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(2015 YA1)
Classification: Apollo [NEO]          SPK-ID: 3738911
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1870632519242728 0.00046891  
a 1.070555947112627 0.00031365 au
q .8702942702788689 0.00024717 au
i 6.57577238464621 0.016142 deg
node 266.3763263405926 0.001805 deg
peri 86.3185511314641 0.0015247 deg
M 69.87201162202099 0.84904 deg
tp 2459317.974045235107
(2021-Apr-13.47404524)
0.91969 TDB
period 404.5875173637035
1.11
0.17781
0.0004868
d
yr
n .889795123551423 0.00039104 deg/d
Q 1.270817623946384 0.00037233 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      15 days  
   first obs. used      2015-12-16  
   last obs. used      2015-12-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .39114  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 15:44:22  

Additional Information
 Earth MOID = .00250586 au 
 Jupiter MOID = 4.055 au 
 T_jup = 5.746 
[ 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 24.5   n/a E2016A03  

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