Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.418233E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:43:52+0800
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    1 Object 1

    AOE ID 39421
    NORAD ID 39421
    Object Type PAYLOAD
    Country
    IT IT
    ← VS →

    2 Object 2

    AOE ID 40974
    NORAD ID 40974
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter UNISAT 5 SINOD-D 1
    Time of Closest Approach 2026-10-21T02:46:15+0000
    Collision Probability (Pc) 1.418233E-6
    Conjunction Distance (km) 2.811 km
    Relative Speed (km/s) 14.136 km/s
    Conjunction Risk Parameters R (Radial): 2.535 | I (In-track): 0.438 | C (Cross-track): 1.135
    Collision Risk Index (CRI) 0.38
    X Position (km) -1137.122 -1137.826
    Position Y (km) -3256.784 -3255.877
    Position Z (km) 5980.794 5978.229
    Velocity X (km/s) 0.158 4.976
    Velocity Y (km/s) 6.663 -5.398
    Velocity Z (km/s) 3.665 -1.915

    Orbital Parameters 国际轨道数据源

    Parameter UNISAT 5 SINOD-D 1
    Semimajor Axis (a) 6927.366 km 6887.173 km
    Eccentricity (e) 0.002994 0.009015
    Inclination (i) 97.7241° 64.7554°
    RAAN 263.7535° 129.3046°
    Perigee Argument 29.1460° 356.3097°
    Mean Anomaly (M) 331.1430° 3.7351°
    Apogee 569.973 km 571.126 km
    Perigee 528.485 km 446.946 km
    Orbit Epoch 2026-10-20T12:08:56+0000 2026-10-19T23:26:41+0000

    UNISAT 5 & SINOD-D 1 Collision Probability (Pc) Trend

    UNISAT 5 & SINOD-D 1 Collision Probability (Pc) TrendNot Available

    UNISAT 5 & SINOD-D 1 Miss Distance (Miss Distance) Trend

    UNISAT 5 & SINOD-D 1 Miss Distance (Miss Distance) TrendNot Available

    UNISAT 5Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SINOD-D 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    UNISAT 5Collision Probability Trend

    Object 1 Probability TrendNot Available

    SINOD-D 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with UNISAT 5

    No nearby objects data