Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.415067E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T06:41:32+0800
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    1 Object 1

    AOE ID 34752
    NORAD ID 34752
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 65073
    NORAD ID 65073
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-34781
    Time of Closest Approach 2026-09-13T02:18:59+0000
    Collision Probability (Pc) 3.415067E-6
    Conjunction Distance (km) 1.879 km
    Relative Speed (km/s) 15.065 km/s
    Conjunction Risk Parameters R (Radial): 1.618 | I (In-track): 0.126 | C (Cross-track): 0.947
    Collision Risk Index (CRI) 0.46
    X Position (km) 3307.618 3308.822
    Position Y (km) -2917.723 -2917.574
    Position Z (km) 5330.349 5331.784
    Velocity X (km/s) 6.112 -5.301
    Velocity Y (km/s) -1.017 2.662
    Velocity Z (km/s) -4.385 4.733

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-34781
    Semimajor Axis (a) 6924.434 km 6926.599 km
    Eccentricity (e) 0.004664 0.000240
    Inclination (i) 74.0111° 97.2839°
    RAAN 162.1832° 324.3397°
    Perigee Argument 219.1342° 157.8467°
    Mean Anomaly (M) 140.6473° 202.2865°
    Apogee 578.593 km 550.127 km
    Perigee 514.001 km 546.797 km
    Orbit Epoch 2026-09-11T11:30:26+0000 2026-09-09T18:22:37+0000

    COSMOS 2251 DEB & STARLINK-34781 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-34781 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-34781 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-34781 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34781Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34781Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data