet Bull. 46, 346-349.]
geometric albedo albedo 0.248   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3569 Kumon (1938 DN1)          Discovered 1938-Feb-20 by Reinmuth, K. at Heidelberg
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
1926-Jun-26 14:26 00:01 Hebe 0.0453777022957368 0.0453733395967667 0.045382066473202 4.81478837817019 4.81478834971655 2424693.101105281 1.41165407108011 477.704224546275 61.015400977429 -63.8604344477697 100029.461410059 T 40 CATAB v2.0f-lin.ifort 2021-Apr-12 15:17:10 2021-Apr-12 15:17

Alternate Designations
 1938 DN1 = 1955 GB = 1984 DJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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