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173149 (1995 VH18)
Classification: Main-belt Asteroid          SPK-ID: 2173149
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2097676321728983 4.8082e-08  
a 2.452738911956435 1.3574e-08 au
q 1.938233678057003 1.1453e-07 au
i 1.396133461286774 4.4294e-06 deg
node 245.4289201484049 0.00022225 deg
peri 83.70241805230661 0.00022265 deg
M 203.4098638242322 1.6084e-05 deg
tp 2459610.791483517923
(2022-Jan-31.29148352)
6.6529e-05 TDB
period 1403.057302535584
3.84
1.1647e-05
3.189e-08
d
yr
n .2565825354028047 2.13e-09 deg/d
Q 2.967244145855867 1.6422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      8844 days (24.21 yr)  
   first obs. used      1995-11-15  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58453  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:59:55  

Additional Information
 Earth MOID = .927716 au 
 Jupiter MOID = 2.38972 au 
 T_jup = 3.464 
[ 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 17.1   n/a MPO454188  

173149 (1995 VH18)          Discovered 1995-Nov-15 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 1995 VH18 = 1999 YO24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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