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JPL Small-Body Database Browser
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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 ]

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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8271945278512068 5.9515e-08  
a 1.697842192071065 1.9255e-08 au
q .2933964216349824 1.0264e-07 au
i 3.570182524268792 1.5585e-05 deg
node 107.0605903229264 8.9036e-05 deg
peri 109.4341335709844 8.8808e-05 deg
M 165.3000884195715 1.0056e-05 deg
tp 2458229.464901082717
(2018-Apr-20.96490108)
1.6396e-05 TDB
period 808.06148918192
2.21
1.3746e-05
3.763e-08
d
yr
n .4455106508843323 7.5789e-09 deg/d
Q 3.102287962507148 3.5183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   # 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      .42304  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:20:07  

Additional Information
 Earth MOID = .0146305 au 
 Jupiter MOID = 1.87784 au 
 T_jup = 3.705 
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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-January); 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

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