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58205 (1992 EX12)
Classification: Main-belt Asteroid          SPK-ID: 2058205
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1196141333181923 4.4093e-08  
a 2.399630745459032 9.4715e-09 au
q 2.112600993557262 1.0767e-07 au
i .7937956716899267 4.3169e-06 deg
node 222.8167498676924 0.0002756 deg
peri 317.8099759761168 0.00027617 deg
M 255.6106867061702 1.9965e-05 deg
tp 2459594.202881481592
(2022-Jan-14.70288148)
7.6495e-05 TDB
period 1357.735124997229
3.72
8.0386e-06
2.201e-08
d
yr
n .2651474454568115 1.5698e-09 deg/d
Q 2.686660497360802 1.0604e-08 au
  Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      22028 days (60.31 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55008  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 05:42:41  

Additional Information
 Earth MOID = 1.1151 au 
 Jupiter MOID = 2.27296 au 
 T_jup = 3.517 
[ 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 16.01   n/a E2021B10  
rotation period rot_per 3.30 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.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

58205 (1992 EX12)          Discovered 1992-Mar-01 by UESAC at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 EX12 = 1996 HU8 = 2001 UA110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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