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 ]  
27640 (3273 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2027640
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897385198409327 3.4714e-08  
a 2.383205258389752 8.5925e-09 au
q 1.931019420185753 8.5271e-08 au
i 2.303497086674703 5.0642e-06 deg
node 14.09945747442001 9.2862e-05 deg
peri 257.1643438975199 9.387e-05 deg
M 69.48128843916082 1.3472e-05 deg
tp 2458741.138229572403
(2019-Sep-14.63822957)
5.0112e-05 TDB
period 1343.818450282363
3.68
7.2676e-06
1.99e-08
d
yr
n .2678933303262482 1.4488e-09 deg/d
Q 2.835391096593751 1.0223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1353  
   data-arc span      17580 days (48.13 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53268  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:28:31  

Additional Information
 Earth MOID = .91646 au 
 Jupiter MOID = 2.27407 au 
 T_jup = 3.511 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456199.5 (2012-Sep-29.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906125374426333 3.4921e-08  
q 1.928593059229377 8.5879e-08 au
tp 2456050.727413281922
(2012-May-03.22741328)
4.9971e-05 TDB
node 14.28967513046708 9.2858e-05 deg
peri 256.6117492161941 9.3842e-05 deg
i 2.30446199025518 5.0638e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1353  
   data-arc span      17580 days (48.13 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53268  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:28:31  

Additional Information
 Jupiter MOID = 2.27407 au 
 T_jup = 3.511 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.219454866362975E-15 -2.990275849672247E-15 -1.733490589201898E-13 3.904589146173674E-15 -4.571226010640866E-14 -9.963111539524473E-17
q -2.990275849672247E-15 7.375245871561232E-15 3.580603736463854E-13 -1.03017832602623E-14 9.700384730884007E-14 3.498614692650414E-16
tp -1.733490589201898E-13 3.580603736463854E-13 2.497121492252436E-9 -3.824723883471424E-12 6.872147560371873E-10 5.826166198748052E-13
node 3.904589146173674E-15 -1.03017832602623E-14 -3.824723883471424E-12 8.622639685318558E-9 -8.616102412767553E-9 9.875481297615639E-12
peri -4.571226010640866E-14 9.700384730884007E-14 6.872147560371873E-10 -8.616102412767553E-9 8.806298786888147E-9 -9.728701548790179E-12
i -9.963111539524473E-17 3.498614692650414E-16 5.826166198748052E-13 9.875481297615639E-12 -9.728701548790179E-12 2.564239741888463E-11

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 14.9   n/a MPO493034  

27640 (3273 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 3273 T-1 = 1999 AQ20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-02 13:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin