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(2015 XD1)
Classification: Apollo [NEO]          SPK-ID: 3735653
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6531619803123733 5.7874e-06  
a 2.283172224818725 3.4414e-05 au
q .7918909330619194 1.3139e-06 au
i 11.54095853152216 7.4649e-05 deg
node 6.753218288247251 0.00038014 deg
peri 161.1544426354256 0.00037369 deg
M 87.45149755461183 0.010078 deg
tp 2458694.394462718110
(2019-Jul-29.89446272)
0.028356 TDB
period 1260.104132038034
3.45
0.02849
7.8e-05
d
yr
n .2856906749585471 6.4593e-06 deg/d
Q 3.774453516575531 5.6892e-05 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      218 days  
   first obs. used      2015-12-01  
   last obs. used      2016-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .42558  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Aug-10 06:19:29  

Additional Information
 Earth MOID = .128574 au 
 Jupiter MOID = 1.21233 au 
 T_jup = 3.262 
[ show covariance matrix ]

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 20.1   n/a E2016A29  
diameter diameter 0.201 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.399   0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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