Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.179094E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T05:19:51+0800
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    1 Object 1

    AOE ID 37730
    NORAD ID 37730
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    Name HEAD-3E
    AOE ID 57630
    NORAD ID 57630
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter SJ-11-03 HEAD-3E
    Time of Closest Approach 2026-10-25T04:17:43+0000
    Collision Probability (Pc) 5.179094E-6
    Conjunction Distance (km) 1.559 km
    Relative Speed (km/s) 12.152 km/s
    Conjunction Risk Parameters R (Radial): -0.937 | I (In-track): -0.732 | C (Cross-track): -1.007
    Collision Risk Index (CRI) 0.49
    X Position (km) 387.66 388.402
    Position Y (km) 5012.274 5010.904
    Position Z (km) 4953.703 4953.697
    Velocity X (km/s) 1.854 -7.489
    Velocity Y (km/s) 5.054 -0.043
    Velocity Z (km/s) -5.241 0.624

    Orbital Parameters 国际轨道数据源

    Parameter SJ-11-03 HEAD-3E
    Semimajor Axis (a) 7056.994 km 7058.316 km
    Eccentricity (e) 0.000826 0.000936
    Inclination (i) 97.9521° 45.0031°
    RAAN 256.7977° 9.5718°
    Perigee Argument 355.7740° 222.2547°
    Mean Anomaly (M) 112.5716° 137.7591°
    Apogee 684.689 km 686.783 km
    Perigee 673.025 km 673.575 km
    Orbit Epoch 2026-10-24T06:51:27+0000 2026-10-24T06:37:36+0000

    SJ-11-03 & HEAD-3E Collision Probability (Pc) Trend

    SJ-11-03 & HEAD-3E Collision Probability (Pc) TrendNot Available

    SJ-11-03 & HEAD-3E Miss Distance (Miss Distance) Trend

    SJ-11-03 & HEAD-3E Miss Distance (Miss Distance) TrendNot Available

    SJ-11-03Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HEAD-3EMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SJ-11-03Collision Probability Trend

    Object 1 Probability TrendNot Available

    HEAD-3ECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SJ-11-03

    No nearby objects data