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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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1175685867104474 2.9179e-08  
a 2.343600327905716 5.9736e-09 au
q 2.0680665495397 6.9706e-08 au
i 6.131828272145464 3.1326e-06 deg
node 223.6552364563202 2.8933e-05 deg
peri 165.5604418164601 3.197e-05 deg
M 270.9222622901957 1.4245e-05 deg
tp 2459324.757798696508
(2021-Apr-20.25779870)
5.2317e-05 TDB
period 1310.459948040357
3.59
5.0103e-06
1.372e-08
d
yr
n .274712707197453 1.0503e-09 deg/d
Q 2.619134106271732 6.6759e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2919  
   data-arc span      25829 days (70.72 yr)  
   first obs. used      1949-11-18  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42654  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:54:18  

Additional Information
 Earth MOID = 1.07402 au 
 Jupiter MOID = 2.7989 au 
 T_jup = 3.546 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456995.5 (2014-Dec-04.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1175591134796348 2.9145e-08  
q 2.067781872302015 6.9543e-08 au
tp 2456706.936476487206
(2014-Feb-18.43647649)
4.9613e-05 TDB
node 223.7510411581346 2.8928e-05 deg
peri 165.9528415321276 3.1973e-05 deg
i 6.132119269834635 3.1332e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2919  
   data-arc span      25829 days (70.72 yr)  
   first obs. used      1949-11-18  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42654  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:54:18  

Additional Information
 Jupiter MOID = 2.7989 au 
 T_jup = 3.546 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.494024552638136E-16 -2.021311630012762E-15 -1.812121220871786E-13 4.726024625926498E-15 -4.581694502922506E-14 -3.677000090414845E-16
q -2.021311630012762E-15 4.836168909817353E-15 4.685058930907861E-13 -1.113073028728014E-14 1.200162899242408E-13 8.821275070916027E-16
tp -1.812121220871786E-13 4.685058930907861E-13 2.461418419014985E-9 -7.366433268647963E-12 6.847340295468178E-10 1.603112274770571E-12
node 4.726024625926498E-15 -1.113073028728014E-14 -7.366433268647963E-12 8.36811308022804E-10 -8.336462251057322E-10 -4.647849104911974E-13
peri -4.581694502922506E-14 1.200162899242408E-13 6.847340295468178E-10 -8.336462251057322E-10 1.022242794118416E-9 9.207267315845883E-13
i -3.677000090414845E-16 8.821275070916027E-16 1.603112274770571E-12 -4.647849104911974E-13 9.207267315845883E-13 9.817216462329874E-12

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 35 CATAB v2.0f-lin.ifort 2020-Aug-24 22:54:37 2020-Aug-24 22:54
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 35 CATAB v2.0f-lin.ifort 2020-Aug-24 22:54:37 2020-Aug-24 22:54

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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