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 ]  
27643 (1093 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2027643
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1124952228027824 3.5507e-08  
a 2.326323886599753 8.7148e-09 au
q 2.064623562665278 8.3725e-08 au
i 6.321982551179487 5.8521e-06 deg
node .6676495670213537 3.6729e-05 deg
peri 72.28512794031641 4.633e-05 deg
M 356.1127703130094 2.819e-05 deg
tp 2459014.493984835071
(2020-Jun-13.99398484)
0.00010151 TDB
period 1295.996106812408
3.55
7.2825e-06
1.994e-08
d
yr
n .2777786122254988 1.5609e-09 deg/d
Q 2.588024210534227 9.6952e-09 au
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      16929 days (46.35 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58499  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:07:49  

Additional Information
 Earth MOID = 1.08929 au 
 Jupiter MOID = 2.6436 au 
 T_jup = 3.557 
[ 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 15.8   n/a MPO449166  
diameter diameter 1.728 km 0.514 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.373   0.201 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27643 (1093 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1093 T-2 = 1998 ST162 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-30 17:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin