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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4089380045063283 3.6478e-08  
a 2.614105075342591 4.6487e-09 au
q 1.545098162262126 9.5845e-08 au
i 9.116553255485318 5.6667e-06 deg
node 32.47390647998555 2.8881e-05 deg
peri 18.43856616085207 3.1736e-05 deg
M 199.8308674112865 7.6604e-06 deg
tp 2459287.345900019279
(2021-Mar-13.84590002)
3.388e-05 TDB
period 1543.771387223985
4.23
4.118e-06
1.127e-08
d
yr
n .2331951498643547 6.2204e-10 deg/d
Q 3.683111988423055 6.5497e-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 = .557855 au 
 Jupiter MOID = 1.74363 au 
 T_jup = 3.268 
[ 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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