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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03441549738474591 5.1007e-08  
a 5.143942448627591 1.1019e-07 au
q 4.966911110739565 3.2856e-07 au
i 33.39891566702272 5.0735e-06 deg
node 113.5747720158527 9.7805e-06 deg
peri 189.2746525452748 0.00010265 deg
M 273.7901111885814 0.00010656 deg
tp 2460020.962764718142
(2023-Mar-17.46276472)
0.0012741 TDB
period 4261.304594675138
11.67
0.00013692
3.749e-07
d
yr
n .08448117049643683 2.7146e-09 deg/d
Q 5.320973786515617 1.1398e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1221  
   data-arc span      16007 days (43.82 yr)  
   first obs. used      1976-08-20  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47697  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:46:46  

Additional Information
 Earth MOID = 3.95248 au 
 Jupiter MOID = .0721627 au 
 T_jup = 2.671 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457369.5 (2015-Dec-13.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0325736089994661 5.0947e-08  
q 4.986089096574906 3.2945e-07 au
tp 2455756.200353644852
(2011-Jul-13.70035364)
0.0012977 TDB
node 113.5579568286729 9.782e-06 deg
peri 189.4625770946577 0.0001084 deg
i 33.37806179089426 5.0704e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1221  
   data-arc span      16007 days (43.82 yr)  
   first obs. used      1976-08-20  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47697  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:46:46  

Additional Information
 Jupiter MOID = .0721627 au 
 T_jup = 2.671 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.595550212575927E-15 -1.609282985957559E-14 -1.445670613211925E-11 4.295476447614632E-16 -1.274800096824571E-12 -6.964753742580994E-16
q -1.609282985957559E-14 1.085366968835483E-13 1.171516837226518E-10 -5.323579438541999E-15 1.051274205008094E-11 1.990559776951429E-14
tp -1.445670613211925E-11 1.171516837226518E-10 1.68401449515481E-6 -1.706080085670388E-10 1.400973523012994E-7 2.149427955155582E-10
node 4.295476447614632E-16 -5.323579438541999E-15 -1.706080085670388E-10 9.568725706745414E-11 -9.387152129011395E-11 -2.352603265795862E-12
peri -1.274800096824571E-12 1.051274205008094E-11 1.400973523012994E-7 -9.387152129011395E-11 1.17502075015659E-8 2.023388166131185E-11
i -6.964753742580994E-16 1.990559776951429E-14 2.149427955155582E-10 -2.352603265795862E-12 2.023388166131185E-11 2.570869605054198E-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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