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 ]  
469013 (2015 AD227)
Classification: Main-belt Asteroid          SPK-ID: 2469013
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .006429669105798254 5.5368e-08  
a 3.015327992293638 4.5543e-08 au
q 2.995940431057739 1.6518e-07 au
i 8.940249991411292 6.1075e-06 deg
node 270.4824989971144 4.2154e-05 deg
peri 140.0673036607682 0.0005581 deg
M 128.7778700877178 0.00055829 deg
tp 2458516.369420538039
(2019-Feb-01.86942054)
0.002962 TDB
period 1912.4948132668
5.24
4.3329e-05
1.186e-07
d
yr
n .1882358046164169 4.2647e-09 deg/d
Q 3.034715553529537 4.5836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      4967 days (13.60 yr)  
   first obs. used      2007-09-14  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5593  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:08:00  

Additional Information
 Earth MOID = 2.00879 au 
 Jupiter MOID = 2.05505 au 
 T_jup = 3.230 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457957.5 (2017-Jul-23.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .005964363538485699 5.5661e-08  
q 2.996857402598331 1.6425e-07 au
tp 2458561.560988801297
(2019-Mar-19.06098880)
0.0031766 TDB
node 270.5016411079846 4.2154e-05 deg
peri 148.692452560876 0.00059884 deg
i 8.940467538625946 6.1076e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      4967 days (13.60 yr)  
   first obs. used      2007-09-14  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5593  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:08:00  

Additional Information
 Jupiter MOID = 2.05505 au 
 T_jup = 3.230 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.098094782992149E-15 -8.808204983268177E-15 9.338193051029047E-12 1.368116692081985E-14 1.609276717255773E-12 2.805888223005604E-15
q -8.808204983268177E-15 2.697861974086943E-14 3.57745847672951E-12 -3.686560792743556E-14 9.789507386086193E-13 -5.404211920025264E-15
tp 9.338193051029047E-12 3.57745847672951E-12 1.009104734764098E-5 -1.404010762621554E-11 1.897610331708335E-6 -1.301359016514109E-10
node 1.368116692081985E-14 -3.686560792743556E-14 -1.404010762621554E-11 1.776997912154805E-9 -1.758275177652218E-9 4.072291961685543E-11
peri 1.609276717255773E-12 9.789507386086193E-13 1.897610331708335E-6 -1.758275177652218E-9 3.58610294034161E-7 -6.492174951075585E-11
i 2.805888223005604E-15 -5.404211920025264E-15 -1.301359016514109E-10 4.072291961685543E-11 -6.492174951075585E-11 3.730238703850688E-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 16.45   n/a E2021B25  
diameter diameter 3.874 km 0.288 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469013 (2015 AD227)          Discovered 2008-Oct-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-06-21

Alternate Designations
 2015 AD227 = 2010 KQ6 = 2012 QK46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-09 05:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin