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70172 (1999 OQ4)
Classification: Main-belt Asteroid          SPK-ID: 2070172
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1924201524713026 2.5749e-08  
a 2.222646316813454 5.7822e-09 au
q 1.79496437364243 5.5548e-08 au
i 1.510881369993248 3.9222e-06 deg
node 161.8953446244916 9.8445e-05 deg
peri 104.8889158644544 9.9027e-05 deg
M 128.2184665684798 1.0248e-05 deg
tp 2458569.425785988309
(2019-Mar-26.92578599)
3.4185e-05 TDB
period 1210.330471089557
3.31
4.723e-06
1.293e-08
d
yr
n .2974394255115486 1.1607e-09 deg/d
Q 2.650328259984478 6.8948e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1308  
   data-arc span      8505 days (23.29 yr)  
   first obs. used      1996-10-10  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51391  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:05:14  

Additional Information
 Earth MOID = .77977 au 
 Jupiter MOID = 2.43554 au 
 T_jup = 3.623 
[ 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 15.7   n/a MPO502589  
rotation period rot_per 5.7394 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Masiero, J.; Jedicke, R.; Durecy, J.; Gwyn, S.; et al. (2009) Icarus 204, 145-171.]

70172 (1999 OQ4)          Discovered 1999-Jul-16 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 OQ4 = 2000 YU130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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