
ORIGIN = 'H85 Silver Spring' TELESCOP= '0.45-m f/7.25 Ritchey-Chretien + 3072x2054 CCD' OBSERVER= 'K. Levin' MEASURER= 'J. C. Pelle' |

| Former Status |
|---|
| 136 observations from 1953 Jan. 1 to 2005 Dec. 10 |
| Last observed on 2005 Dec. 10 |

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| 2005-12-20T04:30:11.20 | 2005-12-20T04:52:40.60 | 2005-12-20T05:16:09.73 |
|---|

AirMass

Relative Extinction

Sky Background

19665 C2005 12 20.18763 03 24 22.56 +32 18 17.1 17.6 V H85 19665 C2005 12 20.20325 03 24 22.05 +32 18 12.2 H85 19665 C2005 12 20.21956 03 24 21.51 +32 18 07.0 H85 |

![]() Fig. 3 - Fit to Ephemerid with Offset removed One vertical Tick = 1 arcsec Sigma Fit (arcsec): RA=0.02 DC=0.03 Offset O-C (arcsec): RA=+0.03 DC=-0.22 Along Orbit and Transversal: LO=+0.10 TR=+0.17 Means Motion ("/h): RA=-17.37 DC=-13.18 |

| Parameter | Unit | Value |
|---|---|---|
Ascending Node (°) 333.62765 Inclination (°) 9.02012 Semi-major Axis (AU) 2.9923249 Eccentricity 0.0872020 Perihelia Argument (°) 64.80375 Period (yr) 5.18 Absolute Magnitude 12.7 Diameter Range (km) 7.5-17.0 | ||

| Formerly Unidentified Observations of (19665) | ||
|---|---|---|
20051218 A24 +1.5 +0.6 20051218 A24 +0.9 -0.1 20051218 A24 +0.6 -0.2 20051220 H85 +0.1 +0.0 20051220 H85 +0.2 +0.0 20051220 H85 +0.1 +0.0 20051224 704 +0.0 +0.1 20051224 704 +0.1 +0.1 20051224 704 +0.0 -0.1 20051224 704 +0.0 -0.1 20051224 704 -0.2 -0.1 20051231 703 (+2.2 +1.7) 20051231 703 -0.3 -0.1 20051231 703 -0.1 +0.0 20051231 703 -0.7 -0.2 20060107 704 +0.2 +0.8 20060107 704 +1.2 +0.8 |
20060107 704 +1.5 +0.4 20060107 704 +1.2 -0.6 20060107 704 +0.1 -0.8 20060117 644 -0.1 +0.2 20060117 644 +0.0 +0.3 20060117 644 +0.2 +0.5 20060121 703 +0.2 +0.2 20060121 703 +0.2 +0.1 20060121 703 -0.1 +0.1 20060121 703 -0.2 +0.2 20060122 699 +0.4 +1.3 20060122 699 +0.3 +0.9 20060122 699 -0.1 +0.8 20060122 699 -0.8 +0.9 20060128 699 +0.0 -0.2 20060128 699 +0.6 +0.1 20060128 703 -0.7 -1.2 |
20060128 703 -0.7 -0.5 20060128 699 -1.5 -1.5 20060128 703 (-2.1 -2.5) 20060128 703 -0.3 -0.3 20060128 699 -0.4 -0.4 20060202 703 -0.5 -0.1 20060202 703 +0.4 -0.4 20060202 703 -0.3 -0.1 20060202 703 -0.4 -0.1 20060220 704 -0.2 +0.6 20060220 704 +0.5 -0.1 20060220 704 +0.1 -0.3 20060220 704 +0.2 +1.4 20060220 704 +0.1 +1.3 20060318 704 +0.1 -0.2 20060318 704 -0.1 +0.9 20060318 704 -0.3 +1.1 |
| Further observations? None needed at this time. | ||
Updated on 2006/03/30 08:45