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JPL Small-Body Database Browser
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80423 (1999 XJ215)
Classification: Main-belt Asteroid          SPK-ID: 2080423
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09408369865069606 4.839e-08  
a 2.260573031475174 9.233e-09 au
q 2.047889959603973 1.1207e-07 au
i 6.211790374991913 4.4365e-06 deg
node 146.473747227835 4.1992e-05 deg
peri 13.70597549862883 4.7694e-05 deg
M 314.5573592940641 2.4019e-05 deg
tp 2459157.206604326855
(2020-Nov-03.70660433)
8.3222e-05 TDB
period 1241.441445331739
3.40
7.6058e-06
2.082e-08
d
yr
n .2899854853031756 1.7766e-09 deg/d
Q 2.473256103346374 1.0102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      957  
   data-arc span      8361 days (22.89 yr)  
   first obs. used      1997-03-07  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51716  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:58:41  

Additional Information
 Earth MOID = 1.05735 au 
 Jupiter MOID = 2.50276 au 
 T_jup = 3.606 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456656.5 (2013-Dec-30.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09380333899795965 4.8515e-08  
q 2.048299377574902 1.1233e-07 au
tp 2456674.732573848899
(2014-Jan-17.23257385)
7.8288e-05 TDB
node 146.5185418482345 4.1987e-05 deg
peri 13.73184057450858 4.7702e-05 deg
i 6.212147442612376 4.4377e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      957  
   data-arc span      8361 days (22.89 yr)  
   first obs. used      1997-03-07  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51716  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:58:41  

Additional Information
 Jupiter MOID = 2.50276 au 
 T_jup = 3.606 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.353712495830471E-15 -5.435755297603198E-15 7.256821084542291E-13 6.036701672462067E-15 2.823906249690482E-13 -2.343721234059014E-16
q -5.435755297603198E-15 1.26179879960644E-14 -1.47613145788388E-12 -1.324228536880359E-14 -5.979550662508802E-13 8.940514573377216E-16
tp 7.256821084542291E-13 -1.47613145788388E-12 6.129014672744826E-9 9.786450044699233E-12 1.79005760463541E-9 5.379200545545136E-12
node 6.036701672462067E-15 -1.324228536880359E-14 9.786450044699233E-12 1.762899468284968E-9 -1.748809373778723E-9 6.233774187522332E-11
peri 2.823906249690482E-13 -5.979550662508802E-13 1.79005760463541E-9 -1.748809373778723E-9 2.275490524031619E-9 -6.043436764215699E-11
i -2.343721234059014E-16 8.940514573377216E-16 5.379200545545136E-12 6.233774187522332E-11 -6.043436764215699E-11 1.969287509031953E-11

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 15.6   n/a MPO502639  
diameter diameter 2.822 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.168   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80423 (1999 XJ215)          Discovered 1999-Dec-14 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 XJ215 = 1997 EY25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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