Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.305063E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T03:18:00+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 55914
    NORAD ID 55914
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 252 DEB STARLINK-5856
    Time of Closest Approach 2026-10-31T22:17:53+0000
    Collision Probability (Pc) 2.305063E-6
    Conjunction Distance (km) 2.12 km
    Relative Speed (km/s) 13.188 km/s
    Conjunction Risk Parameters R (Radial): -2.118 | I (In-track): 0.031 | C (Cross-track): 0.058
    Collision Risk Index (CRI) 0.42
    X Position (km) -352.722 -352.894
    Position Y (km) -5376.611 -5378.246
    Position Z (km) -4393.848 -4395.186
    Velocity X (km/s) 4.45 3.613
    Velocity Y (km/s) -4.293 4.063
    Velocity Z (km/s) 4.904 -5.264

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 252 DEB STARLINK-5856
    Semimajor Axis (a) 7610.991 km 6950.186 km
    Eccentricity (e) 0.087194 0.000275
    Inclination (i) 62.3760° 70.0013°
    RAAN 298.2642° 74.7931°
    Perigee Argument 314.2201° 269.7092°
    Mean Anomaly (M) 39.0280° 90.3752°
    Apogee 1896.491 km 573.961 km
    Perigee 569.217 km 570.137 km
    Orbit Epoch 2026-10-29T06:15:12+0000 2026-10-29T14:50:02+0000

    COSMOS 252 DEB & STARLINK-5856 Collision Probability (Pc) Trend

    COSMOS 252 DEB & STARLINK-5856 Collision Probability (Pc) TrendNot Available

    COSMOS 252 DEB & STARLINK-5856 Miss Distance (Miss Distance) Trend

    COSMOS 252 DEB & STARLINK-5856 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 252 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5856Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 252 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5856Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 252 DEB

    No nearby objects data