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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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1125612242813932 3.0106e-08  
a 2.587495072538075 1.1412e-08 au
q 2.296243459351117 8.2855e-08 au
i 3.764442195863768 2.9095e-06 deg
node 87.47257230622847 6.8785e-05 deg
peri 344.8546920182307 7.2396e-05 deg
M 260.2646003362572 2.4153e-05 deg
tp 2459421.676911496211
(2021-Jul-26.17691150)
0.00010343 TDB
period 1520.25949311713
4.16
1.0057e-05
2.753e-08
d
yr
n .2368016786804327 1.5666e-09 deg/d
Q 2.878746685725033 1.2696e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1260  
   data-arc span      10638 days (29.13 yr)  
   first obs. used      1991-09-30  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51243  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:11:12  

Additional Information
 Earth MOID = 1.31124 au 
 Jupiter MOID = 2.35534 au 
 T_jup = 3.409 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457619.5 (2016-Aug-19.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136927682836344 3.0564e-08  
q 2.293118991903124 8.4392e-08 au
tp 2457896.091429700169
(2017-May-22.59142970)
9.6641e-05 TDB
node 87.49280810476128 6.8803e-05 deg
peri 343.7474954673569 7.2296e-05 deg
i 3.76497024312732 2.9086e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1260  
   data-arc span      10638 days (29.13 yr)  
   first obs. used      1991-09-30  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51243  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:11:12  

Additional Information
 Jupiter MOID = 2.35534 au 
 T_jup = 3.409 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.341673840007422E-16 -2.564511581538367E-15 -1.220267302146187E-12 -3.043695940625196E-15 -2.604674981858058E-13 -8.821201917620326E-16
q -2.564511581538367E-15 7.121944214418338E-15 3.635797211018693E-12 8.495253227474659E-15 7.788390468857839E-13 2.659524503405251E-15
tp -1.220267302146187E-12 3.635797211018693E-12 9.339520032724814E-9 1.965161070320243E-11 2.174638432342317E-9 4.266391146141773E-12
node -3.043695940625196E-15 8.495253227474659E-15 1.965161070320243E-11 4.733796145927187E-9 -4.718867958105248E-9 2.495525295681725E-12
peri -2.604674981858058E-13 7.788390468857839E-13 2.174638432342317E-9 -4.718867958105248E-9 5.226714857094867E-9 -1.515515363945196E-12
i -8.821201917620326E-16 2.659524503405251E-15 4.266391146141773E-12 2.495525295681725E-12 -1.515515363945196E-12 8.460122665654258E-12

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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