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 ]  
32769 (1984 AJ1)
Classification: Main-belt Asteroid          SPK-ID: 2032769
[ 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1941597050787632 4.0399e-08  
a 2.391524510371871 7.2473e-09 au
q 1.927186816749435 9.7319e-08 au
i 6.712753969607855 4.3039e-06 deg
node 347.1856504357945 3.031e-05 deg
peri 137.8147284711874 3.177e-05 deg
M 351.0776750648731 8.4374e-06 deg
tp 2459233.980059095922
(2021-Jan-19.48005910)		 3.1663e-05 TDB
period 1350.861054956692
3.70		 6.1405e-06
1.681e-08		 d
yr
n .2664966901511137 1.2114e-09 deg/d
Q 2.855862203994306 8.6544e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1582  
   data-arc span      13586 days (37.20 yr)  
   first obs. used      1984-01-08  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4549  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:46:14  

Additional Information
 Earth MOID = .948135 au 
 Jupiter MOID = 2.21499 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457270.5 (2015-Sep-05.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .192956350401477 4.0448e-08  
q 1.930530478687486 9.738e-08 au
tp 2457883.322024656098
(2017-May-09.82202466)		 3.2533e-05 TDB
node 347.2770084275053 3.0288e-05 deg
peri 137.7915968902428 3.1775e-05 deg
i 6.714720042107632 4.3038e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1582  
   data-arc span      13586 days (37.20 yr)  
   first obs. used      1984-01-08  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4549  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:46:14  

Additional Information
 Jupiter MOID = 2.21499 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.6360565443854E-15 -3.931731572872906E-15 3.168745495701195E-13 -5.510351740119215E-15 1.243351396723589E-13 -3.576523481384221E-15
q -3.931731572872906E-15 9.482935084329685E-15 -7.917288836033911E-13 1.404526949181652E-14 -3.120847038130982E-13 8.521239464663095E-15
tp 3.168745495701195E-13 -7.917288836033911E-13 1.058379342655567E-9 -3.788409972840496E-12 3.212397963286221E-10 -2.636793541627723E-13
node -5.510351740119215E-15 1.404526949181652E-14 -3.788409972840496E-12 9.17335113327402E-10 -9.117170378460345E-10 -3.064843426224838E-11
peri 1.243351396723589E-13 -3.120847038130982E-13 3.212397963286221E-10 -9.117170378460345E-10 1.009662999684917E-9 3.03374390108744E-11
i -3.576523481384221E-15 8.521239464663095E-15 -2.636793541627723E-13 -3.064843426224838E-11 3.03374390108744E-11 1.85226134137827E-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 14.65   n/a MPCxxxxx  
diameter diameter 6.598 km 0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

32769 (1984 AJ1)          Discovered 1984-Jan-08 by Bowell, E. at Anderson Mesa
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1984 AJ1 = 1984 CK1 = 1998 YM9 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-05 23:10 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin