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JPL Small-Body Database Browser
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2590 Mourao (1980 KJ)
Classification: Main-belt Asteroid          SPK-ID: 2002590
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1175685923683903 3.8406e-08  
a 2.343600328761478 6.9525e-09 au
q 2.068066537034894 8.9032e-08 au
i 6.13182713166629 3.9596e-06 deg
node 223.6552398209169 3.0163e-05 deg
peri 165.560438986704 3.3038e-05 deg
M 270.9222611399152 1.4522e-05 deg
tp 2459324.757803061323
(2021-Apr-20.25780306)
5.3462e-05 TDB
period 1310.459948758125
3.59
5.8314e-06
1.597e-08
d
yr
n .2747127070469867 1.2224e-09 deg/d
Q 2.619134120488062 7.7698e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2612  
   data-arc span      25458 days (69.70 yr)  
   first obs. used      1949-11-18  
   last obs. used      2019-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44685  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:25:53  

Additional Information
 Earth MOID = 1.07402 au 
 Jupiter MOID = 2.7989 au 
 T_jup = 3.546 
[ 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 12.5   n/a MPO473800  
diameter diameter 7.880 km 1.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 15.59 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Galad, A.; Pravec, P.; Gajdos, S.; Kornos, L.; Vilagi, J. (2007) Earth, Moon, and Planets 101, 17-25.]
geometric albedo albedo 0.605   0.296 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2590 Mourao (1980 KJ)          Discovered 1980-May-22 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2022-Jun-25 07:53 < 00:01 Iris 0.0296898153106609 0.029688206095215 0.0296914245274187 2.43421196014773 2.43421188060378 2459755.828397547 0.462704249303756 80.8074315380299 32.4682102439468 -8.21808829150445 57722.1888632211 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:26:21 2020-Feb-22 16:26
2115-Jul-12 22:49 < 00:01 Juno 0.026972414488444 0.0269640782263558 0.0269807511693806 4.63729693025097 4.63729683298493 2493740.450452222 0.890017294529133 448.061545906007 26.5656474916514 22.0445028930603 57569.6601878702 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:26:21 2020-Feb-22 16:26

Alternate Designations
 1980 KJ = 1949 WP = 1963 SM = 1974 UN = 1974 VG2 = 1974 XK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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