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48880 (1998 HU129)
Classification: Main-belt Asteroid          SPK-ID: 2048880
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 .2105673654245077 4.2684e-08  
a 2.219987930391536 8.762e-09 au
q 1.752530920614785 9.7362e-08 au
i 3.806262474667941 5.8892e-06 deg
node 1.475804483367746 6.4227e-05 deg
peri 291.6738290768435 6.5649e-05 deg
M 172.4706897512776 1.2874e-05 deg
tp 2458421.688506628030
(2018-Oct-30.18850663)
4.249e-05 TDB
period 1208.159704784654
3.31
7.1527e-06
1.958e-08
d
yr
n .297973851117777 1.7641e-09 deg/d
Q 2.687444940168287 1.0607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      513  
   data-arc span      9963 days (27.28 yr)  
   first obs. used      1992-09-24  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:36:11  

Additional Information
 Earth MOID = .741015 au 
 Jupiter MOID = 2.51731 au 
 T_jup = 3.618 
[ 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 16.3   n/a MPO293712  

48880 (1998 HU129)          Discovered 1998-Apr-19 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HU129 = 1992 SZ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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