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103016 (1999 XH105)
Classification: Main-belt Asteroid          SPK-ID: 2103016
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1545589863476932 6.5005e-08  
a 2.710592598453621 1.6821e-08 au
q 2.29164615403507 1.7857e-07 au
i 11.71213006427904 7.0805e-06 deg
node 31.33785344581776 2.0736e-05 deg
peri 351.4073018145786 2.5747e-05 deg
M 267.7088615100358 1.784e-05 deg
tp 2459618.380688596715
(2022-Feb-07.88068860)
8.2954e-05 TDB
period 1630.027003201137
4.46
1.5173e-05
4.154e-08
d
yr
n .2208552369335061 2.0558e-09 deg/d
Q 3.129539042872173 1.9421e-08 au
  Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      7569 days (20.72 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52697  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:42  

Additional Information
 Earth MOID = 1.29487 au 
 Jupiter MOID = 2.32711 au 
 T_jup = 3.316 
[ 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 15.61   n/a E2021B55  
rotation period rot_per 3.360 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.]

103016 (1999 XH105)          Discovered 1999-Dec-08 by Pravec, P., Kusnirak, P. at Ondrejov
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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