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JPL Small-Body Database Browser
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(2014 YM9)
Classification: Amor [NEO]          SPK-ID: 3702939
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 70 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4507788094942119 3.6135e-08  
a 1.90360658132701 8.2245e-08 au
q 1.045501072851074 3.3887e-08 au
i 19.66785329609803 6.6876e-06 deg
node 135.6763319064247 7.1316e-06 deg
peri 31.92214010755936 1.0329e-05 deg
M 357.0836716721207 4.7962e-05 deg
tp 2459008.271379885394
(2020-Jun-07.77137989)
0.00012831 TDB
period 959.321600382493
2.63
6.2171e-05
1.702e-07
d
yr
n .3752651872494726 2.432e-08 deg/d
Q 2.761712089802946 1.1932e-07 au
  Orbit Determination Parameters
   # obs. used (total)      372  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      1325 days (3.63 yr)  
   first obs. used      2014-12-20  
   last obs. used      2018-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .26783  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Aug-07 06:59:28  

Additional Information
 Earth MOID = .0990745 au 
 Jupiter MOID = 2.28748 au 
 T_jup = 3.750 
[ 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 19.3   n/a E2015L50  
rotation period rot_per 7.3 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Warner, B.D. (2015) Minor Planet Bull. 42, 172-183.]

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