Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1833573916886341 5.976e-08  
a 2.922524233887677 1.6211e-08 au
q 2.386657813215209 1.7218e-07 au
i 27.04846528427689 7.6907e-06 deg
node 326.3395188537993 9.2366e-06 deg
peri 30.88642366673442 1.9247e-05 deg
M 93.0200218924286 1.5527e-05 deg
tp 2458128.969765307267
(2018-Jan-10.46976531)
7.8185e-05 TDB
period 1824.885449776494
5.00
1.5184e-05
4.157e-08
d
yr
n .1972726562338976 1.6414e-09 deg/d
Q 3.458390654560145 1.9183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2016  
   data-arc span      23597 days (64.61 yr)  
   first obs. used      1955-03-24  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42717  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:36:23  

Additional Information
 Earth MOID = 1.40358 au 
 Jupiter MOID = 2.01762 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin