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21310 (1996 XM5)
Classification: Main-belt Asteroid          SPK-ID: 2021310
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093917408099372 1.4507e-08  
a 2.263424983107413 5.521e-09 au
q 2.01582498401259 3.3083e-08 au
i 3.898918918060194 7.1665e-07 deg
node 292.8247923564638 9.3914e-06 deg
peri 291.4644790633491 1.3783e-05 deg
M 316.9514843225257 9.1443e-06 deg
tp 2459545.231605290501
(2021-Nov-26.73160529)
3.1807e-05 TDB
period 1243.79150040236
3.41
4.5508e-06
1.246e-08
d
yr
n .2894375784715862 1.059e-09 deg/d
Q 2.511024982202235 6.125e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2252  
   data-arc span      10325 days (28.27 yr)  
   first obs. used      1993-02-26  
   last obs. used      2021-06-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46872  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:06:57  

Additional Information
 Earth MOID = 1.0109 au 
 Jupiter MOID = 2.48048 au 
 T_jup = 3.607 
[ 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 14.44   n/a MPO614063  
diameter diameter 3.933 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 48.734 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 0.165   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21310 (1996 XM5)          Discovered 1996-Dec-07 by Kobayashi, T. at Oizumi
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 XM5 = 1998 MX25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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