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442806 (2013 AO28)
Classification: Main-belt Asteroid          SPK-ID: 2442806
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1429993228292261 8.6172e-08  
a 2.9477000987964 3.5381e-08 au
q 2.526180980764872 2.5135e-07 au
i 8.37094980880336 7.6636e-06 deg
node 348.5310426335677 5.7757e-05 deg
peri 140.2210481572732 6.281e-05 deg
M 156.0446417585892 2.481e-05 deg
tp 2458199.246885596811
(2018-Mar-21.74688560)
0.0001238 TDB
period 1848.51666763028
5.06
3.3282e-05
9.112e-08
d
yr
n .1947507459921931 3.5064e-09 deg/d
Q 3.369219216827928 4.0441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      6329 days (17.33 yr)  
   first obs. used      2003-02-01  
   last obs. used      2020-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62849  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:19:36  

Additional Information
 Earth MOID = 1.54726 au 
 Jupiter MOID = 1.68771 au 
 T_jup = 3.239 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457136.5 (2015-Apr-24.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1434958949822052 8.5452e-08  
q 2.520421903164435 2.4911e-07 au
tp 2456349.596628258367
(2013-Feb-26.09662826)
0.00011898 TDB
node 348.8132832723841 5.7862e-05 deg
peri 138.7074978086879 6.2959e-05 deg
i 8.368079787324371 7.6507e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      6329 days (17.33 yr)  
   first obs. used      2003-02-01  
   last obs. used      2020-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62849  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:19:36  

Additional Information
 Jupiter MOID = 1.68771 au 
 T_jup = 3.239 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.302062399293347E-15 -2.11396836955964E-14 -5.433585596405045E-13 -8.133843131453598E-14 1.615707209425805E-13 -1.903253825749884E-14
q -2.11396836955964E-14 6.205776502262075E-14 1.584052585761203E-12 2.424542716636267E-13 -3.920631534741577E-13 5.634404910184551E-14
tp -5.433585596405045E-13 1.584052585761203E-12 1.41564704221455E-8 6.295426775878087E-11 3.019441544512051E-9 -1.800843949398108E-12
node -8.133843131453598E-14 2.424542716636267E-13 6.295426775878087E-11 3.348016579834769E-9 -3.299006226607569E-9 -1.418821808994381E-10
peri 1.615707209425805E-13 -3.920631534741577E-13 3.019441544512051E-9 -3.299006226607569E-9 3.963824396469912E-9 1.396685396435988E-10
i -1.903253825749884E-14 5.634404910184551E-14 -1.800843949398108E-12 -1.418821808994381E-10 1.396685396435988E-10 5.853303823905593E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO437722  

442806 (2013 AO28)          Discovered 2006-Sep-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2013 AO28 = 2006 TN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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