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 ]  
26375 (1999 DE9)
Classification: TransNeptunian Object          SPK-ID: 2026375
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .414839931511692 1.1203e-05  
a 55.23343186838516 0.0013859 au
q 32.32039877494856 0.00020962 au
i 7.635427773959663 2.5354e-05 deg
node 323.1200827653263 0.00016209 deg
peri 159.4453804324144 0.001204 deg
M 30.07377927848582 0.0015366 deg
tp 2446475.233452117940
(1986-Feb-13.73345212)
0.17106 TDB
period 149934.46335703
410.50
5.6433
0.01545
d
yr
n .002401049044626608 9.0371e-08 deg/d
Q 78.14646496182176 0.0019609 au
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      11066 days (30.30 yr)  
   first obs. used      1990-01-29  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .44733  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:29:17  

Additional Information
 Earth MOID = 31.3373 au 
 Jupiter MOID = 27.0317 au 
 T_jup = 5.971 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 4.8   n/a MPO468035  
rotation period rot_per 24. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 [lower-limit; Result based on fragmentary lightcurve(s), may be completely wrong.]

26375 (1999 DE9)          Discovered 1999-Feb-20 by Trujillo, C. A., Luu, J. at Kitt Peak
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-28 12:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin