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18056 (1999 TV15)
Classification: Main-belt Asteroid          SPK-ID: 2018056
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0842481620891715 1.8963e-08  
a 2.269637251822143 6.5308e-09 au
q 2.078424484747009 4.2492e-08 au
i 4.302894453571127 7.1461e-07 deg
node 170.6872865798239 1.4188e-05 deg
peri 66.46584647699075 2.2921e-05 deg
M 224.0204989073091 1.1101e-05 deg
tp 2459672.241459092768
(2022-Apr-02.74145909)
3.9028e-05 TDB
period 1248.915637347672
3.42
5.3905e-06
1.476e-08
d
yr
n .2882500540745359 1.2441e-09 deg/d
Q 2.460850018897276 7.081e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2208  
   data-arc span      15559 days (42.60 yr)  
   first obs. used      1978-08-08  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46675  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:21:14  

Additional Information
 Earth MOID = 1.0699 au 
 Jupiter MOID = 2.52788 au 
 T_jup = 3.605 
[ 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 14.05   n/a E2021B10  
diameter diameter 4.618 km 0.973 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 54.538 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.228   0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

18056 (1999 TV15)          Discovered 1999-Oct-11 by Sposetti, S. at Gnosca
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 TV15 = 1978 PL2 = 1991 JF6 = 1998 KV44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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