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 ]  
21335 (1997 BO3)
Classification: Main-belt Asteroid          SPK-ID: 2021335
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0773388718072234 1.8661e-08  
a 2.528501675450544 8.6836e-09 au
q 2.332950208508525 4.8614e-08 au
i 3.646502286550826 5.7293e-07 deg
node 82.99385235312417 1.8242e-05 deg
peri 43.79491018395293 2.2636e-05 deg
M 352.8978740519868 1.3793e-05 deg
tp 2459229.472045892502
(2021-Jan-14.97204589)
5.6262e-05 TDB
period 1468.565412335236
4.02
7.5652e-06
2.071e-08
d
yr
n .2451371910138798 1.2628e-09 deg/d
Q 2.724053142392564 9.3552e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2073  
   data-arc span      11690 days (32.01 yr)  
   first obs. used      1989-03-03  
   last obs. used      2021-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44397  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 02:56:34  

Additional Information
 Earth MOID = 1.3498 au 
 Jupiter MOID = 2.30758 au 
 T_jup = 3.445 
[ 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 13.77   n/a E2021B10  
rotation period rot_per 6. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

21335 (1997 BO3)          Discovered 1997-Jan-31 by Kobayashi, T. at Oizumi
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 BO3 = 1989 EZ11 = 1995 SP54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-13 06:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin