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(2013 XY8)
Classification: Apollo [NEO]          SPK-ID: 3654382
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5698517710875164 1.8338e-07  
a 2.20544624123099 9.876e-07 au
q .9486687946272042 2.4118e-08 au
i 1.811481875872389 8.9288e-06 deg
node 80.89581510544852 1.409e-05 deg
peri 24.98379847301579 2.5482e-05 deg
M 103.3762580540472 0.00055682 deg
tp 2459052.972548064342
(2020-Jul-22.47254806)
0.0016196 TDB
period 1196.308369298681
3.28
0.00080356
2.2e-06
d
yr
n .3009257556319237 2.0213e-07 deg/d
Q 3.462223687834775 1.5504e-06 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   # delay obs. used      7  
   # Doppler obs. used      2  
   data-arc span      6 days  
   first obs. used      2013-12-07  
   last obs. used      2013-12-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .36791  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 09:05:12  

Additional Information
 Earth MOID = .000385886 au 
 Jupiter MOID = 1.71205 au 
 T_jup = 3.429 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456636.5 (2013-Dec-10.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5754774227973992 1.7314e-07  
q .9522790214799567 5.2229e-08 au
tp 2456657.854887821004
(2013-Dec-31.35488782)
1.6174e-05 TDB
node 81.01816339719508 1.4469e-05 deg
peri 24.3860630728339 2.4e-05 deg
i 1.78876709247415 9.0328e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      244  
   # delay obs. used      7  
   # Doppler obs. used      2  
   data-arc span      6 days  
   first obs. used      2013-12-07  
   last obs. used      2013-12-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .36791  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 09:05:12  

Additional Information
 Jupiter MOID = 1.71205 au 
 T_jup = 3.429 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.997660182578866E-14 8.634080859026387E-15 -2.717712073623996E-12 2.779710819732171E-13 -3.776255370102645E-12 -2.278105132838592E-13
q 8.634080859026387E-15 2.727850132369803E-15 -8.432641132095065E-13 -1.18512738792403E-13 -9.732175443443381E-13 6.930397398749231E-14
tp -2.717712073623996E-12 -8.432641132095065E-13 2.616063362884407E-10 2.355746070596689E-11 3.14758596419569E-10 -1.323848297090443E-11
node 2.779710819732171E-13 -1.18512738792403E-13 2.355746070596689E-11 2.0934737634126E-10 -1.738481571669897E-10 -1.180628915810755E-10
peri -3.776255370102645E-12 -9.732175443443381E-13 3.14758596419569E-10 -1.738481571669897E-10 5.760215916189857E-10 9.752429112877497E-11
i -2.278105132838592E-13 6.930397398749231E-14 -1.323848297090443E-11 -1.180628915810755E-10 9.752429112877497E-11 8.159188169022341E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.0   n/a MPO281966  
rotation period rot_per 0.06055 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Carbognani, A. (2013) http://www.fis.unipr.it/~albino/asteroidi.html]
[Skiff, B.A. (2013) Posting on CALL web site. http://www.minorplanet.info/call.html]
[Carbognani, A. (2014). Minor Planet Bull. 41, 265-270.]
[Warner, B.D. (2014) Minor Planet Bull. 41, 113-124.]

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