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

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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0344155034091085 5.2034e-08  
a 5.143942461037242 1.1186e-07 au
q 4.966911091733157 3.3035e-07 au
i 33.39891454672861 5.3708e-06 deg
node 113.5747717377722 9.7885e-06 deg
peri 189.2746651990514 0.00010429 deg
M 273.7900973343321 0.00010852 deg
tp 2460020.962932403065
(2023-Mar-17.46293240)
0.0012982 TDB
period 4261.304610095597
11.67
0.000139
3.806e-07
d
yr
n .08448117019072331 2.7557e-09 deg/d
Q 5.320973830341328 1.1571e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1115  
   data-arc span      15958 days (43.69 yr)  
   first obs. used      1976-08-20  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49469  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:41:23  

Additional Information
 Earth MOID = 3.95248 au 
 Jupiter MOID = .0721627 au 
 T_jup = 2.671 
[ show covariance matrix ]

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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