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58744 (1998 EN13)
Classification: Outer Main-belt Asteroid          SPK-ID: 2058744
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0931575606263129 4.746e-08  
a 3.205353174823752 2.982e-08 au
q 2.906750292111364 1.5299e-07 au
i 6.203095910728305 5.0768e-06 deg
node 125.7713105085205 4.4526e-05 deg
peri 51.69544091301952 5.1863e-05 deg
M 313.9893209222737 2.8022e-05 deg
tp 2459268.397340122703
(2021-Feb-22.89734012)
0.00016511 TDB
period 2096.101261214837
5.74
2.9251e-05
8.008e-08
d
yr
n .1717474277895119 2.3967e-09 deg/d
Q 3.503956057536139 3.2598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      10202 days (27.93 yr)  
   first obs. used      1992-02-27  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:35:48  

Additional Information
 Earth MOID = 1.91654 au 
 Jupiter MOID = 1.48206 au 
 T_jup = 3.177 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456910.5 (2014-Sep-10.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0959698595198675 4.716e-08  
q 2.899786716916194 1.5315e-07 au
tp 2457173.244809637093
(2015-May-30.74480964)
0.00014778 TDB
node 125.8048139060952 4.4494e-05 deg
peri 51.716941735182 5.1488e-05 deg
i 6.204319844665709 5.0779e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      10202 days (27.93 yr)  
   first obs. used      1992-02-27  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:35:48  

Additional Information
 Jupiter MOID = 1.48206 au 
 T_jup = 3.177 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.224025479710352E-15 -7.108803008493478E-15 -6.112821687008036E-13 -4.086430109561164E-16 -1.227899298353348E-13 -5.928531159590756E-16
q -7.108803008493478E-15 2.345371741325891E-14 3.565959414477855E-12 -3.809007460561892E-15 6.589645817710805E-13 1.756733110221778E-15
tp -6.112821687008036E-13 3.565959414477855E-12 2.18403903597737E-8 -1.675068212064673E-11 3.859173992615904E-9 -1.927446087620272E-12
node -4.086430109561164E-16 -3.809007460561892E-15 -1.675068212064673E-11 1.979757455515007E-9 -1.970835468926292E-9 4.039849089097947E-11
peri -1.227899298353348E-13 6.589645817710805E-13 3.859173992615904E-9 -1.970835468926292E-9 2.651003943731957E-9 -4.051610509163042E-11
i -5.928531159590756E-16 1.756733110221778E-15 -1.927446087620272E-12 4.039849089097947E-11 -4.051610509163042E-11 2.578457397305781E-11

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 14.6   n/a MPO432141  
diameter diameter 6.943 km 0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58744 (1998 EN13)          Discovered 1998-Mar-01 by Elst, E. W. at La Silla
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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