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70191 (1999 RY11)
Classification: Main-belt Asteroid          SPK-ID: 2070191
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2115070821032864 3.9094e-08  
a 2.382741456761583 8.3389e-09 au
q 1.878774763835406 9.1998e-08 au
i 1.762620774612794 3.972e-06 deg
node 355.7983177581178 0.00011323 deg
peri 50.95802608220333 0.00011352 deg
M 179.2512757886891 8.6211e-06 deg
tp 2458331.580951894772
(2018-Aug-01.08095189)
3.0397e-05 TDB
period 1343.426183486486
3.68
7.0524e-06
1.931e-08
d
yr
n .2679715524568092 1.4067e-09 deg/d
Q 2.886708149687759 1.0103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      918  
   data-arc span      8505 days (23.29 yr)  
   first obs. used      1997-01-14  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48784  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:35:44  

Additional Information
 Earth MOID = .889036 au 
 Jupiter MOID = 2.5096 au 
 T_jup = 3.506 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO459315  
rotation period rot_per 8.97 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

70191 (1999 RY11)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RY11 = 2001 DU107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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