Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.937291E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T21:12:49+0800
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    1 Object 1

    AOE ID 33393
    NORAD ID 33393
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 55958
    NORAD ID 55958
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DEMOSAT/FALCON 1 STARLINK-5928
    Time of Closest Approach 2026-09-13T15:44:15+0000
    Collision Probability (Pc) 2.937291E-4
    Conjunction Distance (km) 0.366 km
    Relative Speed (km/s) 8.961 km/s
    Conjunction Risk Parameters R (Radial): 0.306 | I (In-track): -0.162 | C (Cross-track): -0.116
    Collision Risk Index (CRI) 0.84
    X Position (km) 5776.436 5776.286
    Position Y (km) -3714.335 -3714.042
    Position Z (km) 1078.676 1078.518
    Velocity X (km/s) 4.039 2.35
    Velocity Y (km/s) 6.4 1.605
    Velocity Z (km/s) 0.359 -7.02

    Orbital Parameters 国际轨道数据源

    Parameter DEMOSAT/FALCON 1 STARLINK-5928
    Semimajor Axis (a) 6954.338 km 6950.194 km
    Eccentricity (e) 0.000981 0.000289
    Inclination (i) 9.3455° 69.9988°
    RAAN 270.1368° 154.3204°
    Perigee Argument 146.5546° 265.0191°
    Mean Anomaly (M) 213.5274° 95.0638°
    Apogee 583.024 km 574.063 km
    Perigee 569.378 km 570.051 km
    Orbit Epoch 2026-09-11T12:14:47+0000 2026-09-12T03:43:49+0000

    DEMOSAT/FALCON 1 & STARLINK-5928 Collision Probability (Pc) Trend

    DEMOSAT/FALCON 1 & STARLINK-5928 Collision Probability (Pc) TrendNot Available

    DEMOSAT/FALCON 1 & STARLINK-5928 Miss Distance (Miss Distance) Trend

    DEMOSAT/FALCON 1 & STARLINK-5928 Miss Distance (Miss Distance) TrendNot Available

    DEMOSAT/FALCON 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5928Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DEMOSAT/FALCON 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5928Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DEMOSAT/FALCON 1

    No nearby objects data