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109735 (2001 RZ61)
Classification: Main-belt Asteroid          SPK-ID: 2109735
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06115123767917875 3.7133e-08  
a 3.128431459112694 2.3238e-08 au
q 2.937124003393474 1.1493e-07 au
i 9.965199615426773 4.6648e-06 deg
node 132.2369691263006 2.3286e-05 deg
peri 260.845440026335 4.4734e-05 deg
M 101.3532959290759 3.7971e-05 deg
tp 2458431.484929490948
(2018-Nov-08.98492949)
0.00021312 TDB
period 2021.102752559756
5.53
2.2519e-05
6.165e-08
d
yr
n .1781205827086499 1.9846e-09 deg/d
Q 3.319738914831915 2.4659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      6812 days (18.65 yr)  
   first obs. used      2001-08-25  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54737  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:08:19  

Additional Information
 Earth MOID = 1.96353 au 
 Jupiter MOID = 1.98368 au 
 T_jup = 3.188 
[ 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 14.5   n/a MPO338042  
diameter diameter 7.672 km 0.192 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109735 (2001 RZ61)          Discovered 2001-Sep-12 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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