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5783 Kumagaya (1991 CO)
Classification: Main-belt Asteroid          SPK-ID: 2005783
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03188597492525046 1.8032e-08  
a 2.252153715312827 6.1903e-09 au
q 2.180341598418552 4.0869e-08 au
i 5.809998975873413 8.6456e-07 deg
node 300.2137313676556 2.3905e-06 deg
peri 207.0420864544735 1.8472e-05 deg
M 293.7336173944738 2.0065e-05 deg
tp 2459427.740760027582
(2021-Aug-01.24076003)
6.9153e-05 TDB
period 1234.512438937737
3.38
5.0898e-06
1.394e-08
d
yr
n .291613100561198 1.2023e-09 deg/d
Q 2.323965832207101 6.3877e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2587  
   data-arc span      17245 days (47.21 yr)  
   first obs. used      1973-12-26  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44171  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 17:57:49  

Additional Information
 Earth MOID = 1.19393 au 
 Jupiter MOID = 2.67289 au 
 T_jup = 3.619 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.49   n/a E2021B10  
rotation period rot_per 3.658 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Higgins, D.; Pravec, P.; Kusnirak, P.; Hornoch, K.; Brinsfield, J.W.; Allen, B.; Warner, B.D. (2008) Minor Planet Bull. 35, 123-126.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm]

5783 Kumagaya (1991 CO)          Discovered 1991-Feb-05 by Hioki and Hayakawa at Okutama
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1991 CO = 1973 YB4 = 1979 SM2 = 1989 RD3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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