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70022 (1999 AF7)
Classification: Outer Main-belt Asteroid          SPK-ID: 2070022
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0300468835787474 4.1593e-08  
a 3.223086069226349 2.3112e-08 au
q 3.126242377340022 1.4577e-07 au
i 12.79346549505432 3.1622e-06 deg
node 285.6713896707578 2.0198e-05 deg
peri 161.0498998806123 7.7747e-05 deg
M 319.0804762280727 7.3859e-05 deg
tp 2459440.733932973702
(2021-Aug-14.23393297)
0.00043331 TDB
period 2113.519608697516
5.79
2.2733e-05
6.224e-08
d
yr
n .1703319895961858 1.8321e-09 deg/d
Q 3.319929761112675 2.3806e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1560  
   data-arc span      8105 days (22.19 yr)  
   first obs. used      1999-01-09  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44232  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:09:47  

Additional Information
 Earth MOID = 2.14494 au 
 Jupiter MOID = 1.83491 au 
 T_jup = 3.149 
[ 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 13.33   n/a E2021B10  
diameter diameter 12.164 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70022 (1999 AF7)          Discovered 1999-Jan-09 by Korlevic, K. at Visnjan
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 AF7 = 2002 OT2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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