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 ]  
91715 (1999 TA154)
Classification: Main-belt Asteroid          SPK-ID: 2091715
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1188370062232661 4.7942e-08  
a 3.087249668140738 2.5091e-08 au
q 2.720370160115121 1.5112e-07 au
i 7.098429328517625 4.3175e-06 deg
node 246.9385508242894 4.5608e-05 deg
peri 244.1372203512134 5.0659e-05 deg
M 196.0590072005164 2.5473e-05 deg
tp 2459902.779553167134
(2022-Nov-19.27955317)
0.00014685 TDB
period 1981.326534587093
5.42
2.4154e-05
6.613e-08
d
yr
n .1816964511985521 2.215e-09 deg/d
Q 3.454129176166354 2.8072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      7605 days (20.82 yr)  
   first obs. used      1999-10-07  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51992  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:19:20  

Additional Information
 Earth MOID = 1.74469 au 
 Jupiter MOID = 1.68922 au 
 T_jup = 3.203 
[ 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 MPO436413  
diameter diameter 5.580 km 1.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 85.271 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.130   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

91715 (1999 TA154)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TA154 = 2000 YD103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-23 03:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin