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24145 (1999 VD154)
Classification: Outer Main-belt Asteroid          SPK-ID: 2024145
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08560629585403122 3.944e-08  
a 3.230138625238037 2.405e-08 au
q 2.953618422436376 1.2916e-07 au
i 11.0699004893984 5.3199e-06 deg
node 178.2612505440868 1.9523e-05 deg
peri 325.4906753629155 3.4557e-05 deg
M 192.4976090758893 2.7901e-05 deg
tp 2460383.117190316753
(2024-Mar-13.61719032)
0.00016308 TDB
period 2120.460409875292
5.81
2.3682e-05
6.484e-08
d
yr
n .1697744500785904 1.8961e-09 deg/d
Q 3.506658828039698 2.6109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1041  
   data-arc span      9218 days (25.24 yr)  
   first obs. used      1996-04-11  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:06:55  

Additional Information
 Earth MOID = 1.97295 au 
 Jupiter MOID = 1.50991 au 
 T_jup = 3.152 
[ 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 14.09   n/a E2021B10  
diameter diameter 9.295 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24145 (1999 VD154)          Discovered 1999-Nov-13 by CSS at Catalina
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VD154 = 1998 SC39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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