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 ]  
15721 (1990 OV)
Classification: Main-belt Asteroid          SPK-ID: 2015721
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .129609800109514 3.0853e-08  
a 2.266502749674589 7.3549e-09 au
q 1.972741781341601 7.0604e-08 au
i 6.312560146249258 3.8749e-06 deg
node 208.3650633779616 3.1925e-05 deg
peri 87.10132497165235 3.5596e-05 deg
M 277.5777641321292 1.5265e-05 deg
tp 2459285.847908036435
(2021-Mar-12.34790804)
5.2991e-05 TDB
period 1246.329292228774
3.41
6.0666e-06
1.661e-08
d
yr
n .2888482219303556 1.406e-09 deg/d
Q 2.560263718007576 8.3082e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1651  
   data-arc span      11820 days (32.36 yr)  
   first obs. used      1987-09-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50824  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:26:10  

Additional Information
 Earth MOID = .96929 au 
 Jupiter MOID = 2.6147 au 
 T_jup = 3.597 
[ 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 14.5   n/a MPO452393  
diameter diameter 2.671 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.567   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15721 (1990 OV)          Discovered 1990-Jul-19 by Helin, E. F. at Palomar
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ 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
2173-Aug-08 23:57 < 00:01 Iris 0.0412438007709561 0.041230622450039 0.0412569852750698 6.38206268796348 6.38206266612344 2514952.497708960 0.70066137851371 1033.69788040714 43.1726822916644 -50.5841847794321 110448.847304178 T 28 CATAB v2.0f-lin.ifort 2020-Feb-22 21:26:39 2020-Feb-22 21:26

Alternate Designations
 1990 OV = 1987 SX25 = 1993 KU1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-29 04:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin