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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1094893439552096 1.471e-08  
a 2.263552391634157 5.5468e-09 au
q 2.015717525265888 3.3457e-08 au
i 3.899142379347405 7.1671e-07 deg
node 292.8266941831855 9.3925e-06 deg
peri 291.4490539576304 1.3787e-05 deg
M 260.2479812924017 9.0588e-06 deg
tp 2459545.169969727951
(2021-Nov-26.66996973)
3.1784e-05 TDB
period 1243.896521691253
3.41
4.5722e-06
1.252e-08
d
yr
n .2894131414649582 1.0638e-09 deg/d
Q 2.511387258002427 6.1541e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2166  
   data-arc span      10220 days (27.98 yr)  
   first obs. used      1993-02-26  
   last obs. used      2021-02-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46758  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 02:56:29  

Additional Information
 Earth MOID = 1.00912 au 
 Jupiter MOID = 2.48123 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 14.41   n/a E2021B10  
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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