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 ]  
3287 Olmstead (1981 DK1)
Classification: Mars-crossing Asteroid          SPK-ID: 2003287
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3003924464320481 3.8856e-08  
a 2.366047591607959 6.7068e-09 au
q 1.655304767190188 9.1862e-08 au
i 12.07668218437002 4.296e-06 deg
node 213.2551595584265 2.091e-05 deg
peri 95.71720000808531 2.1975e-05 deg
M 181.3305105297869 6.0557e-06 deg
tp 2459660.253247286765
(2022-Mar-21.75324729)
2.2999e-05 TDB
period 1329.332555477145
3.64
5.6522e-06
1.547e-08
d
yr
n .2708125957772718 1.1515e-09 deg/d
Q 3.076790416025729 8.7214e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1535  
   data-arc span      14232 days (38.97 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47241  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:43:17  

Additional Information
 Earth MOID = .695803 au 
 Jupiter MOID = 2.36313 au 
 T_jup = 3.457 
[ 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 14.2   n/a MPO452209  
diameter diameter 5.515 km 1.478 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 4.963 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Wisniewski, W.Z.; Michalowski, T.M.; Harris, A.W.; McMillan, R.S. (1997) Icarus 126, 395-449; 1995, Lunar & Planetary Sci. XXVI, 1511-1512.]
[Warner, B.D. (2018) Minor Planet Bull. 45, 380-386.]
[Benishek, V. (2019) Minor Planet Bull. 46, 87-90.]
geometric albedo albedo 0.132   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
SMASSII spectral type spec_B L   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3287 Olmstead (1981 DK1)          Discovered 1981-Feb-28 by Bus, S. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-06 10:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin