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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 ]

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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.


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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 
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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

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Alternate Designations
 1994 AY10 = 1998 HG81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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