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 ]  
22378 Gaherty (1994 AY10)
Classification: Main-belt Asteroid          SPK-ID: 2022378
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2071415840205032 3.0926e-08  
a 2.253237727269168 7.18e-09 au
q 1.786498495267874 6.9074e-08 au
i 3.132466188543776 4.7925e-06 deg
node 45.19967355806583 5.969e-05 deg
peri 234.9118734827727 6.0829e-05 deg
M 146.7322910510486 1.1417e-05 deg
tp 2458496.962121161732
(2019-Jan-13.46212116)		 3.8657e-05 TDB
period 1235.403843852687
3.38		 5.9049e-06
1.617e-08		 d
yr
n .2914026873004675 1.3928e-09 deg/d
Q 2.719976959270462 8.6672e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1150  
   data-arc span      10810 days (29.60 yr)  
   first obs. used      1991-03-12  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53068  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:51:36  

Additional Information
 Earth MOID = .772378 au 
 Jupiter MOID = 2.42258 au 
 T_jup = 3.595 
[ show covariance matrix ]

[ 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 15.7   n/a MPO449118  
diameter diameter 4.770 km 0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22378 Gaherty           Discovered 1994 Jan. 8 by Spacewatch at Kitt Peak.
Geoff Gaherty (b. 1941) is an amateur astronomer who writes about observing and won the Chant Medal of the Royal Astronomical Society of Canada in 2008. Name suggested by R. and P. Jedicke.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-08-18Last Updated: 2016-08-22

[ show close-approach data ]
Alternate Designations
 1994 AY10 = 1998 HG81 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-23 23:21 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin