Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.082058E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T01:45:41+0800
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    1 Object 1

    AOE ID 8520
    NORAD ID 8520
    Object Type ROCKET BODY
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 54235
    NORAD ID 54235
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter SL-3 R/B YUNHAI 3
    Time of Closest Approach 2026-10-25T08:16:24+0000
    Collision Probability (Pc) 2.082058E-6
    Conjunction Distance (km) 2.284 km
    Relative Speed (km/s) 14.642 km/s
    Conjunction Risk Parameters R (Radial): -0.856 | I (In-track): 0.359 | C (Cross-track): -2.085
    Collision Risk Index (CRI) 0.41
    X Position (km) -1008.519 -1010.316
    Position Y (km) -480.746 -481.526
    Position Z (km) 7130.821 7129.648
    Velocity X (km/s) 1.793 -4.124
    Velocity Y (km/s) -7.214 6.179
    Velocity Z (km/s) -0.213 -0.167

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 R/B YUNHAI 3
    Semimajor Axis (a) 7239.360 km 7225.978 km
    Eccentricity (e) 0.003196 0.000216
    Inclination (i) 81.2854° 98.8208°
    RAAN 104.8248° 302.9280°
    Perigee Argument 42.4369° 97.8099°
    Mean Anomaly (M) 317.9264° 262.3319°
    Apogee 884.358 km 849.404 km
    Perigee 838.088 km 846.278 km
    Orbit Epoch 2026-10-24T04:34:57+0000 2026-10-24T08:03:26+0000

    SL-3 R/B & YUNHAI 3 Collision Probability (Pc) Trend

    SL-3 R/B & YUNHAI 3 Collision Probability (Pc) TrendNot Available

    SL-3 R/B & YUNHAI 3 Miss Distance (Miss Distance) Trend

    SL-3 R/B & YUNHAI 3 Miss Distance (Miss Distance) TrendNot Available

    SL-3 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 R/B

    No nearby objects data