Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
39736 (1997 AM)
Classification: Main-belt Asteroid          SPK-ID: 2039736
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1125612366419426 3.4747e-08  
a 2.587495076431507 1.2831e-08 au
q 2.296243430823439 9.1871e-08 au
i 3.764446445897345 3.7301e-06 deg
node 87.47254843157094 7.0779e-05 deg
peri 344.8547152312951 7.419e-05 deg
M 260.2645989434196 2.4386e-05 deg
tp 2459421.676918328709
(2021-Jul-26.17691833)
0.0001046 TDB
period 1520.259496548456
4.16
1.1308e-05
3.096e-08
d
yr
n .2368016781459556 1.7614e-09 deg/d
Q 2.878746722039576 1.4275e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1023  
   data-arc span      10533 days (28.84 yr)  
   first obs. used      1991-09-30  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:35:51  

Additional Information
 Earth MOID = 1.31124 au 
 Jupiter MOID = 2.35534 au 
 T_jup = 3.409 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457051.5 (2015-Jan-29.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1140767415397373 3.5198e-08  
q 2.291329498479572 9.3482e-08 au
tp 2456376.761506170851
(2013-Mar-25.26150617)
9.201e-05 TDB
node 87.49754024727314 7.0783e-05 deg
peri 343.8170690842458 7.4062e-05 deg
i 3.765608321533618 3.7319e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1023  
   data-arc span      10533 days (28.84 yr)  
   first obs. used      1991-09-30  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:35:51  

Additional Information
 Jupiter MOID = 2.35534 au 
 T_jup = 3.409 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.238881639098434E-15 -3.266646963453002E-15 -9.635822831434228E-13 -5.956507751529676E-15 -2.478549477278725E-13 -5.494798330178187E-16
q -3.266646963453002E-15 8.738858278738591E-15 2.894628437382682E-12 1.777638160224948E-14 7.465599821844349E-13 1.509213067696594E-15
tp -9.635822831434228E-13 2.894628437382682E-12 8.465899820466418E-9 4.756529044549405E-11 2.031444782325548E-9 -5.031773894437296E-13
node -5.956507751529676E-15 1.777638160224948E-14 4.756529044549405E-11 5.010254762666858E-9 -4.987610681822254E-9 -3.261865225442948E-11
peri -2.478549477278725E-13 7.465599821844349E-13 2.031444782325548E-9 -4.987610681822254E-9 5.485209960298145E-9 3.244176148555872E-11
i -5.494798330178187E-16 1.509213067696594E-15 -5.031773894437296E-13 -3.261865225442948E-11 3.244176148555872E-11 1.392730228163706E-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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-28 04:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin