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JPL Small-Body Database Browser
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10917 (1998 AN)
Classification: Main-belt Asteroid          SPK-ID: 2010917
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08787060980376332 4.0249e-08  
a 2.76870879530782 1.265e-08 au
q 2.525420665095079 1.1161e-07 au
i 4.543860576785858 4.4223e-06 deg
node 330.5120798008277 5.1035e-05 deg
peri 173.6225154128561 5.6966e-05 deg
M 209.9734563185014 2.6394e-05 deg
tp 2459301.761426287473
(2021-Mar-28.26142629)
0.00012514 TDB
period 1682.729650823936
4.61
1.1532e-05
3.157e-08
d
yr
n .2139381093235795 1.4661e-09 deg/d
Q 3.011996925520561 1.3761e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1907  
   data-arc span      12177 days (33.34 yr)  
   first obs. used      1986-08-02  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49496  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:09:15  

Additional Information
 Earth MOID = 1.53813 au 
 Jupiter MOID = 1.99488 au 
 T_jup = 3.328 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1   n/a MPO319222  
diameter diameter 7.094 km 0.817 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 3.261 h n/a LCDB (Rev. 2019-January); 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 0.221   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

Alternate Designations
 1998 AN = 1986 PF3 = 1991 RJ18 = 1992 YV5 = 1997 BB7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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