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109685 (2001 RZ30)
Classification: Main-belt Asteroid          SPK-ID: 2109685
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01841203533477678 3.7988e-08  
a 3.025043930238 2.1659e-08 au
q 2.969346714505205 1.2039e-07 au
i 1.804793327615293 5.8435e-06 deg
node 18.33747780411221 0.00012998 deg
peri 232.9291977565072 0.00021651 deg
M 289.4723719841352 0.00017485 deg
tp 2459376.989382400238
(2021-Jun-11.48938240)
0.00093372 TDB
period 1921.745867216709
5.26
2.064e-05
5.651e-08
d
yr
n .1873296600457338 2.0119e-09 deg/d
Q 3.080741145970794 2.2058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      6868 days (18.80 yr)  
   first obs. used      2001-08-01  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59363  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:10:36  

Additional Information
 Earth MOID = 1.95523 au 
 Jupiter MOID = 1.89916 au 
 T_jup = 3.244 
[ 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 MPO338041  
diameter diameter 3.416 km 0.842 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.182   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109685 (2001 RZ30)          Discovered 2001-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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