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249022 (2007 RZ179)
Classification: Main-belt Asteroid          SPK-ID: 2249022
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2102585446887137 4.2955e-08  
a 2.271455017954243 1.0591e-08 au
q 1.793862191553307 1.0155e-07 au
i 5.813509898078738 4.3843e-06 deg
node 210.9128941739376 3.8171e-05 deg
peri 128.0924055536487 4.061e-05 deg
M 296.0578427729026 1.0886e-05 deg
tp 2459222.595327264406
(2021-Jan-08.09532726)
3.8028e-05 TDB
period 1250.416333800244
3.42
8.7457e-06
2.394e-08
d
yr
n .2879041086306783 2.0137e-09 deg/d
Q 2.749047844355178 1.2818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      348  
   data-arc span      7262 days (19.88 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49989  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:20:53  

Additional Information
 Earth MOID = .792599 au 
 Jupiter MOID = 2.67324 au 
 T_jup = 3.576 
[ 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 17.3   n/a MPO376660  
diameter diameter 1.321 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.176   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249022 (2007 RZ179)          Discovered 2007-Sep-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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