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312876 (2011 UY177)
Classification: Main-belt Asteroid          SPK-ID: 2312876
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07516922784376227 8.6546e-08  
a 3.114164486132229 5.5223e-08 au
q 2.880075146331202 3.0633e-07 au
i 10.59009425732517 1.1355e-05 deg
node 61.82488292394287 3.5811e-05 deg
peri 273.1817502315435 8.4526e-05 deg
M 268.3693915934953 7.6004e-05 deg
tp 2459511.415193519681
(2021-Oct-23.91519352)
0.00042312 TDB
period 2007.292899891171
5.50
5.3392e-05
1.462e-07
d
yr
n .1793460237016322 4.7704e-09 deg/d
Q 3.348253825933255 5.9374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7150 days (19.58 yr)  
   first obs. used      2000-11-18  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61177  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:45:42  

Additional Information
 Earth MOID = 1.89639 au 
 Jupiter MOID = 1.94844 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457875.5 (2017-May-02.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07443740969484586 8.7029e-08  
q 2.883821462513848 3.0808e-07 au
tp 2457507.133478284132
(2016-Apr-28.63347828)
0.00043159 TDB
node 61.82483273858987 3.5802e-05 deg
peri 273.7652463513583 8.497e-05 deg
i 10.59001289596011 1.1355e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7150 days (19.58 yr)  
   first obs. used      2000-11-18  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61177  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:45:42  

Additional Information
 Jupiter MOID = 1.94844 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.574074026003409E-15 -2.660629006770725E-14 1.606025776716034E-11 -1.504136218687553E-14 3.064545729709422E-12 3.362104637526966E-15
q -2.660629006770725E-14 9.491244426051368E-14 -5.3489183912123E-11 5.283829350396976E-14 -1.020926868387188E-11 -1.012602158748983E-14
tp 1.606025776716034E-11 -5.3489183912123E-11 1.862718663558371E-7 5.742001189503932E-11 3.328884649226345E-8 -9.293708226868947E-12
node -1.504136218687553E-14 5.283829350396976E-14 5.742001189503932E-11 1.281758791189503E-9 -1.249751945633556E-9 -1.828454958706462E-10
peri 3.064545729709422E-12 -1.020926868387188E-11 3.328884649226345E-8 -1.249751945633556E-9 7.219949438517103E-9 1.782567813782499E-10
i 3.362104637526966E-15 -1.012602158748983E-14 -9.293708226868947E-12 -1.828454958706462E-10 1.782567813782499E-10 1.289464222876539E-10

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 15.8   n/a MPO397108  

312876 (2011 UY177)          Discovered 2005-Sep-30 by LONEOS at Anderson Mesa
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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