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 ]  
3125 Hay (1982 BJ1)
Classification: Main-belt Asteroid          SPK-ID: 2003125
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2014782170272478 6.0184e-09  
a 2.600883012324787 7.6482e-09 au
q 2.076861740305131 1.4012e-08 au
i 12.77048102286767 4.5758e-07 deg
node 134.3512023469504 2.2115e-06 deg
peri 356.6634178857302 7.3477e-06 deg
M 147.87017827893 5.8862e-06 deg
tp 2458767.199973990796
(2019-Oct-10.69997399)
2.3861e-05 TDB
period 1532.07368788027
4.19
6.7579e-06
1.85e-08
d
yr
n .2349756430437004 1.0365e-09 deg/d
Q 3.124904284344443 9.1891e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2591  
   data-arc span      25498 days (69.81 yr)  
   first obs. used      1951-09-08  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41761  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 22:13:58  

Additional Information
 Earth MOID = 1.09215 au 
 Jupiter MOID = 1.9291 au 
 T_jup = 3.351 
[ 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 12.73   n/a E2021B10  
diameter diameter 15.046 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 14.31 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Cooney, W.R. (2005) Minor Planet Bull. 32, 15-16.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.078   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3125 Hay (1982 BJ1)          Discovered 1982-Jan-24 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 BJ1 = 1965 AP = 1965 AP1 = 1971 QS2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-05 06:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin