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24442 (2000 GM122)
Classification: Main-belt Asteroid          SPK-ID: 2024442
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2189123591920455 5.1607e-08  
a 2.567724094185889 1.4407e-08 au
q 2.005617554973398 1.3566e-07 au
i 18.17225818651563 4.8328e-06 deg
node 67.12672912871632 1.6196e-05 deg
peri 129.5297995994182 2.2247e-05 deg
M 8.243237133563456 1.9644e-05 deg
tp 2459166.087497658034
(2020-Nov-12.58749766)
8.1796e-05 TDB
period 1502.868429280823
4.11
1.2649e-05
3.463e-08
d
yr
n .2395419272812012 2.016e-09 deg/d
Q 3.129830633398381 1.7561e-08 au
  Orbit Determination Parameters
   # obs. used (total)      916  
   data-arc span      12424 days (34.02 yr)  
   first obs. used      1986-12-30  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55418  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:42:27  

Additional Information
 Earth MOID = 1.0437 au 
 Jupiter MOID = 1.97035 au 
 T_jup = 3.329 
[ 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 14.77   n/a MPCxxxxx  
diameter diameter 4.988 km 1.350 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.531 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.112   0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24442 (2000 GM122)          Discovered 2000-Apr-10 by JPL/GEODSS NEAT at Haleakala
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 GM122 = 1998 XC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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