Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    6.346742E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:04:38+0800
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    1 Object 1

    AOE ID 25795
    NORAD ID 25795
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 49441
    NORAD ID 49441
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 1220 DEB STARLINK-3128
    Time of Closest Approach 2026-09-05T09:55:35+0000
    Collision Probability (Pc) 6.346742E-4
    Conjunction Distance (km) 0.198 km
    Relative Speed (km/s) 7.155 km/s
    Conjunction Risk Parameters R (Radial): -0.086 | I (In-track): 0.156 | C (Cross-track): -0.084
    Collision Risk Index (CRI) 0.91
    X Position (km) -3564.81 -3564.642
    Position Y (km) -2146.672 -2146.768
    Position Z (km) 5419.628 5419.592
    Velocity X (km/s) 6.462 2.984
    Velocity Y (km/s) -2.291 -6.986
    Velocity Z (km/s) 3.325 -0.802

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1220 DEB STARLINK-3128
    Semimajor Axis (a) 6807.287 km 6840.878 km
    Eccentricity (e) 0.004765 0.000157
    Inclination (i) 64.9675° 53.1603°
    RAAN 179.8939° 116.9003°
    Perigee Argument 229.1849° 74.1980°
    Mean Anomaly (M) 130.5155° 285.9195°
    Apogee 461.588 km 463.812 km
    Perigee 396.712 km 461.670 km
    Orbit Epoch 2026-09-03T12:37:54+0000 2026-09-03T15:17:43+0000

    COSMOS 1220 DEB & STARLINK-3128 Collision Probability (Pc) Trend

    COSMOS 1220 DEB & STARLINK-3128 Collision Probability (Pc) TrendNot Available

    COSMOS 1220 DEB & STARLINK-3128 Miss Distance (Miss Distance) Trend

    COSMOS 1220 DEB & STARLINK-3128 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1220 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3128Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1220 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3128Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1220 DEB

    No nearby objects data