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101857 (1999 JZ125)
Classification: Main-belt Asteroid          SPK-ID: 2101857
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2750573178971197 3.0044e-08  
a 2.923515754010474 1.0945e-08 au
q 2.119381351882378 8.8961e-08 au
i 7.171136938196543 5.3306e-06 deg
node 13.71934501813252 2.061e-05 deg
peri 243.4552491618612 2.2997e-05 deg
M 91.1254271612265 9.0169e-06 deg
tp 2458738.338609760933
(2019-Sep-11.83860976)
4.4915e-05 TDB
period 1825.814217492716
5.00
1.0253e-05
2.807e-08
d
yr
n .1971723062242154 1.1072e-09 deg/d
Q 3.727650156138571 1.3955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1190  
   data-arc span      7963 days (21.80 yr)  
   first obs. used      1999-04-15  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47973  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:02  

Additional Information
 Earth MOID = 1.11494 au 
 Jupiter MOID = 1.42919 au 
 T_jup = 3.210 
[ 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 14.8   n/a MPO436476  
diameter diameter 7.398 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101857 (1999 JZ125)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 JZ125 = 2000 SJ199 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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