Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.151706E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T05:06:13+0800
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    1 Object 1

    AOE ID 263
    NORAD ID 263
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 20438
    NORAD ID 20438
    Object Type PAYLOAD
    Country
    GB GB

    Conjunction Constraints

    Parameter THOR ABLESTAR DEB OSCAR 15 (UOSAT 4)
    Time of Closest Approach 2026-09-17T13:44:55+0000
    Collision Probability (Pc) 1.151706E-6
    Conjunction Distance (km) 2.838 km
    Relative Speed (km/s) 10.06 km/s
    Conjunction Risk Parameters R (Radial): 2.171 | I (In-track): 1.346 | C (Cross-track): -1.237
    Collision Risk Index (CRI) 0.36
    X Position (km) 1574.494 1574.17
    Position Y (km) -2733.024 -2733.856
    Position Z (km) 6419.472 6416.778
    Velocity X (km/s) 4.385 -5.379
    Velocity Y (km/s) 5.856 4.164
    Velocity Z (km/s) 1.351 3.085

    Orbital Parameters 国际轨道数据源

    Parameter THOR ABLESTAR DEB OSCAR 15 (UOSAT 4)
    Semimajor Axis (a) 7112.302 km 7164.075 km
    Eccentricity (e) 0.010117 0.001089
    Inclination (i) 66.5271° 98.7745°
    RAAN 243.5716° 316.0543°
    Perigee Argument 211.1788° 87.6915°
    Mean Anomaly (M) 227.7574° 335.5640°
    Apogee 806.120 km 793.742 km
    Perigee 662.210 km 778.134 km
    Orbit Epoch 2026-09-15T10:20:20+0000 2026-09-15T09:44:41+0000

    THOR ABLESTAR DEB & OSCAR 15 (UOSAT 4) Collision Probability (Pc) Trend

    THOR ABLESTAR DEB & OSCAR 15 (UOSAT 4) Collision Probability (Pc) TrendNot Available

    THOR ABLESTAR DEB & OSCAR 15 (UOSAT 4) Miss Distance (Miss Distance) Trend

    THOR ABLESTAR DEB & OSCAR 15 (UOSAT 4) Miss Distance (Miss Distance) TrendNot Available

    THOR ABLESTAR DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OSCAR 15 (UOSAT 4)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    THOR ABLESTAR DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    OSCAR 15 (UOSAT 4)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with THOR ABLESTAR DEB

    No nearby objects data