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362955 (2013 AB78)
Classification: Main-belt Asteroid          SPK-ID: 2362955
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 .07092117867424005 5.2929e-08  
a 2.720315927157819 3.2656e-08 au
q 2.527387915237478 1.3463e-07 au
i 7.473339679835753 6.4815e-06 deg
node 314.3427128101736 4.1252e-05 deg
peri 269.9062833200261 6.1985e-05 deg
M 223.5047178310298 4.8131e-05 deg
tp 2460017.858985644446
(2023-Mar-14.35898564)
0.00022167 TDB
period 1638.805614944927
4.49
2.951e-05
8.079e-08
d
yr
n .2196721787605652 3.9556e-09 deg/d
Q 2.91324393907816 3.4972e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      6229 days (17.05 yr)  
   first obs. used      2003-12-21  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:41:28  

Additional Information
 Earth MOID = 1.53271 au 
 Jupiter MOID = 2.12845 au 
 T_jup = 3.343 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457674.5 (2016-Oct-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07061486839562175 5.2946e-08  
q 2.528301053894704 1.3451e-07 au
tp 2458384.714745562616
(2018-Sep-23.21474556)
0.00021661 TDB
node 314.4326148528518 4.1299e-05 deg
peri 271.0635050693211 6.2146e-05 deg
i 7.468460487076821 6.4786e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      6229 days (17.05 yr)  
   first obs. used      2003-12-21  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:41:28  

Additional Information
 Jupiter MOID = 2.12845 au 
 T_jup = 3.343 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.803239401647194E-15 -6.966789536104325E-15 -5.01636043628976E-13 -7.151640202360328E-15 -2.166465469314933E-13 2.470467209911015E-15
q -6.966789536104325E-15 1.8093434750879E-14 2.031245675574213E-12 1.80582502673018E-14 6.293699793196403E-13 -5.077952758528982E-15
tp -5.01636043628976E-13 2.031245675574213E-12 4.691953434115508E-8 1.603254510647619E-11 1.006022044574569E-8 -6.851217686960145E-12
node -7.151640202360328E-15 1.80582502673018E-14 1.603254510647619E-11 1.705636766650501E-9 -1.686975741873177E-9 3.946017655914615E-11
peri -2.166465469314933E-13 6.293699793196403E-13 1.006022044574569E-8 -1.686975741873177E-9 3.862152443697686E-9 -4.086595077451742E-11
i 2.470467209911015E-15 -5.077952758528982E-15 -6.851217686960145E-12 3.946017655914615E-11 -4.086595077451742E-11 4.19718483956256E-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 16.31   n/a MPCxxxxx  

362955 (2013 AB78)          Discovered 2003-Dec-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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