Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.591398E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T11:57:16+0800
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    1 Object 1

    AOE ID 19362
    NORAD ID 19362
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 48557
    NORAD ID 48557
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 249 DEB STARLINK-2155
    Time of Closest Approach 2026-09-05T01:07:37+0000
    Collision Probability (Pc) 1.591398E-6
    Conjunction Distance (km) 2.193 km
    Relative Speed (km/s) 8.138 km/s
    Conjunction Risk Parameters R (Radial): 2.18 | I (In-track): -0.189 | C (Cross-track): 0.145
    Collision Risk Index (CRI) 0.39
    X Position (km) -2614.613 -2615.27
    Position Y (km) 3481.158 3482.426
    Position Z (km) 5274.558 5276.221
    Velocity X (km/s) -1.957 -6.937
    Velocity Y (km/s) -6.746 -2.742
    Velocity Z (km/s) 3.412 -1.625

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 249 DEB STARLINK-2155
    Semimajor Axis (a) 7176.888 km 6848.842 km
    Eccentricity (e) 0.046638 0.000089
    Inclination (i) 62.7624° 53.1587°
    RAAN 93.6333° 18.0433°
    Perigee Argument 67.9548° 82.5502°
    Mean Anomaly (M) 297.0362° 277.5601°
    Apogee 1133.465 km 471.316 km
    Perigee 464.037 km 470.094 km
    Orbit Epoch 2026-09-03T06:50:53+0000 2026-09-03T18:54:55+0000

    COSMOS 249 DEB & STARLINK-2155 Collision Probability (Pc) Trend

    COSMOS 249 DEB & STARLINK-2155 Collision Probability (Pc) TrendNot Available

    COSMOS 249 DEB & STARLINK-2155 Miss Distance (Miss Distance) Trend

    COSMOS 249 DEB & STARLINK-2155 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 249 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2155Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 249 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2155Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 249 DEB

    No nearby objects data