Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    5.117493E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T20:48:21+0800
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    1 Object 1

    AOE ID 19573
    NORAD ID 19573
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 52635
    NORAD ID 52635
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1975 STARLINK-3978
    Time of Closest Approach 2026-09-05T03:01:08+0000
    Collision Probability (Pc) 5.117493E-5
    Conjunction Distance (km) 0.806 km
    Relative Speed (km/s) 13.114 km/s
    Conjunction Risk Parameters R (Radial): -0.782 | I (In-track): -0.106 | C (Cross-track): -0.16
    Collision Risk Index (CRI) 0.69
    X Position (km) -2902.821 -2902.37
    Position Y (km) 4371.196 4370.836
    Position Z (km) -4410.108 -4409.545
    Velocity X (km/s) 1.594 -6.659
    Velocity Y (km/s) -4.745 -0.765
    Velocity Z (km/s) -5.751 3.63

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1975 STARLINK-3978
    Semimajor Axis (a) 6853.300 km 6848.899 km
    Eccentricity (e) 0.000942 0.000221
    Inclination (i) 82.5181° 53.1604°
    RAAN 298.2740° 167.1541°
    Perigee Argument 256.1834° 47.6219°
    Mean Anomaly (M) 103.8358° 312.4969°
    Apogee 481.621 km 472.273 km
    Perigee 468.705 km 469.251 km
    Orbit Epoch 2026-09-04T02:31:01+0000 2026-09-04T03:45:42+0000

    COSMOS 1975 & STARLINK-3978 Collision Probability (Pc) Trend

    COSMOS 1975 & STARLINK-3978 Collision Probability (Pc) TrendNot Available

    COSMOS 1975 & STARLINK-3978 Miss Distance (Miss Distance) Trend

    COSMOS 1975 & STARLINK-3978 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1975Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3978Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1975Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3978Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1975

    No nearby objects data