Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.872769E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T06:54:32+0800
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    1 Object 1

    AOE ID 21422
    NORAD ID 21422
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 55302
    NORAD ID 55302
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2151 STARLINK-5321
    Time of Closest Approach 2026-10-21T19:15:48+0000
    Collision Probability (Pc) 1.872769E-5
    Conjunction Distance (km) 0.942 km
    Relative Speed (km/s) 6.519 km/s
    Conjunction Risk Parameters R (Radial): 0.931 | I (In-track): -0.123 | C (Cross-track): 0.063
    Collision Risk Index (CRI) 0.6
    X Position (km) 1036.025 1035.759
    Position Y (km) 2272.651 2272.306
    Position Z (km) -6492.187 -6491.353
    Velocity X (km/s) -5.228 -7.444
    Velocity Y (km/s) -4.84 1.05
    Velocity Z (km/s) -2.521 -0.821

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2151 STARLINK-5321
    Semimajor Axis (a) 6942.786 km 6950.193 km
    Eccentricity (e) 0.001304 0.000246
    Inclination (i) 82.4974° 69.9971°
    RAAN 226.7279° 178.5795°
    Perigee Argument 26.2457° 264.9488°
    Mean Anomaly (M) 333.9425° 95.1390°
    Apogee 573.705 km 573.770 km
    Perigee 555.593 km 570.342 km
    Orbit Epoch 2026-10-20T11:44:50+0000 2026-10-20T02:02:09+0000

    COSMOS 2151 & STARLINK-5321 Collision Probability (Pc) Trend

    COSMOS 2151 & STARLINK-5321 Collision Probability (Pc) TrendNot Available

    COSMOS 2151 & STARLINK-5321 Miss Distance (Miss Distance) Trend

    COSMOS 2151 & STARLINK-5321 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2151Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5321Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2151Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5321Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2151

    No nearby objects data