Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.109472E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T08:13:51+0800
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    1 Object 1

    AOE ID 3549
    NORAD ID 3549
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 58455
    NORAD ID 58455
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 252 DEB STARLINK-30935
    Time of Closest Approach 2026-09-03T07:55:23+0000
    Collision Probability (Pc) 1.109472E-4
    Conjunction Distance (km) 0.61 km
    Relative Speed (km/s) 12.13 km/s
    Conjunction Risk Parameters R (Radial): -0.587 | I (In-track): 0.099 | C (Cross-track): -0.128
    Collision Risk Index (CRI) 0.76
    X Position (km) 4127.051 4126.827
    Position Y (km) -5397.644 -5397.088
    Position Z (km) -962.172 -962.063
    Velocity X (km/s) 3.417 4.036
    Velocity Y (km/s) 1.498 3.989
    Velocity Z (km/s) 6.762 -5.092

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 252 DEB STARLINK-30935
    Semimajor Axis (a) 7046.232 km 6861.202 km
    Eccentricity (e) 0.027763 0.000161
    Inclination (i) 62.2996° 43.0057°
    RAAN 315.0058° 127.7266°
    Perigee Argument 8.7336° 265.2615°
    Mean Anomaly (M) 351.8426° 94.8054°
    Apogee 863.724 km 484.169 km
    Perigee 472.466 km 481.961 km
    Orbit Epoch 2026-09-02T07:26:14+0000 2026-09-01T17:25:29+0000

    COSMOS 252 DEB & STARLINK-30935 Collision Probability (Pc) Trend

    COSMOS 252 DEB & STARLINK-30935 Collision Probability (Pc) TrendNot Available

    COSMOS 252 DEB & STARLINK-30935 Miss Distance (Miss Distance) Trend

    COSMOS 252 DEB & STARLINK-30935 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 252 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30935Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 252 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30935Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 252 DEB

    No nearby objects data