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66172 (1998 VX45)
Classification: Outer Main-belt Asteroid          SPK-ID: 2066172
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330284724371711 5.6188e-08  
a 3.224260575512075 2.4177e-08 au
q 2.79534211641231 1.837e-07 au
i 9.792355984513652 6.3297e-06 deg
node 188.5890807077064 2.0931e-05 deg
peri 170.6629146264537 2.5913e-05 deg
M 335.717289205541 1.4617e-05 deg
tp 2459343.139002491375
(2021-May-08.63900249)
8.6362e-05 TDB
period 2114.674977252236
5.79
2.3785e-05
6.512e-08
d
yr
n .1702389274345017 1.9148e-09 deg/d
Q 3.653179034611841 2.7393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      10305 days (28.21 yr)  
   first obs. used      1992-10-03  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5353  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:19:59  

Additional Information
 Earth MOID = 1.79111 au 
 Jupiter MOID = 1.81622 au 
 T_jup = 3.151 
[ 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  
rotation period rot_per 1.35 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

66172 (1998 VX45)          Discovered 1998-Nov-14 by LONEOS at Anderson Mesa
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 VX45 = 2001 FR110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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