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160961 (2002 AW178)
Classification: Main-belt Asteroid          SPK-ID: 2160961
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1348560491284384 4.9582e-08  
a 2.305254189016632 1.3244e-08 au
q 1.994376716849067 1.1362e-07 au
i 7.287858362755281 4.9096e-06 deg
node 122.1283570512678 3.8305e-05 deg
peri 240.1780690517853 4.1853e-05 deg
M 326.0659859634558 1.9406e-05 deg
tp 2459517.006199802747
(2021-Oct-29.50619980)
6.9467e-05 TDB
period 1278.429126665349
3.50
1.1017e-05
3.016e-08
d
yr
n .2815955867174451 2.4268e-09 deg/d
Q 2.616131661184197 1.503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      9626 days (26.35 yr)  
   first obs. used      1995-02-02  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55802  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:12:23  

Additional Information
 Earth MOID = 1.00141 au 
 Jupiter MOID = 2.83528 au 
 T_jup = 3.566 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457439.5 (2016-Feb-21.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1340607900790842 4.9496e-08  
q 1.996236770525063 1.1318e-07 au
tp 2456960.465394668896
(2014-Oct-29.96539467)
6.1148e-05 TDB
node 122.1933053919693 3.8273e-05 deg
peri 240.0767116040381 4.1882e-05 deg
i 7.29018411234597 4.9118e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      9626 days (26.35 yr)  
   first obs. used      1995-02-02  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55802  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:12:23  

Additional Information
 Jupiter MOID = 2.83528 au 
 T_jup = 3.566 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.449841444637056E-15 -5.573253121334743E-15 -1.373708239799635E-13 1.304665829656899E-14 -8.894507301872546E-14 1.30451026546419E-15
q -5.573253121334743E-15 1.280903868783464E-14 4.927802501105317E-13 -2.98436385016357E-14 2.584987088398309E-13 -2.721681738838264E-15
tp -1.373708239799635E-13 4.927802501105317E-13 3.739077402218677E-9 -2.628202464428462E-11 1.060562166733108E-9 4.363344700650684E-13
node 1.304665829656899E-14 -2.98436385016357E-14 -2.628202464428462E-11 1.464840095856411E-9 -1.460038482731756E-9 4.584658049817688E-11
peri -8.894507301872546E-14 2.584987088398309E-13 1.060562166733108E-9 -1.460038482731756E-9 1.754100719614387E-9 -4.543088298542759E-11
i 1.30451026546419E-15 -2.721681738838264E-15 4.363344700650684E-13 4.584658049817688E-11 -4.543088298542759E-11 2.412606990795444E-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 16.19   n/a MPCxxxxx  

160961 (2002 AW178)          Discovered 2002-Jan-14 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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