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70404 (1999 RR245)
Classification: Main-belt Asteroid          SPK-ID: 2070404
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1769305006505974 3.3131e-08  
a 2.353198086852005 8.5718e-09 au
q 1.936845571215252 8.0879e-08 au
i 4.800639692437787 4.2743e-06 deg
node 40.48756133539606 4.1331e-05 deg
peri 265.9060884653166 4.3122e-05 deg
M 346.8088421068935 1.214e-05 deg
tp 2459248.813285775973
(2021-Feb-03.31328578)
4.4507e-05 TDB
period 1318.518284770103
3.61
7.2043e-06
1.972e-08
d
yr
n .2730337562688937 1.4918e-09 deg/d
Q 2.769550602488759 1.0088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      878  
   data-arc span      10670 days (29.21 yr)  
   first obs. used      1991-04-07  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54277  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:50  

Additional Information
 Earth MOID = .927302 au 
 Jupiter MOID = 2.48391 au 
 T_jup = 3.530 
[ 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 15.86   n/a E2021B10  
rotation period rot_per 17.378 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

70404 (1999 RR245)          Discovered 1999-Sep-07 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RR245 = 2002 GP17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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