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180953 (2005 MR22)
Classification: Main-belt Asteroid          SPK-ID: 2180953
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1111917351947451 4.312e-08  
a 2.738574547153025 1.7262e-08 au
q 2.434067691294917 1.1567e-07 au
i 3.702561738034964 4.6633e-06 deg
node 126.8195641654569 7.2525e-05 deg
peri 207.0240617159081 7.5846e-05 deg
M 124.0827997879027 2.2055e-05 deg
tp 2458629.949143691557
(2019-May-26.44914369)
9.9892e-05 TDB
period 1655.332637739728
4.53
1.5651e-05
4.285e-08
d
yr
n .2174789476099266 2.0563e-09 deg/d
Q 3.043081403011133 1.9182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      9423 days (25.80 yr)  
   first obs. used      1995-04-28  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53623  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:38  

Additional Information
 Earth MOID = 1.42253 au 
 Jupiter MOID = 2.28442 au 
 T_jup = 3.339 
[ 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 16.4   n/a MPO449918  
diameter diameter 3.495 km 0.370 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180953 (2005 MR22)          Discovered 2005-Jun-30 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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