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14682 Davidhirsch (1999 XY110)
Classification: Main-belt Asteroid          SPK-ID: 2014682
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1023828785831844 2.7672e-08  
a 2.524234157439355 8.0095e-09 au
q 2.265795798182714 7.0252e-08 au
i 4.637523945900934 3.8764e-06 deg
node 188.086264647834 3.9377e-05 deg
peri 318.5304494980143 4.4663e-05 deg
M 12.88317581932864 2.0669e-05 deg
tp 2459148.078032278396
(2020-Oct-25.57803228)
8.4078e-05 TDB
period 1464.849090351147
4.01
6.9721e-06
1.909e-08
d
yr
n .2457591040410192 1.1697e-09 deg/d
Q 2.782672516695995 8.8295e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2191  
   data-arc span      9258 days (25.35 yr)  
   first obs. used      1995-11-17  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46003  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:52:01  

Additional Information
 Earth MOID = 1.27945 au 
 Jupiter MOID = 2.22076 au 
 T_jup = 3.443 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456877.5 (2014-Aug-08.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017646642898185 2.7887e-08  
q 2.267710323198203 7.0811e-08 au
tp 2456220.204068587101
(2012-Oct-19.70406859)
8.4134e-05 TDB
node 188.1118395018385 3.9374e-05 deg
peri 318.9969501914811 4.467e-05 deg
i 4.636571524269607 3.8764e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2191  
   data-arc span      9258 days (25.35 yr)  
   first obs. used      1995-11-17  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46003  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 01:52:01  

Additional Information
 Jupiter MOID = 2.22076 au 
 T_jup = 3.443 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.776709178197767E-16 -1.96451914071757E-15 6.825836720624678E-13 1.68558193282833E-15 1.782769341278286E-13 1.187175212769189E-15
q -1.96451914071757E-15 5.014179189663952E-15 -1.770800405961601E-12 -5.098493921520592E-15 -4.560678185379547E-13 -2.982969146171478E-15
tp 6.825836720624678E-13 -1.770800405961601E-12 7.0784956804968E-9 -3.12186518521751E-11 1.783125155270334E-9 3.036485023412225E-12
node 1.68558193282833E-15 -5.098493921520592E-15 -3.12186518521751E-11 1.550327875863988E-9 -1.552769946859767E-9 3.754078731698965E-11
peri 1.782769341278286E-13 -4.560678185379547E-13 1.783125155270334E-9 -1.552769946859767E-9 1.995421219738055E-9 -3.665760504015763E-11
i 1.187175212769189E-15 -2.982969146171478E-15 3.036485023412225E-12 3.754078731698965E-11 -3.665760504015763E-11 1.502617474678376E-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 14.28   n/a MPCxxxxx  
diameter diameter 4.434 km 0.448 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.188   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14682 Davidhirsch           Discovered 1999 Dec. 5 by the Catalina Sky Survey.
David Hirsch (b. 1973) is the Lockheed Martin Flight Software (FSW) Lead and Certified Principal Engineer (CPE) for the OSIRIS-REx Asteroid Sample Return Mission. He was also the FSW CPE for the MAVEN mission and the FSW Integrator for the Phoenix Mars Lander, MRO, Juno and Genesis missions.
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

Alternate Designations
 1999 XY110 = 1995 WX18 = 1997 JC10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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