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JPL Small-Body Database Browser
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4377 Koremori (1987 GD)
Classification: Main-belt Asteroid          SPK-ID: 2004377
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07378489270142323 3.2181e-08  
a 2.37654428587247 7.8462e-09 au
q 2.20119122073919 7.8206e-08 au
i 2.60377080967478 3.4958e-06 deg
node 227.7765983034654 7.6584e-05 deg
peri 334.8409550276647 8.0615e-05 deg
M 263.8675222469698 2.6782e-05 deg
tp 2458957.842712425566
(2020-Apr-18.34271243)
0.00010005 TDB
period 1338.188502783583
3.66
6.6271e-06
1.814e-08
d
yr
n .2690203952964471 1.3323e-09 deg/d
Q 2.551897351005751 8.4252e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2449  
   data-arc span      11943 days (32.70 yr)  
   first obs. used      1987-03-27  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46114  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:43:22  

Additional Information
 Earth MOID = 1.19794 au 
 Jupiter MOID = 2.41079 au 
 T_jup = 3.536 
[ 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 13.5   n/a MPO365300  
diameter diameter 9.520 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.107 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.075   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4377 Koremori (1987 GD)          Discovered 1987-Apr-04 by Niijima and Urata at Ojima
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1987 GD = 1976 GC6 = 1988 SF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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