Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.289803E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T08:55:07+0800
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    1 Object 1

    AOE ID 18675
    NORAD ID 18675
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    Name ST5-C
    AOE ID 28982
    NORAD ID 28982
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OPS 4682 DEB ST5-C
    Time of Closest Approach 2026-09-03T04:12:02+0000
    Collision Probability (Pc) 1.289803E-6
    Conjunction Distance (km) 2.985 km
    Relative Speed (km/s) 13.709 km/s
    Conjunction Risk Parameters R (Radial): -2.55 | I (In-track): 0.366 | C (Cross-track): 1.506
    Collision Risk Index (CRI) 0.37
    X Position (km) -4367.291 -4369.163
    Position Y (km) 318.296 316.925
    Position Z (km) -6294.912 -6296.789
    Velocity X (km/s) 5.891 -4.716
    Velocity Y (km/s) -0.375 3.59
    Velocity Z (km/s) -4.112 3.615

    Orbital Parameters 国际轨道数据源

    Parameter OPS 4682 DEB ST5-C
    Semimajor Axis (a) 7640.330 km 7158.098 km
    Eccentricity (e) 0.002765 0.073216
    Inclination (i) 90.2452° 105.4530°
    RAAN 356.1525° 151.3200°
    Perigee Argument 69.8059° 109.0189°
    Mean Anomaly (M) 84.5646° 259.1702°
    Apogee 1283.315 km 1304.049 km
    Perigee 1241.071 km 255.873 km
    Orbit Epoch 2026-09-01T18:32:12+0000 2026-09-02T13:25:36+0000

    OPS 4682 DEB & ST5-C Collision Probability (Pc) Trend

    OPS 4682 DEB & ST5-C Collision Probability (Pc) TrendNot Available

    OPS 4682 DEB & ST5-C Miss Distance (Miss Distance) Trend

    OPS 4682 DEB & ST5-C Miss Distance (Miss Distance) TrendNot Available

    OPS 4682 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ST5-CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 4682 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ST5-CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 4682 DEB

    No nearby objects data