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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1767450638681746 3.3512e-08  
a 2.352522018437428 8.6099e-09 au
q 1.936725364037418 8.1601e-08 au
i 4.801257274859989 4.2927e-06 deg
node 40.49456862435966 4.2565e-05 deg
peri 265.9628365692079 4.4279e-05 deg
M 292.1258448818356 1.2127e-05 deg
tp 2459248.985418113002
(2021-Feb-03.48541811)
4.4611e-05 TDB
period 1317.950114663612
3.61
7.2353e-06
1.981e-08
d
yr
n .2731514614966174 1.4996e-09 deg/d
Q 2.768318672837438 1.0132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      870  
   data-arc span      10656 days (29.17 yr)  
   first obs. used      1991-04-07  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54467  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:35:28  

Additional Information
 Earth MOID = .92916 au 
 Jupiter MOID = 2.48587 au 
 T_jup = 3.531 
[ 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 15.8   n/a MPO309685  
rotation period rot_per 17.378 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:
[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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