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452302 (1995 YR1)
Classification: Apollo [NEO, PHA]          SPK-ID: 2452302
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8270621162909966 5.8251e-08  
a 1.697869796101311 1.9367e-08 au
q .2936260093511979 1.0055e-07 au
i 3.570375740935359 1.5151e-05 deg
node 107.0549354189733 8.5927e-05 deg
peri 109.4377756429099 8.5712e-05 deg
M 343.4829433879869 1.3069e-05 deg
tp 2459037.575341273643
(2020-Jul-07.07534127)
2.9964e-05 TDB
period 808.0811958229923
2.21
1.3827e-05
3.786e-08
d
yr
n .445499786235413 7.6226e-09 deg/d
Q 3.102113582851424 3.5385e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   # delay obs. used      3  
   # Doppler obs. used      1  
   data-arc span      7307 days (20.01 yr)  
   first obs. used      1995-12-20  
   last obs. used      2015-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43114  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:19:22  

Additional Information
 Earth MOID = .0146357 au 
 Jupiter MOID = 1.87739 au 
 T_jup = 3.706 
[ show covariance matrix ]

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 20.4   n/a MPO368961  
rotation period rot_per 5.006 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2016) Minor Planet Bull. 43, 143-154.]

452302 (1995 YR1)          Discovered 1995-Dec-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-01-04

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