Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.18565E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T02:03:53+0800
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    1 Object 1

    AOE ID 15519
    NORAD ID 15519
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 55922
    NORAD ID 55922
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 252 DEB STARLINK-5863
    Time of Closest Approach 2026-10-31T16:47:28+0000
    Collision Probability (Pc) 2.18565E-6
    Conjunction Distance (km) 2.169 km
    Relative Speed (km/s) 13.18 km/s
    Conjunction Risk Parameters R (Radial): -2.061 | I (In-track): -0.357 | C (Cross-track): -0.569
    Collision Risk Index (CRI) 0.42
    X Position (km) -308.447 -307.868
    Position Y (km) -5370.313 -5371.9
    Position Z (km) -4404.884 -4406.244
    Velocity X (km/s) 4.493 3.586
    Velocity Y (km/s) -4.262 4.101
    Velocity Z (km/s) 4.892 -5.253

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 252 DEB STARLINK-5863
    Semimajor Axis (a) 7610.991 km 6950.220 km
    Eccentricity (e) 0.087194 0.000286
    Inclination (i) 62.3760° 70.0007°
    RAAN 298.2642° 74.5187°
    Perigee Argument 314.2201° 269.0548°
    Mean Anomaly (M) 39.0280° 91.0283°
    Apogee 1896.491 km 574.073 km
    Perigee 569.217 km 570.093 km
    Orbit Epoch 2026-10-29T06:15:12+0000 2026-10-29T15:44:05+0000

    COSMOS 252 DEB & STARLINK-5863 Collision Probability (Pc) Trend

    COSMOS 252 DEB & STARLINK-5863 Collision Probability (Pc) TrendNot Available

    COSMOS 252 DEB & STARLINK-5863 Miss Distance (Miss Distance) Trend

    COSMOS 252 DEB & STARLINK-5863 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 252 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5863Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 252 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5863Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 252 DEB

    No nearby objects data