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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2803965610522476 2.9345e-08  
a 2.58001565488205 1.2114e-08 au
q 1.85658813779216 7.3061e-08 au
i 11.00337462828581 4.4873e-06 deg
node 198.7994696986226 1.897e-05 deg
peri 107.7188329985006 2.1492e-05 deg
M 196.6452057741182 1.3202e-05 deg
tp 2459687.349082981996
(2022-Apr-17.84908298)
5.895e-05 TDB
period 1513.672561893761
4.14
1.0661e-05
2.919e-08
d
yr
n .2378321501379418 1.675e-09 deg/d
Q 3.303443171971939 1.551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1304  
   data-arc span      10176 days (27.86 yr)  
   first obs. used      1992-03-25  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:11:01  

Additional Information
 Earth MOID = .877894 au 
 Jupiter MOID = 2.12954 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 2020-Mar-29 10:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin