Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.297595E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T21:39:41+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 63741
    NORAD ID 63741
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 252 DEB KUIPER-00028
    Time of Closest Approach 2026-10-28T15:08:20+0000
    Collision Probability (Pc) 1.297595E-6
    Conjunction Distance (km) 2.664 km
    Relative Speed (km/s) 10.585 km/s
    Conjunction Risk Parameters R (Radial): 0.974 | I (In-track): 1.759 | C (Cross-track): -1.747
    Collision Risk Index (CRI) 0.37
    X Position (km) 1127.837 1130.35
    Position Y (km) -5258.652 -5258.658
    Position Z (km) 4481.52 4482.401
    Velocity X (km/s) 3.688 6.534
    Velocity Y (km/s) 4.614 -1.543
    Velocity Z (km/s) 4.677 -3.449

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 252 DEB KUIPER-00028
    Semimajor Axis (a) 6981.262 km 7007.690 km
    Eccentricity (e) 0.017574 0.000103
    Inclination (i) 62.1969° 51.8973°
    RAAN 260.6020° 150.2436°
    Perigee Argument 303.8444° 104.0903°
    Mean Anomaly (M) 54.6021° 256.0174°
    Apogee 725.816 km 630.274 km
    Perigee 480.434 km 628.832 km
    Orbit Epoch 2026-10-27T06:41:04+0000 2026-10-26T23:40:39+0000

    COSMOS 252 DEB & KUIPER-00028 Collision Probability (Pc) Trend

    COSMOS 252 DEB & KUIPER-00028 Collision Probability (Pc) TrendNot Available

    COSMOS 252 DEB & KUIPER-00028 Miss Distance (Miss Distance) Trend

    COSMOS 252 DEB & KUIPER-00028 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 252 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00028Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 252 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00028Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 252 DEB

    No nearby objects data