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176154 (2001 GA)
Classification: Main-belt Asteroid          SPK-ID: 2176154
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1042597332889312 4.2663e-08  
a 2.283758277991092 1.2746e-08 au
q 2.045654249031352 9.6878e-08 au
i 4.757479636558299 6.1453e-06 deg
node 11.69684360788099 5.4847e-05 deg
peri 228.1248777781194 6.217e-05 deg
M 276.550236898003 2.906e-05 deg
tp 2459688.710781717194
(2022-Apr-19.21078172)
0.0001025 TDB
period 1260.589335521703
3.45
1.0554e-05
2.89e-08
d
yr
n .2855807120175356 2.3909e-09 deg/d
Q 2.521862306950832 1.4075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      7232 days (19.80 yr)  
   first obs. used      2001-03-20  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54875  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:08:24  

Additional Information
 Earth MOID = 1.03761 au 
 Jupiter MOID = 2.48054 au 
 T_jup = 3.592 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457088.5 (2015-Mar-07.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041738496792563 4.2661e-08  
q 2.045338143152951 9.6833e-08 au
tp 2457168.570994218095
(2015-May-26.07099422)
9.8126e-05 TDB
node 11.74348339923897 5.4812e-05 deg
peri 228.2617773801116 6.2156e-05 deg
i 4.759666062931867 6.147e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      7232 days (19.80 yr)  
   first obs. used      2001-03-20  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54875  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:08:24  

Additional Information
 Jupiter MOID = 2.48054 au 
 T_jup = 3.592 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.819958971450966E-15 -4.10263008773471E-15 -9.551781153963217E-13 1.587720018560843E-14 -2.986524274325285E-13 -1.869785990747977E-15
q -4.10263008773471E-15 9.376658438779445E-15 2.303362853382868E-12 -3.556288789208883E-14 7.16024294268711E-13 4.355873680258453E-15
tp -9.551781153963217E-13 2.303362853382868E-12 9.628742978534487E-9 -2.22462025681811E-11 2.891077669482223E-9 1.977069821963136E-12
node 1.587720018560843E-14 -3.556288789208883E-14 -2.22462025681811E-11 3.00436623719008E-9 -2.999664087681125E-9 -6.079960886017538E-11
peri -2.986524274325285E-13 7.16024294268711E-13 2.891077669482223E-9 -2.999664087681125E-9 3.863385551824802E-9 6.11546540051245E-11
i -1.869785990747977E-15 4.355873680258453E-15 1.977069821963136E-12 -6.079960886017538E-11 6.11546540051245E-11 3.778540950886025E-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 16.72   n/a MPCxxxxx  

176154 (2001 GA)          Discovered 2001-Apr-01 by Kusnirak, P. at Ondrejov
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

Alternate Designations
 2001 GA = 2002 RQ27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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