Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.192842E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T23:34:43+0800
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    1 Object 1

    AOE ID 33986
    NORAD ID 33986
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 42920
    NORAD ID 42920
    Object Type PAYLOAD
    Country
    TW TW

    Conjunction Constraints

    Parameter COSMOS 2251 DEB FORMOSAT-5
    Time of Closest Approach 2026-10-20T17:22:49+0000
    Collision Probability (Pc) 6.192842E-6
    Conjunction Distance (km) 1.405 km
    Relative Speed (km/s) 9.584 km/s
    Conjunction Risk Parameters R (Radial): -0.013 | I (In-track): 1.076 | C (Cross-track): -0.903
    Collision Risk Index (CRI) 0.51
    X Position (km) -2081.981 -2082.914
    Position Y (km) -1193.371 -1194.307
    Position Z (km) 6669.355 6668.882
    Velocity X (km/s) -0.538 -7.128
    Velocity Y (km/s) -7.347 -0.438
    Velocity Z (km/s) -1.468 -2.293

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB FORMOSAT-5
    Semimajor Axis (a) 7122.399 km 7100.792 km
    Eccentricity (e) 0.004092 0.001253
    Inclination (i) 74.0332° 98.2150°
    RAAN 84.0690° 5.6813°
    Perigee Argument 82.8572° 62.3157°
    Mean Anomaly (M) 72.5408° 297.9308°
    Apogee 773.407 km 731.552 km
    Perigee 715.117 km 713.758 km
    Orbit Epoch 2026-10-19T21:40:50+0000 2026-10-20T05:17:59+0000

    COSMOS 2251 DEB & FORMOSAT-5 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & FORMOSAT-5 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & FORMOSAT-5 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & FORMOSAT-5 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FORMOSAT-5Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    FORMOSAT-5Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data