Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.044073E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T13:13:29+0800
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    1 Object 1

    AOE ID 35602
    NORAD ID 35602
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 51789
    NORAD ID 51789
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-3639
    Time of Closest Approach 2026-10-24T00:04:52+0000
    Collision Probability (Pc) 1.044073E-4
    Conjunction Distance (km) 0.64 km
    Relative Speed (km/s) 13.565 km/s
    Conjunction Risk Parameters R (Radial): 0.175 | I (In-track): -0.271 | C (Cross-track): -0.551
    Collision Risk Index (CRI) 0.75
    X Position (km) -5593.327 -5592.878
    Position Y (km) -3647.639 -3648.066
    Position Z (km) -1498.395 -1498.236
    Velocity X (km/s) -0.181 3.661
    Velocity Y (km/s) -2.685 -3.21
    Velocity Z (km/s) 7.119 -5.879

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-3639
    Semimajor Axis (a) 6800.399 km 6840.877 km
    Eccentricity (e) 0.006781 0.000135
    Inclination (i) 73.9903° 53.1627°
    RAAN 219.4792° 30.2979°
    Perigee Argument 201.4433° 86.9521°
    Mean Anomaly (M) 189.6723° 273.1637°
    Apogee 468.377 km 463.667 km
    Perigee 376.147 km 461.813 km
    Orbit Epoch 2026-10-22T18:48:20+0000 2026-10-22T12:50:24+0000

    COSMOS 2251 DEB & STARLINK-3639 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-3639 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-3639 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-3639 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3639Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3639Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data