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24991 (1998 ML31)
Classification: Main-belt Asteroid          SPK-ID: 2024991
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2172395159450993 3.4604e-08  
a 2.296834755724762 5.92e-09 au
q 1.797871485185234 7.8724e-08 au
i 6.557247458891151 3.4794e-06 deg
node 105.9203083129579 2.8323e-05 deg
peri 206.9511841793748 2.9067e-05 deg
M 147.2446183610604 6.8852e-06 deg
tp 2458680.468101613982
(2019-Jul-15.96810161)
2.3634e-05 TDB
period 1271.431754197651
3.48
4.9156e-06
1.346e-08
d
yr
n .2831453586175229 1.0947e-09 deg/d
Q 2.795798026264289 7.2061e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1397  
   data-arc span      8775 days (24.02 yr)  
   first obs. used      1997-02-04  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52442  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:52:18  

Additional Information
 Earth MOID = .784389 au 
 Jupiter MOID = 2.48562 au 
 T_jup = 3.554 
[ 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 15.40   n/a MPCxxxxx  

24991 (1998 ML31)          Discovered 1998-Jun-24 by LINEAR at Socorro
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 ML31 = 1997 CT14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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