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120577 (1995 QU5)
Classification: Main-belt Asteroid          SPK-ID: 2120577
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2265177128707294 1.3015e-07  
a 2.521539363785359 9.8067e-09 au
q 1.950366034187185 3.3084e-07 au
i 9.99999904068966 1.1861e-05 deg
node 300.5580800746209 2.2804e-05 deg
peri 334.0666834797682 4.1824e-05 deg
M 96.68047537390011 2.8148e-05 deg
tp 2458607.734501085620
(2019-May-04.23450109)
0.00011502 TDB
period 1462.503975723602
4.00
8.5319e-06
2.336e-08
d
yr
n .2461531770003449 1.436e-09 deg/d
Q 3.092712693383532 1.2028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      8887 days (24.33 yr)  
   first obs. used      1995-07-02  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4701  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 14:13:40  

Additional Information
 Earth MOID = .939246 au 
 Jupiter MOID = 2.08136 au 
 T_jup = 3.399 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457315.5 (2015-Oct-20.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2261752847844725 1.3026e-07  
q 1.951826364218883 3.3154e-07 au
tp 2457145.683553370914
(2015-May-03.18355337)
0.00011827 TDB
node 300.5985354976594 2.2812e-05 deg
peri 334.2117402487972 4.1775e-05 deg
i 9.995896167814104 1.1858e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      8887 days (24.33 yr)  
   first obs. used      1995-07-02  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4701  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 14:13:40  

Additional Information
 Jupiter MOID = 2.08136 au 
 T_jup = 3.399 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.696710233274375E-14 -4.31749950422174E-14 1.449416372149347E-11 -2.284550499986548E-13 4.234528764884424E-12 -2.155872259822823E-13
q -4.31749950422174E-14 1.09915950605345E-13 -3.692907554521218E-11 5.81744188537483E-13 -1.078826229239703E-11 5.488818368783276E-13
tp 1.449416372149347E-11 -3.692907554521218E-11 1.398663533008821E-8 -2.057998438278228E-10 4.153319970942586E-9 -1.950810078345468E-10
node -2.284550499986548E-13 5.81744188537483E-13 -2.057998438278228E-10 5.203808690430687E-10 -5.691380299593758E-10 1.661983879968816E-10
peri 4.234528764884424E-12 -1.078826229239703E-11 4.153319970942586E-9 -5.691380299593758E-10 1.745174912791607E-9 -2.181771870566419E-10
i -2.155872259822823E-13 5.488818368783276E-13 -1.950810078345468E-10 1.661983879968816E-10 -2.181771870566419E-10 1.406018105935859E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO436582  

120577 (1995 QU5)          Discovered 1995-Aug-22 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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