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56277 (1999 JU129)
Classification: Main-belt Asteroid          SPK-ID: 2056277
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2273797155150608 6.2443e-08  
a 2.794196876142773 2.1422e-08 au
q 2.158853185352358 1.7995e-07 au
i 11.64410087874208 6.6651e-06 deg
node 199.6707854494697 2.1025e-05 deg
peri 351.3230013167101 2.4249e-05 deg
M 210.6995788024339 1.7952e-05 deg
tp 2459708.026096721484
(2022-May-08.52609672)
9.0982e-05 TDB
period 1706.019264893316
4.67
1.9619e-05
5.371e-08
d
yr
n .211017546758191 2.4267e-09 deg/d
Q 3.429540566933189 2.6293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      8782 days (24.04 yr)  
   first obs. used      1996-10-07  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54876  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:00:04  

Additional Information
 Earth MOID = 1.1594 au 
 Jupiter MOID = 1.53628 au 
 T_jup = 3.260 
[ show covariance matrix ]

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 15.3   n/a MPO502529  

56277 (1999 JU129)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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