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70308 (1999 RO135)
Classification: Main-belt Asteroid          SPK-ID: 2070308
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1885852696289368 8.6305e-08  
a 2.561384535844054 1.7467e-08 au
q 2.078345142528514 2.1299e-07 au
i 13.35773207790752 7.2383e-06 deg
node 345.7708802437305 2.4617e-05 deg
peri .06691432352647561 3.038e-05 deg
M 14.55185594772169 2.3669e-05 deg
tp 2458939.976158152665
(2020-Mar-31.47615815)
9.8072e-05 TDB
period 1497.306126676705
4.10
1.5316e-05
4.193e-08
d
yr
n .2404317951994397 2.4593e-09 deg/d
Q 3.044423929159594 2.0761e-08 au
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      9213 days (25.22 yr)  
   first obs. used      1995-08-26  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:54:31  

Additional Information
 Earth MOID = 1.07126 au 
 Jupiter MOID = 2.37391 au 
 T_jup = 3.372 
[ 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 14.8   n/a MPO436273  
rotation period rot_per 123.521 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

70308 (1999 RO135)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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