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 ]  
15802 (1994 AT2)
Classification: Main-belt Asteroid          SPK-ID: 2015802
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07292753759199221 3.3548e-08  
a 2.734609926570564 1.097e-08 au
q 2.535181558351154 9.4052e-08 au
i 4.772255481784881 3.4843e-06 deg
node 252.7542683334678 4.3542e-05 deg
peri 108.6689057523638 5.114e-05 deg
M 53.70671292494065 2.4971e-05 deg
tp 2458754.084752330578
(2019-Sep-27.58475233)
0.00011489 TDB
period 1651.73931394704
4.52
9.9388e-06
2.721e-08
d
yr
n .2179520684409543 1.3115e-09 deg/d
Q 2.934038294789973 1.177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1718  
   data-arc span      10930 days (29.92 yr)  
   first obs. used      1990-03-02  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:28:03  

Additional Information
 Earth MOID = 1.53734 au 
 Jupiter MOID = 2.40962 au 
 T_jup = 3.344 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456829.5 (2014-Jun-21.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07480297794866882 3.3747e-08  
q 2.530259929291983 9.4738e-08 au
tp 2457095.275925370364
(2015-Mar-13.77592537)
0.00011328 TDB
node 252.8797259155575 4.3674e-05 deg
peri 107.1178825011233 5.0773e-05 deg
i 4.763914385307301 3.4804e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1718  
   data-arc span      10930 days (29.92 yr)  
   first obs. used      1990-03-02  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:28:03  

Additional Information
 Jupiter MOID = 2.40962 au 
 T_jup = 3.344 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.138826860006787E-15 -3.17927950651805E-15 2.426852500960959E-13 -1.327704890095025E-15 4.700516858240961E-14 -1.153882628740933E-15
q -3.17927950651805E-15 8.975306649199984E-15 -9.911469042647606E-13 5.185659086830939E-15 -2.080022393310909E-13 3.391967637762268E-15
tp 2.426852500960959E-13 -9.911469042647606E-13 1.28312740794059E-8 -5.009894011401918E-12 2.94776699041625E-9 -1.543214469617111E-13
node -1.327704890095025E-15 5.185659086830939E-15 -5.009894011401918E-12 1.907448549033933E-9 -1.901842998924097E-9 -1.531578315119024E-11
peri 4.700516858240961E-14 -2.080022393310909E-13 2.94776699041625E-9 -1.901842998924097E-9 2.577911400753583E-9 1.522371528180706E-11
i -1.153882628740933E-15 3.391967637762268E-15 -1.543214469617111E-13 -1.531578315119024E-11 1.522371528180706E-11 1.211344189287264E-11

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 14.3   n/a MPO452394  
diameter diameter 3.888 km 0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.353   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15802 (1994 AT2)          Discovered 1994-Jan-14 by Kobayashi, T. at Oizumi
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 AT2 = 1990 EA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-04 18:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin