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30967 (1994 XX4)
Classification: Main-belt Asteroid          SPK-ID: 2030967
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1300573198829867 3.1774e-08  
a 2.323962711685784 7.762e-09 au
q 2.021714349895933 7.321e-08 au
i 5.985934280591216 4.0168e-06 deg
node 275.4047278184979 3.4331e-05 deg
peri 107.1836558315741 3.8583e-05 deg
M 181.1862343015956 1.7831e-05 deg
tp 2459843.247814363192
(2022-Sep-20.74781436)
6.5412e-05 TDB
period 1294.023490121118
3.54
6.483e-06
1.775e-08
d
yr
n .2782020595053531 1.3938e-09 deg/d
Q 2.626211073475635 8.7715e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1711  
   data-arc span      11138 days (30.49 yr)  
   first obs. used      1990-09-23  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4955  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:32:55  

Additional Information
 Earth MOID = 1.03359 au 
 Jupiter MOID = 2.83446 au 
 T_jup = 3.557 
[ 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 14.54   n/a E2021B10  
diameter diameter 3.206 km 0.388 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.527 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 0.569   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30967 (1994 XX4)          Discovered 1994-Dec-09 by Kobayashi, T. at Oizumi
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 XX4 = 1990 SB28 = 1999 FB36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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