Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.29799E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T21:02:04+0800
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    1 Object 1

    Name SJ-9B
    AOE ID 38861
    NORAD ID 38861
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 68983
    NORAD ID 68983
    Object Type PAYLOAD
    Country
    IT IT

    Conjunction Constraints

    Parameter SJ-9B IRIDE-MS2-HEO-11
    Time of Closest Approach 2026-10-22T07:03:20+0000
    Collision Probability (Pc) 1.29799E-6
    Conjunction Distance (km) 2.615 km
    Relative Speed (km/s) 10.075 km/s
    Conjunction Risk Parameters R (Radial): -2.561 | I (In-track): 0.397 | C (Cross-track): 0.344
    Collision Risk Index (CRI) 0.37
    X Position (km) 988.691 988.017
    Position Y (km) -769.779 -769.919
    Position Z (km) -6871.922 -6869.4
    Velocity X (km/s) 0.52 -7.35
    Velocity Y (km/s) -7.467 -1.44
    Velocity Z (km/s) 0.902 -0.896

    Orbital Parameters 国际轨道数据源

    Parameter SJ-9B IRIDE-MS2-HEO-11
    Semimajor Axis (a) 6970.762 km 6972.134 km
    Eccentricity (e) 0.001578 0.000459
    Inclination (i) 97.6140° 97.7216°
    RAAN 273.6248° 189.0559°
    Perigee Argument 150.9955° 92.0674°
    Mean Anomaly (M) 209.2144° 268.1070°
    Apogee 603.625 km 597.196 km
    Perigee 581.625 km 590.798 km
    Orbit Epoch 2026-10-20T23:13:50+0000 2026-10-21T04:06:50+0000

    SJ-9B & IRIDE-MS2-HEO-11 Collision Probability (Pc) Trend

    SJ-9B & IRIDE-MS2-HEO-11 Collision Probability (Pc) TrendNot Available

    SJ-9B & IRIDE-MS2-HEO-11 Miss Distance (Miss Distance) Trend

    SJ-9B & IRIDE-MS2-HEO-11 Miss Distance (Miss Distance) TrendNot Available

    SJ-9BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDE-MS2-HEO-11Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SJ-9BCollision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDE-MS2-HEO-11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SJ-9B

    No nearby objects data