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13844 (1999 XW34)
Classification: Main-belt Asteroid          SPK-ID: 2013844
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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1514851749767317 1.5447e-08  
a 2.302863282507301 6.4007e-09 au
q 1.954013635209191 3.5258e-08 au
i 4.826314359313097 1.0369e-06 deg
node 109.3237114972839 8.491e-06 deg
peri 185.1891283981772 1.2127e-05 deg
M 200.6705160783879 6.7136e-06 deg
tp 2459765.429571302875
(2022-Jul-04.92957130)
2.4925e-05 TDB
period 1276.440748211377
3.49
5.3217e-06
1.457e-08
d
yr
n .2820342428776682 1.1759e-09 deg/d
Q 2.651712929805409 7.3703e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2199  
   data-arc span      12819 days (35.10 yr)  
   first obs. used      1986-02-07  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4765  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:10:14  

Additional Information
 Earth MOID = .936031 au 
 Jupiter MOID = 2.52481 au 
 T_jup = 3.570 
[ 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 14.08   n/a E2021B10  
diameter diameter 4.042 km 0.406 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 12.359 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 0.326   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13844 (1999 XW34)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XW34 = 1991 TZ = 1994 NF8 = 1998 VB10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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