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 ]  
117970 (9590 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117970
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 .1989899643976801 4.0552e-08  
a 2.73441495911913 9.8732e-09 au
q 2.190293823755531 1.1223e-07 au
i 4.310171449237418 4.6362e-06 deg
node 50.85926424646499 5.3274e-05 deg
peri 344.1103926171173 5.4672e-05 deg
M 47.48302153592151 1.0068e-05 deg
tp 2458782.663372325350
(2019-Oct-26.16337233)
4.6176e-05 TDB
period 1651.562672850281
4.52
8.945e-06
2.449e-08
d
yr
n .2179753792683562 1.1806e-09 deg/d
Q 3.27853609448273 1.1838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      843  
   data-arc span      21674 days (59.34 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51096  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:52:28  

Additional Information
 Earth MOID = 1.19751 au 
 Jupiter MOID = 2.15323 au 
 T_jup = 3.320 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456671.5 (2014-Jan-14.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197646714685651 4.0346e-08  
q 2.194772167701312 1.114e-07 au
tp 2457123.942897342943
(2015-Apr-11.44289734)
4.7927e-05 TDB
node 50.95090807555298 5.3404e-05 deg
peri 342.9037775971054 5.4844e-05 deg
i 4.307384103345832 4.6271e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      843  
   data-arc span      21674 days (59.34 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51096  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:52:28  

Additional Information
 Jupiter MOID = 2.15323 au 
 T_jup = 3.320 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.627764199840068E-15 -4.483539621497613E-15 -1.265377699256913E-13 -6.93642378424689E-15 -3.228603864931945E-14 -1.25327947785214E-15
q -4.483539621497613E-15 1.240940675381903E-14 3.024051613588735E-13 1.987541457671001E-14 7.317251061620165E-14 3.537360728420267E-15
tp -1.265377699256913E-13 3.024051613588735E-13 2.297011265875886E-9 6.706009353262998E-13 6.12124680116626E-10 1.202790557847201E-12
node -6.93642378424689E-15 1.987541457671001E-14 6.706009353262998E-13 2.85199377469469E-9 -2.843496533588556E-9 -3.261640647877888E-11
peri -3.228603864931945E-14 7.317251061620165E-14 6.12124680116626E-10 -2.843496533588556E-9 3.007823372023227E-9 3.282249350749186E-11
i -1.25327947785214E-15 3.537360728420267E-15 1.202790557847201E-12 -3.261640647877888E-11 3.282249350749186E-11 2.141038955367264E-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 15.6   n/a MPO502792  
diameter diameter 4.687 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 51.781 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.051   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

117970 (9590 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 9590 P-L = 2001 QT76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-28 10:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin