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434949 (2006 UN25)
Classification: Main-belt Asteroid          SPK-ID: 2434949
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1788365329259114 4.34e-08  
a 2.228359224746323 2.4627e-08 au
q 1.829847186879219 8.8814e-08 au
i 3.139947720692405 8.2678e-06 deg
node 2.8810977272542 7.8897e-05 deg
peri 269.2380842666103 8.4234e-05 deg
M 133.4835991896576 2.911e-05 deg
tp 2458549.992901043659
(2019-Mar-07.49290104)
9.9793e-05 TDB
period 1214.999869713197
3.33
2.0141e-05
5.514e-08
d
yr
n .2962963280687253 4.9118e-09 deg/d
Q 2.626871262613427 2.9031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      5361 days (14.68 yr)  
   first obs. used      2005-03-12  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50917  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:45:47  

Additional Information
 Earth MOID = .817019 au 
 Jupiter MOID = 2.48364 au 
 T_jup = 3.621 
[ 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 17.8   n/a MPO495164  
rotation period rot_per 5.43 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]

434949 (2006 UN25)          Discovered 2006-Sep-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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