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 ]  
135130 (2001 QA171)
Classification: Main-belt Asteroid          SPK-ID: 2135130
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2032135554840238 3.2572e-08  
a 3.054643847311582 2.0182e-08 au
q 2.433898810361998 9.9949e-08 au
i 11.76012181673713 5.4556e-06 deg
node 166.2291806481889 1.7354e-05 deg
peri 254.7751254825255 2.1859e-05 deg
M 167.644670970517 1.3449e-05 deg
tp 2458292.414897239971
(2018-Jun-22.91489724)
7.0071e-05 TDB
period 1950.021048095844
5.34
1.9326e-05
5.291e-08
d
yr
n .1846133919177604 1.8296e-09 deg/d
Q 3.675388884261166 2.4284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      807  
   data-arc span      9931 days (27.19 yr)  
   first obs. used      1993-03-18  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58331  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:11:38  

Additional Information
 Earth MOID = 1.47706 au 
 Jupiter MOID = 1.87671 au 
 T_jup = 3.172 
[ 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 14.65   n/a E2021B55  
diameter diameter 6.736 km 0.679 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 31.1351 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.068   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

135130 (2001 QA171)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-16 00:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin