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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1175685962587512 3.7765e-08  
a 2.343600329329909 6.8888e-09 au
q 2.068066528419044 8.7663e-08 au
i 6.131827171991727 3.9281e-06 deg
node 223.6552389274127 3.0039e-05 deg
peri 165.5604395519269 3.2924e-05 deg
M 270.92226100283 1.4515e-05 deg
tp 2459324.757803678307
(2021-Apr-20.25780368)
5.3428e-05 TDB
period 1310.459949234895
3.59
5.778e-06
1.582e-08
d
yr
n .274712706947041 1.2112e-09 deg/d
Q 2.619134130240773 7.6987e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2669  
   data-arc span      25728 days (70.44 yr)  
   first obs. used      1949-11-18  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:42:04  

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

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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 33 CATAB v2.0f-lin.ifort 2020-May-20 01:42:23 2020-May-20 01:42
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 33 CATAB v2.0f-lin.ifort 2020-May-20 01:42:23 2020-May-20 01:42

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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