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4460 Bihoro (1990 DS)
Classification: Main-belt Asteroid          SPK-ID: 2004460
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1837113869614476 5.858e-08  
a 2.92163127198351 1.5262e-08 au
q 2.384894338817481 1.6942e-07 au
i 27.05516763224857 7.4925e-06 deg
node 326.338349288121 7.9391e-06 deg
peri 30.84333175843047 1.6193e-05 deg
M 171.9769623581676 1.4542e-05 deg
tp 2458129.126583750604
(2018-Jan-10.62658375)
7.1464e-05 TDB
period 1824.049137444742
4.99
1.4293e-05
3.913e-08
d
yr
n .1973631042112789 1.5465e-09 deg/d
Q 3.458368205149539 1.8066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2423  
   data-arc span      23820 days (65.22 yr)  
   first obs. used      1955-03-24  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39758  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:09:40  

Additional Information
 Earth MOID = 1.40267 au 
 Jupiter MOID = 2.02104 au 
 T_jup = 3.093 
[ 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 10.9   n/a MPO389627  
diameter diameter 38.742 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.059   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4460 Bihoro (1990 DS)          Discovered 1990-Feb-28 by Endate and Watanabe at Kitami
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1990 DS = 1937 PF = 1937 RV = 1942 PF = 1947 PB = 1970 ES2 = 1980 BF3 = 1980 FH9 = 1987 QG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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