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227498 (2005 XJ76)
Classification: Main-belt Asteroid          SPK-ID: 2227498
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07696857403628729 5.313e-08  
a 2.662524125231987 2.8323e-08 au
q 2.457593439975668 1.5029e-07 au
i 3.691504828760759 5.2311e-06 deg
node 52.95637384774307 9.174e-05 deg
peri 340.6187619400081 0.00010214 deg
M 212.9853479386094 5.0351e-05 deg
tp 2459848.532629635843
(2022-Sep-26.03262964)
0.00022908 TDB
period 1586.860516266673
4.34
2.532e-05
6.932e-08
d
yr
n .2268630395108412 3.6199e-09 deg/d
Q 2.867454810488306 3.0503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      7167 days (19.62 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:00  

Additional Information
 Earth MOID = 1.46299 au 
 Jupiter MOID = 2.45974 au 
 T_jup = 3.378 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457478.5 (2016-Mar-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07631265199146062 5.2783e-08  
q 2.460015164270744 1.4896e-07 au
tp 2458264.734755560574
(2018-May-26.23475556)
0.00021467 TDB
node 52.96822359507411 9.1731e-05 deg
peri 341.338595942318 0.00010239 deg
i 3.691541569392893 5.2307e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      7167 days (19.62 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:00  

Additional Information
 Jupiter MOID = 2.45974 au 
 T_jup = 3.378 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.786039291641065E-15 -7.748164057514737E-15 -3.626982806307289E-12 7.501375931470482E-15 -8.267055292522445E-13 -5.428472528083283E-16
q -7.748164057514737E-15 2.218761346857113E-14 1.317177378965672E-11 -1.926362870073302E-14 2.898092267246756E-12 1.815769555214018E-15
tp -3.626982806307289E-12 1.317177378965672E-11 4.608379600213371E-8 2.210467439418399E-11 9.796932740089317E-9 -4.834844077963238E-13
node 7.501375931470482E-15 -1.926362870073302E-14 2.210467439418399E-11 8.414488418510271E-9 -8.391983745673298E-9 -1.22663024865911E-10
peri -8.267055292522445E-13 2.898092267246756E-12 9.796932740089317E-9 -8.391983745673298E-9 1.048402978616944E-8 1.222674334669929E-10
i -5.428472528083283E-16 1.815769555214018E-15 -4.834844077963238E-13 -1.22663024865911E-10 1.222674334669929E-10 2.736063512023785E-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 16.69   n/a E2021B55  
diameter diameter 2.794 km 0.790 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227498 (2005 XJ76)          Discovered 2005-Dec-07 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 XJ76 = 2007 EC112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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