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
JPL Small-Body Database Browser
Search: [ help ]  
4505 Okamura (1990 DV1)
Classification: Main-belt Asteroid          SPK-ID: 2004505
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0525190969328546 1.6695e-08  
a 3.01070517011718 1.3626e-08 au
q 2.852585653451549 5.172e-08 au
i 11.83380880589065 6.9435e-07 deg
node 119.0717480846646 1.1853e-06 deg
peri 18.30554293998741 1.8203e-05 deg
M 18.53936314091426 1.5834e-05 deg
tp 2459298.236307465531
(2021-Mar-24.73630747)
8.3965e-05 TDB
period 1908.098408965318
5.22
1.2954e-05
3.547e-08
d
yr
n .1886695142706046 1.2809e-09 deg/d
Q 3.16882468678281 1.4342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3125  
   data-arc span      28581 days (78.25 yr)  
   first obs. used      1943-03-09  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37605  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 23:13:25  

Additional Information
 Earth MOID = 1.8699 au 
 Jupiter MOID = 1.88432 au 
 T_jup = 3.215 
[ 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 11.46   n/a E2021B10  
diameter diameter 18.762 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.6687 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.213   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4505 Okamura (1990 DV1)          Discovered 1990-Feb-20 by Seki, T. at Geisei
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1951-Mar-04 09:17 00:01 Jupiter 1.92260265310167 1.92260234770162 1.92260295850271 3.45088389109552 3.32076480888302 2433709.886482047 1.34986860048442 88.8152548477752 7.24214114008095 80.4035710822429 7201576.70084556 T 48 CATAB v2.0g-lin.ifort 2021-Jul-07 23:15:37 2021-Jul-07 23:15
1997-Oct-26 19:58 < 00:01 Jupiter 1.90879641584379 1.9087962550237 1.90879657666399 3.88967186465946 3.77386451730236 2450748.332013901 0.35724419217939 27.4000194717406 5.95363226116528 83.6841567814804 8999283.3025507 T 48 CATAB v2.0g-lin.ifort 2021-Jul-07 23:15:37 2021-Jul-07 23:15
2044-Jul-01 16:40 < 00:01 Jupiter 1.99319175126054 1.9931914953821 1.9931920071391 4.21094171106252 4.10878502284892 2467798.194609982 0.58546212659075 37.5915182140091 4.75097466329788 -72.9542719117372 11498808.7820002 T 48 CATAB v2.0g-lin.ifort 2021-Jul-07 23:15:37 2021-Jul-07 23:15
2081-Dec-20 05:25 00:01 Jupiter 1.95251007002844 1.95250974223458 1.95251039782319 3.2320290422087 3.09489701151397 2481483.725977216 1.43942627020253 89.6749236641723 7.01199819138807 79.8119763738035 6795736.55425749 T 48 CATAB v2.0g-lin.ifort 2021-Jul-07 23:15:37 2021-Jul-07 23:15
2128-Aug-07 07:21 00:02 Jupiter 1.90493067607766 1.90493049510785 1.90493085704746 3.68364522088131 3.56089135927397 2498514.806095305 2.31307176256148 169.853903279434 7.06237566469409 88.2757748247783 7852073.99379552 T 48 CATAB v2.0g-lin.ifort 2021-Jul-07 23:15:37 2021-Jul-07 23:15
2175-Apr-10 00:34 00:03 Jupiter 1.95794738408848 1.95794659343473 1.95794817475179 4.11584591601794 4.00936064987716 2515561.523800049 3.14317379636155 225.115922992704 5.23227100965562 -81.0028309656971 10501814.4326351 T 48 CATAB v2.0g-lin.ifort 2021-Jul-07 23:15:37 2021-Jul-07 23:15

Alternate Designations
 1990 DV1 = 1943 ET = 1973 YC4 = 1976 NO = 1978 YG = 1982 SS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-30 10:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin