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59141 (1998 XE61)
Classification: Main-belt Asteroid          SPK-ID: 2059141
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 .2010381784097655 4.03e-08  
a 2.352955320366213 1.197e-08 au
q 1.879921468880223 9.3426e-08 au
i 4.47213141420186 4.7481e-06 deg
node 281.8272266066592 6.2465e-05 deg
peri 333.7089227024907 6.3681e-05 deg
M 215.7679030590939 1.2276e-05 deg
tp 2459528.675636744220
(2021-Nov-10.17563674)
4.5824e-05 TDB
period 1318.314253628466
3.61
1.006e-05
2.754e-08
d
yr
n .2730760128013127 2.0837e-09 deg/d
Q 2.825989171852202 1.4376e-08 au
  Orbit Determination Parameters
   # obs. used (total)      595  
   data-arc span      7716 days (21.13 yr)  
   first obs. used      1998-12-13  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56748  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:43:12  

Additional Information
 Earth MOID = .866237 au 
 Jupiter MOID = 2.24026 au 
 T_jup = 3.525 
[ 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 16.0   n/a MPO452971  
diameter diameter 4.106 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59141 (1998 XE61)          Discovered 1998-Dec-13 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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