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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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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 89 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5620658683874082 4.0905e-08  
a 1.458781550799798 2.1646e-09 au
q .6388502316619795 5.945e-08 au
i 39.93226598223399 1.7032e-05 deg
node 314.3782811817276 6.9461e-06 deg
peri 268.3329159798187 8.4194e-06 deg
M 1.772314781134712 9.827e-06 deg
tp 2458997.331730045349
(2020-May-27.83173005)
1.7562e-05 TDB
period 643.5522604760071
1.76
1.4324e-06
3.922e-09
d
yr
n .5593951293617149 1.2451e-09 deg/d
Q 2.278712869937617 3.3813e-09 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      23985 days (65.67 yr)  
   first obs. used      1955-01-26  
   last obs. used      2020-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43999  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:26:01  

Additional Information
 Earth MOID = .00061819 au 
 Jupiter MOID = 3.52669 au 
 T_jup = 4.239 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457838.5 (2017-Mar-26.0) TDB
Reference: JPL 89 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5621768907236351 4.0929e-08  
q .6386625658749661 5.9476e-08 au
tp 2457710.284828450489
(2016-Nov-17.78482845)
1.5357e-05 TDB
node 314.403882666807 6.9448e-06 deg
peri 268.3033891325121 8.4106e-06 deg
i 39.9317008204676 1.7032e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      23985 days (65.67 yr)  
   first obs. used      1955-01-26  
   last obs. used      2020-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43999  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 07:26:01  

Additional Information
 Jupiter MOID = 3.52669 au 
 T_jup = 4.239 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.675182455386164E-15 -2.433976865719959E-15 4.00386774208052E-14 4.200796364175257E-15 -1.528879054738271E-13 3.122267152919705E-14
q -2.433976865719959E-15 3.537378679763693E-15 -4.781570215261253E-14 -8.33153004542528E-15 2.24782970305241E-13 -4.829859391088813E-14
tp 4.00386774208052E-14 -4.781570215261253E-14 2.358323698478834E-10 -3.78684731782578E-11 6.457084983969858E-11 -4.286270887508253E-11
node 4.200796364175257E-15 -8.33153004542528E-15 -3.78684731782578E-11 4.823083972496628E-11 -3.935252921579102E-11 8.28223756036582E-11
peri -1.528879054738271E-13 2.24782970305241E-13 6.457084983969858E-11 -3.935252921579102E-11 7.073815476198513E-11 -6.972240386392242E-11
i 3.122267152919705E-14 -4.829859391088813E-14 -4.286270887508253E-11 8.28223756036582E-11 -6.972240386392242E-11 2.90105889723969E-10

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 17.9   n/a MPO257634  
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

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