Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.832261E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T23:48:31+0800
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    1 Object 1

    AOE ID 461
    NORAD ID 461
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 23605
    NORAD ID 23605
    Object Type PAYLOAD
    Country
    FR FR

    Conjunction Constraints

    Parameter THOR ABLESTAR DEB HELIOS 1A
    Time of Closest Approach 2026-09-05T19:42:54+0000
    Collision Probability (Pc) 5.832261E-6
    Conjunction Distance (km) 1.429 km
    Relative Speed (km/s) 9.531 km/s
    Conjunction Risk Parameters R (Radial): -1.201 | I (In-track): 0.603 | C (Cross-track): 0.485
    Collision Risk Index (CRI) 0.5
    X Position (km) 2913.924 2913.73
    Position Y (km) -1009.669 -1009.884
    Position Z (km) 6183.47 6184.869
    Velocity X (km/s) 5.42 5.297
    Velocity Y (km/s) 5.015 -4.402
    Velocity Z (km/s) -1.75 -3.208

    Orbital Parameters 国际轨道数据源

    Parameter THOR ABLESTAR DEB HELIOS 1A
    Semimajor Axis (a) 6908.250 km 6926.288 km
    Eccentricity (e) 0.002535 0.001310
    Inclination (i) 67.4901° 98.1838°
    RAAN 221.3931° 143.5213°
    Perigee Argument 225.8544° 120.0280°
    Mean Anomaly (M) 134.0518° 240.2247°
    Apogee 547.627 km 557.226 km
    Perigee 512.599 km 539.076 km
    Orbit Epoch 2026-09-04T08:19:37+0000 2026-09-05T06:26:59+0000

    THOR ABLESTAR DEB & HELIOS 1A Collision Probability (Pc) Trend

    THOR ABLESTAR DEB & HELIOS 1A Collision Probability (Pc) TrendNot Available

    THOR ABLESTAR DEB & HELIOS 1A Miss Distance (Miss Distance) Trend

    THOR ABLESTAR DEB & HELIOS 1A Miss Distance (Miss Distance) TrendNot Available

    THOR ABLESTAR DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HELIOS 1AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THOR ABLESTAR DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HELIOS 1ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THOR ABLESTAR DEB

    No nearby objects data