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 ]  
15709 (1988 XH1)
Classification: Main-belt Asteroid          SPK-ID: 2015709
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875960022760647 2.2356e-08  
a 2.676986683561218 1.1409e-08 au
q 2.174794683578873 6.042e-08 au
i 13.92765609013932 6.1322e-07 deg
node 78.12244739793238 1.606e-06 deg
peri 249.4550720127275 3.4877e-06 deg
M 197.8013738658024 6.6474e-06 deg
tp 2459921.296075940377
(2022-Dec-07.79607594)
3.2693e-05 TDB
period 1599.807554003852
4.38
1.0227e-05
2.8e-08
d
yr
n .2250270659736697 1.4385e-09 deg/d
Q 3.179178683543563 1.3549e-08 au
  Orbit Determination Parameters
   # obs. used (total)      4026  
   data-arc span      11800 days (32.31 yr)  
   first obs. used      1988-12-02  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .34365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:06:17  

Additional Information
 Earth MOID = 1.20529 au 
 Jupiter MOID = 2.24157 au 
 T_jup = 3.311 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456974.5 (2014-Nov-13.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1892792893246209 2.2495e-08  
q 2.168935591656636 6.0871e-08 au
tp 2456719.016786707718
(2014-Mar-02.51678671)
2.2916e-05 TDB
node 78.30704617530418 1.6132e-06 deg
peri 248.7497695439835 3.4662e-06 deg
i 13.92510976771864 6.1344e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      4026  
   data-arc span      11800 days (32.31 yr)  
   first obs. used      1988-12-02  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .34365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:06:17  

Additional Information
 Jupiter MOID = 2.24157 au 
 T_jup = 3.311 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.060099879435308E-16 -1.353609853255288E-15 4.240935971074163E-13 1.239671448742594E-14 3.740601581717808E-14 1.999128523360394E-15
q -1.353609853255288E-15 3.705307672018026E-15 -1.108659272347424E-12 -3.314750690408501E-14 -8.984147166807462E-14 -5.234231075358191E-15
tp 4.240935971074163E-13 -1.108659272347424E-12 5.251307593834492E-10 1.165483793438617E-11 6.580226211363268E-11 4.896948137947968E-13
node 1.239671448742594E-14 -3.314750690408501E-14 1.165483793438617E-11 2.602490485947633E-12 -7.745229958905935E-13 3.391580312668884E-13
peri 3.740601581717808E-14 -8.984147166807462E-14 6.580226211363268E-11 -7.745229958905935E-13 1.201487776428473E-11 -3.89206179578373E-13
i 1.999128523360394E-15 -5.234231075358191E-15 4.896948137947968E-13 3.391580312668884E-13 -3.89206179578373E-13 3.763136879627703E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.11   n/a E2021B10  
diameter diameter 8.205 km 1.931 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 21.1108 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 0.200   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

15709 (1988 XH1)          Discovered 1988-Dec-07 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1988 XH1 = 1991 GS1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-17 20:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin