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29603 (1998 MO44)
Classification: Jupiter Trojan          SPK-ID: 2029603
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0344154950457229 5.076e-08  
a 5.143942444307896 1.0975e-07 au
q 4.966911118600334 3.2815e-07 au
i 33.39891630112972 4.9877e-06 deg
node 113.5747722857101 9.7747e-06 deg
peri 189.2746477214513 0.00010219 deg
M 273.7901163094238 0.000106 deg
tp 2460020.962702817529
(2023-Mar-17.46270282)
0.0012672 TDB
period 4261.304589307407
11.67
0.00013638
3.734e-07
d
yr
n .08448117060285312 2.7037e-09 deg/d
Q 5.320973770015459 1.1353e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1296  
   data-arc span      16051 days (43.95 yr)  
   first obs. used      1976-08-20  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 02:39:41  

Additional Information
 Earth MOID = 3.95248 au 
 Jupiter MOID = .0721626 au 
 T_jup = 2.671 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457407.5 (2016-Jan-20.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03259279095651942 5.0725e-08  
q 4.985722508832025 3.2918e-07 au
tp 2455755.024076678117
(2011-Jul-12.52407668)
0.0012904 TDB
node 113.5573121614541 9.7762e-06 deg
peri 189.3568172335243 0.00010781 deg
i 33.37866432793212 4.9846e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1296  
   data-arc span      16051 days (43.95 yr)  
   first obs. used      1976-08-20  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 02:39:41  

Additional Information
 Jupiter MOID = .0721626 au 
 T_jup = 2.671 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.573059790077892E-15 -1.602799188983603E-14 -1.512382798236513E-11 5.352557352951253E-16 -1.329415092523559E-12 -9.333660664760624E-16
q -1.602799188983603E-14 1.08362140753298E-13 1.192093730243713E-10 -5.700794696375981E-15 1.068158894960308E-11 2.048406944696417E-14
tp -1.512382798236513E-11 1.192093730243713E-10 1.66500462807465E-6 -1.688765373715559E-10 1.38547336630617E-7 2.068848133593235E-10
node 5.352557352951253E-16 -5.700794696375981E-15 -1.688765373715559E-10 9.557367117718448E-11 -9.363692475263134E-11 -2.663400724441368E-12
peri -1.329415092523559E-12 1.068158894960308E-11 1.38547336630617E-7 -9.363692475263134E-11 1.162378704274193E-8 1.98246015642829E-11
i -9.333660664760624E-16 2.048406944696417E-14 2.068848133593235E-10 -2.663400724441368E-12 1.98246015642829E-11 2.484670093822475E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.1   n/a MPO435968  
diameter diameter 32.512 km 0.575 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.061   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

29603 (1998 MO44)          Discovered 1998-Jun-19 by LINEAR at Socorro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 MO44 = 1982 BU4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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