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24825 (1995 QB2)
Classification: Main-belt Asteroid          SPK-ID: 2024825
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .183962776633001 1.2599e-08  
a 2.237682009009747 5.5189e-09 au
q 1.826031813410602 2.8864e-08 au
i 3.553735437450496 3.1266e-07 deg
node 302.4172305588247 5.615e-06 deg
peri 78.17761025897495 8.3706e-06 deg
M 170.4251861711024 4.1646e-06 deg
tp 2458621.701684609055
(2019-May-18.20168461)
1.3433e-05 TDB
period 1222.632629730824
3.35
4.5231e-06
1.238e-08
d
yr
n .2944465829275781 1.0893e-09 deg/d
Q 2.649332204608892 6.5342e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1841  
   data-arc span      23922 days (65.49 yr)  
   first obs. used      1955-09-19  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50342  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:37:58  

Additional Information
 Earth MOID = .831201 au 
 Jupiter MOID = 2.82731 au 
 T_jup = 3.612 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.53   n/a MPCxxxxx  
diameter diameter 3.987 km 0.251 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.176   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24825 (1995 QB2)          Discovered 1995-Aug-21 by Endate, K., Watanabe, K. at Kitami
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 QB2 = 1955 SQ1 = 1955 UW = 1985 RX4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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