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24693 (1990 SB2)
Classification: Mars-crossing Asteroid          SPK-ID: 2024693
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .34792460940333 1.4711e-08  
a 2.405419947547813 5.7093e-09 au
q 1.568515151846262 3.4981e-08 au
i 20.12323785168523 3.8558e-07 deg
node 153.7270066067323 1.7248e-06 deg
peri 269.0128379555604 2.3364e-06 deg
M 7.34124479814414 2.0587e-06 deg
tp 2459172.712338843299
(2020-Nov-19.21233884)
7.7911e-06 TDB
period 1362.651470080577
3.73
4.8514e-06
1.328e-08
d
yr
n .2641908132082463 9.4059e-10 deg/d
Q 3.242324743249365 7.6957e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2093  
   data-arc span      24489 days (67.05 yr)  
   first obs. used      1954-03-07  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4344  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:36:42  

Additional Information
 Earth MOID = .724821 au 
 Jupiter MOID = 2.50846 au 
 T_jup = 3.360 
[ 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 13.93   n/a E2021B10  

24693 (1990 SB2)          Discovered 1990-Sep-23 by Roman, B. at Palomar
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 SB2 = 1999 BC1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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