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72901 (2001 KJ69)
Classification: Main-belt Asteroid          SPK-ID: 2072901
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08003963972869156 3.3359e-08  
a 2.797069847200743 1.6918e-08 au
q 2.57319338433481 9.0521e-08 au
i 25.07707650562496 4.2526e-06 deg
node 192.7385304414484 9.8886e-06 deg
peri 322.9181618432602 3.1267e-05 deg
M 134.0885979981409 3.0002e-05 deg
tp 2458564.081576701158
(2019-Mar-21.58157670)
0.00014203 TDB
period 1708.651114323379
4.68
1.5502e-05
4.244e-08
d
yr
n .2106925146872707 1.9116e-09 deg/d
Q 3.020946310066677 1.8273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      7998 days (21.90 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-08-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52685  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:41  

Additional Information
 Earth MOID = 1.60026 au 
 Jupiter MOID = 1.98493 au 
 T_jup = 3.184 
[ 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 14.83   n/a E2021B10  
diameter diameter 2.786 km 0.493 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.207   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72901 (2001 KJ69)          Discovered 2001-May-22 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 KJ69 = 1998 SW106 = 2007 RK303 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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