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137108 (1999 AN10)
Classification: Apollo [NEO, PHA]          SPK-ID: 2137108
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 92 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .562077879586646 4.0882e-08  
a 1.458584522527558 2.2e-09 au
q .6387464269073675 5.9404e-08 au
i 39.93406785758862 1.6955e-05 deg
node 314.3779709862503 6.9261e-06 deg
peri 268.3217184943768 8.3762e-06 deg
M 113.6761914923381 9.5928e-06 deg
tp 2458997.328474127018
(2020-May-27.82847413)
1.6785e-05 TDB
period 643.4218841612352
1.76
1.4557e-06
3.985e-09
d
yr
n .559508479369327 1.2659e-09 deg/d
Q 2.278422618147748 3.4366e-09 au
  Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      23985 days (65.67 yr)  
   first obs. used      1955-01-26  
   last obs. used      2020-09-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43818  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:34:48  

Additional Information
 Earth MOID = .000903956 au 
 Jupiter MOID = 3.52576 au 
 T_jup = 4.239 
[ 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 18.09   n/a E2021B55  
rotation period rot_per 5.041 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:
[Warner, B.D.; Stephens, R.D. (2021) Minor Planet Bull. 48-1, submitted. (NEA) http://www.planetarysciences.org/lightcurves.html]

137108 (1999 AN10)          Discovered 1999-Jan-13 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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