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39736 (1997 AM)
Classification: Main-belt Asteroid          SPK-ID: 2039736
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .112561246836285 3.6663e-08  
a 2.587495079613312 1.3383e-08 au
q 2.296243407269285 9.5727e-08 au
i 3.764447823743866 3.8913e-06 deg
node 87.47253225399371 7.2126e-05 deg
peri 344.8547307574771 7.5445e-05 deg
M 260.2645978990054 2.4447e-05 deg
tp 2459421.676923516084
(2021-Jul-26.17692352)
0.00010492 TDB
period 1520.259499352618
4.16
1.1795e-05
3.229e-08
d
yr
n .2368016777091682 1.8372e-09 deg/d
Q 2.878746751957339 1.4889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      991  
   data-arc span      10186 days (27.89 yr)  
   first obs. used      1991-09-30  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:34:42  

Additional Information
 Earth MOID = 1.31124 au 
 Jupiter MOID = 2.35534 au 
 T_jup = 3.409 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456930.5 (2014-Sep-30.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1141555779957562 3.7132e-08  
q 2.29098237682058 9.7425e-08 au
tp 2456376.818059782336
(2013-Mar-25.31805978)
9.1956e-05 TDB
node 87.49677002871435 7.213e-05 deg
peri 343.8135612645293 7.5315e-05 deg
i 3.765666727383209 3.8941e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      991  
   data-arc span      10186 days (27.89 yr)  
   first obs. used      1991-09-30  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:34:42  

Additional Information
 Jupiter MOID = 2.35534 au 
 T_jup = 3.409 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.378755986016386E-15 -3.591186182403806E-15 -9.37218292790027E-13 -7.041926563835933E-15 -2.480591801884169E-13 -5.099335412087707E-16
q -3.591186182403806E-15 9.491605137782451E-15 2.831202436481809E-12 2.066076795339546E-14 7.460794831859882E-13 1.37979932197397E-15
tp -9.37218292790027E-13 2.831202436481809E-12 8.455946906126053E-9 5.509675110433284E-11 2.020214661588629E-9 -1.126823117952355E-12
node -7.041926563835933E-15 2.066076795339546E-14 5.509675110433284E-11 5.202797419940644E-9 -5.177835822010786E-9 -4.803619830293288E-11
peri -2.480591801884169E-13 7.460794831859882E-13 2.020214661588629E-9 -5.177835822010786E-9 5.672325492404503E-9 4.767106573756476E-11
i -5.099335412087707E-16 1.37979932197397E-15 -1.126823117952355E-12 -4.803619830293288E-11 4.767106573756476E-11 1.516392369092958E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO293670  
diameter diameter 2.923 km 0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.299   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39736 (1997 AM)          Discovered 1997-Jan-02 by Kobayashi, T. at Oizumi
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 AM = 2000 YG41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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