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101841 (1999 JM67)
Classification: Outer Main-belt Asteroid          SPK-ID: 2101841
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07639578050231773 5.4871e-08  
a 3.214403525048839 2.6109e-08 au
q 2.968836658903331 1.8295e-07 au
i 12.33348582835332 5.1856e-06 deg
node 46.86009732507782 2.2001e-05 deg
peri 172.714437225147 3.9444e-05 deg
M 235.2306164506951 3.5647e-05 deg
tp 2459730.049138530304
(2022-May-30.54913853)
0.00021227 TDB
period 2104.985072456684
5.76
2.5647e-05
7.022e-08
d
yr
n .1710225904736947 2.0837e-09 deg/d
Q 3.459970391194346 2.8104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      829  
   data-arc span      7887 days (21.59 yr)  
   first obs. used      1999-04-11  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56147  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:51  

Additional Information
 Earth MOID = 1.9609 au 
 Jupiter MOID = 1.51587 au 
 T_jup = 3.150 
[ 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 14.0   n/a MPO366392  
diameter diameter 8.372 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101841 (1999 JM67)          Discovered 1999-May-12 by LINEAR at Socorro
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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