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70275 (1999 RJ109)
Classification: Main-belt Asteroid          SPK-ID: 2070275
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 .196176149039872 4.3899e-08  
a 2.362166649865276 8.1789e-09 au
q 1.898765893104291 1.0585e-07 au
i 9.042247993939293 4.8191e-06 deg
node 329.1144180597256 1.9888e-05 deg
peri 12.75058865744163 2.1458e-05 deg
M 264.2464769768077 8.4955e-06 deg
tp 2459353.208956744794
(2021-May-18.70895674)
3.2078e-05 TDB
period 1326.063213333378
3.63
6.8872e-06
1.886e-08
d
yr
n .2714802706087093 1.41e-09 deg/d
Q 2.825567406626262 9.7834e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1207  
   data-arc span      15645 days (42.83 yr)  
   first obs. used      1977-09-08  
   last obs. used      2020-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5465  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:23  

Additional Information
 Earth MOID = .891244 au 
 Jupiter MOID = 2.57293 au 
 T_jup = 3.508 
[ 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 15.2   n/a MPO379084  
diameter diameter 2.402 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 61.870 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.]
geometric albedo albedo 0.193   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70275 (1999 RJ109)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RJ109 = 2001 DS75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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