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344065 (1995 UB4)
Classification: Mars-crossing Asteroid          SPK-ID: 2344065
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4070440184501256 3.6205e-08  
a 2.614677885540546 4.8114e-09 au
q 1.550388892057444 9.4646e-08 au
i 9.081100064192974 5.6498e-06 deg
node 32.21306228099954 2.9049e-05 deg
peri 18.77303638544991 3.2035e-05 deg
M 292.7581908779873 8.0457e-06 deg
tp 2459288.944728369292
(2021-Mar-15.44472837)
3.4568e-05 TDB
period 1544.27882843728
4.23
4.2626e-06
1.167e-08
d
yr
n .2331185232684302 6.4346e-10 deg/d
Q 3.678966879023647 6.7699e-09 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      8626 days (23.62 yr)  
   first obs. used      1995-10-20  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56159  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:29:12  

Additional Information
 Earth MOID = .563708 au 
 Jupiter MOID = 1.7497 au 
 T_jup = 3.269 
[ 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 17.0   n/a MPO440549  

344065 (1995 UB4)          Discovered 1995-Oct-20 by Kobayashi, T. at Oizumi
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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