Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.556518E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T18:03:04+0800
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    1 Object 1

    AOE ID 10095
    NORAD ID 10095
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 56791
    NORAD ID 56791
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 921 STARLINK-5977
    Time of Closest Approach 2026-09-13T14:02:58+0000
    Collision Probability (Pc) 4.556518E-6
    Conjunction Distance (km) 1.68 km
    Relative Speed (km/s) 14.224 km/s
    Conjunction Risk Parameters R (Radial): -0.565 | I (In-track): -0.545 | C (Cross-track): 1.485
    Collision Risk Index (CRI) 0.48
    X Position (km) 4686.868 4687.493
    Position Y (km) 3625.139 3623.626
    Position Z (km) 3631.545 3631.167
    Velocity X (km/s) -4.355 1.015
    Velocity Y (km/s) -0.619 4.625
    Velocity Z (km/s) 6.17 -5.913

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 921 STARLINK-5977
    Semimajor Axis (a) 6954.688 km 6950.194 km
    Eccentricity (e) 0.003482 0.000342
    Inclination (i) 75.8324° 69.9984°
    RAAN 31.9513° 234.5432°
    Perigee Argument 119.9920° 267.7148°
    Mean Anomaly (M) 240.4739° 92.3619°
    Apogee 600.768 km 574.437 km
    Perigee 552.334 km 569.677 km
    Orbit Epoch 2026-09-11T20:11:51+0000 2026-09-12T00:32:53+0000

    COSMOS 921 & STARLINK-5977 Collision Probability (Pc) Trend

    COSMOS 921 & STARLINK-5977 Collision Probability (Pc) TrendNot Available

    COSMOS 921 & STARLINK-5977 Miss Distance (Miss Distance) Trend

    COSMOS 921 & STARLINK-5977 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 921Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5977Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 921Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5977Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 921

    No nearby objects data