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JPL Small-Body Database Browser
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56050 (1998 XG45)
Classification: Main-belt Asteroid          SPK-ID: 2056050
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1684356328842164 4.7736e-08  
a 2.355115851658625 1.0321e-08 au
q 1.958430422668854 1.1107e-07 au
i 4.114281606456245 4.9237e-06 deg
node 330.4995990924331 5.9324e-05 deg
peri 193.428644190086 6.0669e-05 deg
M 172.2381903715807 1.5874e-05 deg
tp 2457968.897568317921
(2017-Aug-03.39756832)
5.559e-05 TDB
period 1320.13042470438
3.61
8.6776e-06
2.376e-08
d
yr
n .2727003281366049 1.7925e-09 deg/d
Q 2.751801280648396 1.2059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      927  
   data-arc span      10643 days (29.14 yr)  
   first obs. used      1990-09-23  
   last obs. used      2019-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55051  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 04:40:18  

Additional Information
 Earth MOID = .967014 au 
 Jupiter MOID = 2.23133 au 
 T_jup = 3.532 
[ 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 15.3   n/a MPO347898  
diameter diameter 1.965 km 0.233 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.219   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56050 (1998 XG45)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XG45 = 2001 RU69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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