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22852 Kinney (1999 RN129)
Classification: Main-belt Asteroid          SPK-ID: 2022852
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1672007390914339 3.4144e-08  
a 2.323337898094185 7.2135e-09 au
q 1.934874084373699 7.9413e-08 au
i 4.520909294826204 3.486e-06 deg
node 145.3378748982114 4.5883e-05 deg
peri 247.3552311674844 4.6922e-05 deg
M 320.0281021616796 1.0098e-05 deg
tp 2459344.121434389899
(2021-May-09.62143439)
3.6473e-05 TDB
period 1293.501664331693
3.54
6.0241e-06
1.649e-08
d
yr
n .2783142920701222 1.2962e-09 deg/d
Q 2.711801711814672 8.4196e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1373  
   data-arc span      10262 days (28.10 yr)  
   first obs. used      1992-11-17  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51063  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:13:47  

Additional Information
 Earth MOID = .944777 au 
 Jupiter MOID = 2.72762 au 
 T_jup = 3.553 
[ 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 15.2   n/a MPO474066  
diameter diameter 2.190 km 0.283 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 41.117 h n/a LCDB (Rev. 2020-October); 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.368   0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

22852 Kinney           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Steve Kinney mentored a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. He teaches at the Woodcrest Christian School, Riverside, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061009/MPCPages.arcLast Updated: 2006-10-14

Alternate Designations
 1999 RN129 = 1998 HY71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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