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175220 (2005 GM77)
Classification: Main-belt Asteroid          SPK-ID: 2175220
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04808530489846265 3.6282e-08  
a 2.313095838054439 1.2321e-08 au
q 2.201869919422227 8.5851e-08 au
i 6.693245122177021 4.1549e-06 deg
node 107.5021547739986 3.5272e-05 deg
peri 350.8048424165768 6.1526e-05 deg
M 254.7620782482308 5.2352e-05 deg
tp 2459576.128581206314
(2021-Dec-27.62858121)
0.00018829 TDB
period 1284.957807825578
3.52
1.0267e-05
2.811e-08
d
yr
n .2801648410613549 2.2386e-09 deg/d
Q 2.424321756686652 1.2914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      9719 days (26.61 yr)  
   first obs. used      1994-01-07  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:30  

Additional Information
 Earth MOID = 1.21881 au 
 Jupiter MOID = 2.63985 au 
 T_jup = 3.572 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457809.5 (2017-Feb-25.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04869877382065829 3.6231e-08  
q 2.200429568708088 8.5948e-08 au
tp 2458286.244368089919
(2018-Jun-16.74436809)
0.00018121 TDB
node 107.518981346834 3.5283e-05 deg
peri 349.5549709363301 6.1025e-05 deg
i 6.692311053182771 4.1536e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      9719 days (26.61 yr)  
   first obs. used      1994-01-07  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:30  

Additional Information
 Jupiter MOID = 2.63985 au 
 T_jup = 3.572 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.312671206354578E-15 -3.085261056538473E-15 2.21770218800745E-13 -9.163496146943963E-16 8.986274667432934E-14 -3.349136860344898E-16
q -3.085261056538473E-15 7.387026319196654E-15 4.408347930681786E-13 2.285914156739986E-15 4.160789582532938E-14 1.195690856191214E-15
tp 2.21770218800745E-13 4.408347930681786E-13 3.283721820017573E-8 -3.760016159654169E-12 9.034304586283568E-9 5.599621897860958E-12
node -9.163496146943963E-16 2.285914156739986E-15 -3.760016159654169E-12 1.244904876149103E-9 -1.237357756834382E-9 1.920468153343862E-11
peri 8.986274667432934E-14 4.160789582532938E-14 9.034304586283568E-9 -1.237357756834382E-9 3.72400240081356E-9 -1.756813500984623E-11
i -3.349136860344898E-16 1.195690856191214E-15 5.599621897860958E-12 1.920468153343862E-11 -1.756813500984623E-11 1.725245968241269E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.78   n/a MPCxxxxx  

175220 (2005 GM77)          Discovered 2005-Apr-06 by CSS at Catalina
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 2005 GM77 = 1994 AZ7 = 2001 AQ13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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