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JPL Small-Body Database Browser
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4806 Miho (1990 YJ)
Classification: Main-belt Asteroid          SPK-ID: 2004806
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09721953082307763 2.9512e-08  
a 2.230143346802762 6.4929e-09 au
q 2.013329856958389 6.5924e-08 au
i 5.246504939737753 4.1051e-06 deg
node 169.2123694900737 3.5723e-05 deg
peri 291.4296123990105 4.2691e-05 deg
M 188.3709220800415 2.4626e-05 deg
tp 2459180.443872184675
(2020-Nov-26.94387218)
8.4294e-05 TDB
period 1216.459334961004
3.33
5.3125e-06
1.454e-08
d
yr
n .2959408421256766 1.2924e-09 deg/d
Q 2.446956836647134 7.1242e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2227  
   data-arc span      24155 days (66.13 yr)  
   first obs. used      1953-10-18  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45325  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:49:41  

Additional Information
 Earth MOID = 1.03722 au 
 Jupiter MOID = 2.66168 au 
 T_jup = 3.631 
[ 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 13.3   n/a MPO279565  
diameter diameter 5.687 km 0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 64.083 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.261   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4806 Miho (1990 YJ)          Discovered 1990-Dec-22 by Natori and Urata at Yakiimo
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1990 YJ = 1953 UP = 1963 WC = 1968 DO = 1968 FA = 1976 SD1 = 1981 AX = 1986 RZ6 = 1989 OZ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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