):| Time of closest approach: | 27-JUN-1997 12:55:55.4 UTC | ||
| Distance at closest approach: | 1212.2 km | ||
| Flyby speed: | 9.931556 km/s | ||
| Impact plane parameters: | B.R: -1221.5 km | B.T: -100.0 km | |
| Target Uncertainties (1-): |
B.R: 5.7 km | B.T: 6.8 km | S: 36.0 km |
|
Mathilde Science Data |
Sources: |
1) JPL Reference solution 49 on 7/15/97 2) Mission Design Team (McAdams) 9/97 3) Mission Design Team (McAdams) 11/97 |
|
| GM | 0.00689 ± 0.00015 km3/s2 | ||
| Size | 66 x 48 x 46 km | Mass | 1.033 ± 0.022 x 1020g |
| Volume | 78,000 (67,000..90,000) km3 | Bulk Density | 1.34 ± 0.2 g/cm3 |
| Radius (average) | 26.4 ± 1.3 km | Visual geometric albedo | 0.045 ± 0.003 |
| B-V | 0.67 ± 0.02 | V-R | 0.35 ± 0.02 |
| Epoch of elements | 1997 Aug 20.00 | Rotation Period | 17.406 ± 0.01 days |
| Orbital Period (e) | 1571.67486 days | Orbital Inclination (i) | 6.7090733° |
| Eccentricity (e) | 0.266137576 | Perihelion (q) | 1.941440888 AU |
| Perihelion date | 1997 April 20.2235243 | Argument of perihelion(w) | 156.2032373° |
| Semi-major axis (a) | 2.645821533 AU | Longitude of ascending node | 179.8686997° |
| Mean anomaly (M) | 9.5629824° | Absolute magnitude (H) | 10.2 |
| Magnitude slope (G) | 0.15 | Spectral Type | C |
Mathilde Encounter Science Goals
Imaging:
· High Resolution Morphology
· Global Color/Albedo Patterns
· Accurate Size/Shape
· Volume Estimate
· Satellite Search
Radio Science:
· Mass Determination
· Density / Volume
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