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 ]  
27164 (1999 AH7)
Classification: Main-belt Asteroid          SPK-ID: 2027164
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01254024249302071 3.1447e-08  
a 2.787341711823688 1.21e-08 au
q 2.752387770846508 8.6106e-08 au
i 4.289918914309198 3.9121e-06 deg
node 228.7492047146526 5.5531e-05 deg
peri 23.41832366229323 0.00019681 deg
M 86.56462338201653 0.00018903 deg
tp 2458591.783951501975
(2019-Apr-18.28395150)
0.0008921 TDB
period 1699.744903988763
4.65
1.1068e-05
3.03e-08
d
yr
n .2117964873171227 1.3792e-09 deg/d
Q 2.822295652800869 1.2252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1670  
   data-arc span      8437 days (23.10 yr)  
   first obs. used      1997-10-09  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49565  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:29:46  

Additional Information
 Earth MOID = 1.73858 au 
 Jupiter MOID = 2.15772 au 
 T_jup = 3.326 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO347725  
diameter diameter 3.977 km 0.434 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.370   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27164 (1999 AH7)          Discovered 1999-Jan-09 by Korlevic, K. at Visnjan
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 AH7 = 2000 GT96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-28 00:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin