Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.081956E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T17:47:42+0800
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    1 Object 1

    AOE ID 3900
    NORAD ID 3900
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 63816
    NORAD ID 63816
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 252 DEB STARLINK-34048
    Time of Closest Approach 2026-10-18T06:22:51+0000
    Collision Probability (Pc) 1.081956E-6
    Conjunction Distance (km) 2.551 km
    Relative Speed (km/s) 6.855 km/s
    Conjunction Risk Parameters R (Radial): -2.547 | I (In-track): 0.117 | C (Cross-track): -0.045
    Collision Risk Index (CRI) 0.36
    X Position (km) -720.035 -719.666
    Position Y (km) -4977.275 -4975.484
    Position Z (km) -4674.905 -4673.126
    Velocity X (km/s) 4.262 7.566
    Velocity Y (km/s) -4.704 -0.838
    Velocity Z (km/s) 4.324 -0.272

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 252 DEB STARLINK-34048
    Semimajor Axis (a) 6982.186 km 6861.149 km
    Eccentricity (e) 0.017576 0.000099
    Inclination (i) 62.1970° 43.0026°
    RAAN 296.3445° 3.5358°
    Perigee Argument 300.0384° 288.7664°
    Mean Anomaly (M) 58.3365° 71.3080°
    Apogee 726.768 km 483.694 km
    Perigee 481.330 km 482.330 km
    Orbit Epoch 2026-10-16T17:30:26+0000 2026-10-16T21:49:58+0000

    COSMOS 252 DEB & STARLINK-34048 Collision Probability (Pc) Trend

    COSMOS 252 DEB & STARLINK-34048 Collision Probability (Pc) TrendNot Available

    COSMOS 252 DEB & STARLINK-34048 Miss Distance (Miss Distance) Trend

    COSMOS 252 DEB & STARLINK-34048 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 252 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34048Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 252 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34048Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 252 DEB

    No nearby objects data