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175697 (1995 UG2)
Classification: Main-belt Asteroid          SPK-ID: 2175697
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1893871043768211 7.3683e-08  
a 2.418600248686949 1.7799e-08 au
q 1.960548550943068 1.7413e-07 au
i 2.1436325342048 7.5497e-06 deg
node 30.35555193963511 0.0001208 deg
peri 325.4190669134491 0.00012234 deg
M 268.7156123668539 2.6286e-05 deg
tp 2459548.868254418285
(2021-Nov-30.36825442)
0.0001034 TDB
period 1373.866603504983
3.76
1.5166e-05
4.152e-08
d
yr
n .2620341735373541 2.8925e-09 deg/d
Q 2.87665194643083 2.1169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      8976 days (24.57 yr)  
   first obs. used      1995-10-23  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6048  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:27  

Additional Information
 Earth MOID = .95488 au 
 Jupiter MOID = 2.56543 au 
 T_jup = 3.489 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457009.5 (2014-Dec-18.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1883068099792071 7.309e-08  
q 1.963550217624601 1.7234e-07 au
tp 2456797.483805299725
(2014-May-19.98380530)
8.0926e-05 TDB
node 30.40541522510864 0.00012094 deg
peri 324.8410367179794 0.0001225 deg
i 2.1436863432464 7.5386e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      8976 days (24.57 yr)  
   first obs. used      1995-10-23  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6048  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:27  

Additional Information
 Jupiter MOID = 2.56543 au 
 T_jup = 3.489 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.342126054441716E-15 -1.255507594959593E-14 3.613800240143789E-12 2.773355562997502E-14 7.58305930529143E-13 -2.987679050961244E-15
q -1.255507594959593E-14 2.97015802942688E-14 -7.932524005508721E-12 -6.307588270720097E-14 -1.642302124062175E-12 6.831697902023166E-15
tp 3.613800240143789E-12 -7.932524005508721E-12 6.54897039777425E-9 3.581224254391715E-11 1.583551322932577E-9 -3.913808968062039E-12
node 2.773355562997502E-14 -6.307588270720097E-14 3.581224254391715E-11 1.462604773312188E-8 -1.460642250778933E-8 -2.245643442691329E-12
peri 7.58305930529143E-13 -1.642302124062175E-12 1.583551322932577E-9 -1.460642250778933E-8 1.500670316358367E-8 1.284234627371019E-12
i -2.987679050961244E-15 6.831697902023166E-15 -3.913808968062039E-12 -2.245643442691329E-12 1.284234627371019E-12 5.683096483109599E-11

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 16.88   n/a E2021B55  

175697 (1995 UG2)          Discovered 1995-Oct-23 by Klet at Klet
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 1995 UG2 = 1999 XO128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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