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 ]  
27815 (1993 SA1)
Classification: Main-belt Asteroid          SPK-ID: 2027815
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2801896713643183 2.9345e-08  
a 2.580206357516011 1.2085e-08 au
q 1.857259186151475 7.3076e-08 au
i 11.00337762023694 5.0026e-06 deg
node 198.8191552847101 1.921e-05 deg
peri 107.6666336481531 2.2092e-05 deg
M 101.5832847573769 1.3262e-05 deg
tp 2458173.330890419178
(2018-Feb-23.83089042)
5.3892e-05 TDB
period 1513.840390339697
4.14
1.0636e-05
2.912e-08
d
yr
n .2378057834216051 1.6708e-09 deg/d
Q 3.303153528880548 1.5472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1208  
   data-arc span      9837 days (26.93 yr)  
   first obs. used      1992-03-25  
   last obs. used      2019-03-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48659  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:05:41  

Additional Information
 Earth MOID = .877794 au 
 Jupiter MOID = 2.12732 au 
 T_jup = 3.344 
[ 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 14.1   n/a MPO459052  
diameter diameter 6.270 km 1.450 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.103   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

27815 (1993 SA1)          Discovered 1993-Sep-16 by Endate, K., Watanabe, K. at Kitami
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 SA1 = 1997 XZ3 = 2000 EG137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-14 02:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin