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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ 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 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 ]
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