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70214 (1999 RU40)
Classification: Main-belt Asteroid          SPK-ID: 2070214
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1876559463713824 4.5794e-08  
a 2.656835363218004 1.4936e-08 au
q 2.158264408780374 1.2779e-07 au
i 17.2047120688604 4.1667e-06 deg
node 163.8269460461987 1.7649e-05 deg
peri 158.0400843964222 2.2781e-05 deg
M 303.9514289076004 1.4958e-05 deg
tp 2459246.767689624184
(2021-Feb-01.26768962)
6.6245e-05 TDB
period 1581.777492927532
4.33
1.3339e-05
3.652e-08
d
yr
n .2275920612157131 1.9192e-09 deg/d
Q 3.155406317655634 1.7739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      8203 days (22.46 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54434  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:37  

Additional Information
 Earth MOID = 1.15536 au 
 Jupiter MOID = 2.26507 au 
 T_jup = 3.299 
[ 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 15.0   n/a MPO385261  
rotation period rot_per 12.788 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

70214 (1999 RU40)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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