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 ]  
15820 (1994 TB)
Classification: TransNeptunian Object          SPK-ID: 2015820
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .317525324503931 1.5648e-05  
a 39.50367225770301 0.001084 au
q 26.96025590497893 0.00012314 au
i 12.14494431078495 6.9146e-06 deg
node 317.2462012115166 0.00013763 deg
peri 98.65945348215979 0.0010489 deg
M 3.766042144037324 0.00036182 deg
tp 2458447.781638464382
(2018-Nov-25.28163846)
0.12849 TDB
period 90689.00375785001
248.29
3.7329
0.01022
d
yr
n .003969610262355964 1.634e-07 deg/d
Q 52.04708861042709 0.0014282 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      9587 days (26.25 yr)  
   first obs. used      1994-10-13  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .68191  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:10:17  

Additional Information
 Earth MOID = 25.9943 au 
 Jupiter MOID = 22.0924 au 
 T_jup = 5.240 
[ 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 7.58   n/a MPCxxxxx  
rotation period rot_per 6.0 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Romanishin, W.; Tegler, S.C. (1999) Nature 398, 129-132.]

15820 (1994 TB)          Discovered 1994-Oct-02 by Jewitt, D. C., Chen, J. at Mauna Kea
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-02 15:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin