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181153 (2005 RL22)
Classification: Main-belt Asteroid          SPK-ID: 2181153
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01701919092101686 4.2013e-08  
a 3.103994365435411 3.1203e-08 au
q 3.051166892712305 1.475e-07 au
i 9.416623446867362 5.6376e-06 deg
node 227.7923903686268 2.5546e-05 deg
peri 73.14622850016252 0.00018309 deg
M 346.133454675983 0.00017851 deg
tp 2459277.438831809264
(2021-Mar-03.93883181)
0.00099007 TDB
period 1997.467920388361
5.47
3.0119e-05
8.246e-08
d
yr
n .1802281760450032 2.7176e-09 deg/d
Q 3.156821838158516 3.1734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      576  
   data-arc span      7198 days (19.71 yr)  
   first obs. used      2000-11-01  
   last obs. used      2020-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62286  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:25  

Additional Information
 Earth MOID = 2.04897 au 
 Jupiter MOID = 1.87451 au 
 T_jup = 3.200 
[ 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 14.62   n/a E2021B55  
diameter diameter 3.994 km 0.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 131.3 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.211   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181153 (2005 RL22)          Discovered 2005-Sep-10 by LONEOS at Anderson Mesa
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 RL22 = 2000 VW19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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