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101568 (1999 AK30)
Classification: Main-belt Asteroid          SPK-ID: 2101568
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03459842461513622 3.9884e-08  
a 2.648744636757047 1.2809e-08 au
q 2.557102245117462 1.0526e-07 au
i .6226033519799153 4.1275e-06 deg
node 222.1267747121823 0.00038991 deg
peri 278.4200535857768 0.00039472 deg
M 11.76076814079161 6.1185e-05 deg
tp 2459149.061090888863
(2020-Oct-26.56109089)
0.00026756 TDB
period 1574.557635889496
4.31
1.1422e-05
3.127e-08
d
yr
n .228635644573677 1.6585e-09 deg/d
Q 2.740387028396632 1.3253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      8173 days (22.38 yr)  
   first obs. used      1998-10-29  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55534  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:25  

Additional Information
 Earth MOID = 1.56955 au 
 Jupiter MOID = 2.2435 au 
 T_jup = 3.390 
[ show covariance matrix ]

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 16.20   n/a E2021B55  

101568 (1999 AK30)          Discovered 1999-Jan-14 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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