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 ]  
108516 (2001 KR75)
Classification: Mars-crossing Asteroid          SPK-ID: 2108516
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .329588428804793 4.2078e-08  
a 2.321431610614832 8.1209e-09 au
q 1.556314613494509 9.6563e-08 au
i 22.18604804143238 7.7551e-06 deg
node 296.1876951661749 1.1475e-05 deg
peri 72.46976477957018 1.7566e-05 deg
M 92.52443619261561 1.2146e-05 deg
tp 2458668.463204153775
(2019-Jul-03.96320415)
4.2886e-05 TDB
period 1291.910023161869
3.54
6.7791e-06
1.856e-08
d
yr
n .2786571770059672 1.4622e-09 deg/d
Q 3.086548607735155 1.0797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      938  
   data-arc span      11815 days (32.35 yr)  
   first obs. used      1987-09-28  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:08:52  

Additional Information
 Earth MOID = .684118 au 
 Jupiter MOID = 2.73479 au 
 T_jup = 3.409 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO502751  
diameter diameter 2.618 km 0.434 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 6.681 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.438   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

108516 (2001 KR75)          Discovered 2001-May-30 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 KR75 = 1999 BA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-02 13:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin