Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.820821E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:01:00+0800
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    1 Object 1

    AOE ID 28894
    NORAD ID 28894
    Object Type PAYLOAD
    Country
    ESA ESA
    ← VS →

    2 Object 2

    AOE ID 37730
    NORAD ID 37730
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter SSETI-EXPRESS SJ-11-03
    Time of Closest Approach 2026-10-27T20:25:13+0000
    Collision Probability (Pc) 2.820821E-6
    Conjunction Distance (km) 2.013 km
    Relative Speed (km/s) 14.866 km/s
    Conjunction Risk Parameters R (Radial): -0.022 | I (In-track): -0.28 | C (Cross-track): 1.993
    Collision Risk Index (CRI) 0.44
    X Position (km) 1060.131 1062.123
    Position Y (km) 6925.323 6925.04
    Position Z (km) 907.667 907.67
    Velocity X (km/s) 0.938 1.181
    Velocity Y (km/s) -1.112 0.793
    Velocity Z (km/s) 7.367 -7.375

    Orbital Parameters 国际轨道数据源

    Parameter SSETI-EXPRESS SJ-11-03
    Semimajor Axis (a) 7053.654 km 7056.987 km
    Eccentricity (e) 0.001501 0.000801
    Inclination (i) 98.3275° 97.9531°
    RAAN 81.4835° 259.7022°
    Perigee Argument 222.9459° 346.1532°
    Mean Anomaly (M) 137.0573° 119.8055°
    Apogee 686.107 km 684.505 km
    Perigee 664.927 km 673.195 km
    Orbit Epoch 2026-10-26T23:05:02+0000 2026-10-27T06:59:57+0000

    SSETI-EXPRESS & SJ-11-03 Collision Probability (Pc) Trend

    SSETI-EXPRESS & SJ-11-03 Collision Probability (Pc) TrendNot Available

    SSETI-EXPRESS & SJ-11-03 Miss Distance (Miss Distance) Trend

    SSETI-EXPRESS & SJ-11-03 Miss Distance (Miss Distance) TrendNot Available

    SSETI-EXPRESSMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SJ-11-03Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SSETI-EXPRESSCollision Probability Trend

    Object 1 Probability TrendNot Available

    SJ-11-03Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SSETI-EXPRESS

    No nearby objects data