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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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09408369792345386 4.8382e-08  
a 2.260573031257992 9.2308e-09 au
q 2.047889961051208 1.1206e-07 au
i 6.211790304389119 4.4347e-06 deg
node 146.4737472666703 4.1979e-05 deg
peri 13.70597507772456 4.7682e-05 deg
M 314.5573598126413 2.4014e-05 deg
tp 2459157.206602515986
(2020-Nov-03.70660252)
8.3203e-05 TDB
period 1241.441445152833
3.40
7.6039e-06
2.082e-08
d
yr
n .2899854853449657 1.7762e-09 deg/d
Q 2.473256101464775 1.0099e-08 au
  Orbit Determination Parameters
   # obs. used (total)      962  
   data-arc span      8442 days (23.11 yr)  
   first obs. used      1997-03-07  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:49:19  

Additional Information
 Earth MOID = 1.05735 au 
 Jupiter MOID = 2.50276 au 
 T_jup = 3.606 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456659.5 (2014-Jan-02.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0938004793026052 4.8507e-08  
q 2.048299148013346 1.1231e-07 au
tp 2456674.734917847392
(2014-Jan-17.23491785)
7.8277e-05 TDB
node 146.518552288843 4.1974e-05 deg
peri 13.73264716636903 4.769e-05 deg
i 6.212155541730652 4.4359e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      962  
   data-arc span      8442 days (23.11 yr)  
   first obs. used      1997-03-07  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:49:19  

Additional Information
 Jupiter MOID = 2.50276 au 
 T_jup = 3.606 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.352938720246697E-15 -5.4341467181772E-15 7.243679459452892E-13 6.036872054991843E-15 2.820457314321472E-13 -2.358550382067692E-16
q -5.4341467181772E-15 1.261462368531931E-14 -1.473501401710084E-12 -1.324107627471731E-14 -5.972649566542266E-13 8.965769754519753E-16
tp 7.243679459452892E-13 -1.473501401710084E-12 6.127282995081104E-9 9.6961340689915E-12 1.789703989686235E-9 5.366554233119536E-12
node 6.036872054991843E-15 -1.324107627471731E-14 9.6961340689915E-12 1.761837163114519E-9 -1.747778809826213E-9 6.220751927752511E-11
peri 2.820457314321472E-13 -5.972649566542266E-13 1.789703989686235E-9 -1.747778809826213E-9 2.274378611787967E-9 -6.0308448592242E-11
i -2.358550382067692E-16 8.965769754519753E-16 5.366554233119536E-12 6.220751927752511E-11 -6.0308448592242E-11 1.967682333149563E-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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