Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.235125E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T20:36:45+0800
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    1 Object 1

    Name SJ-16
    AOE ID 39358
    NORAD ID 39358
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    Name COSMIC
    AOE ID 66658
    NORAD ID 66658
    Object Type PAYLOAD
    Country
    KR KR

    Conjunction Constraints

    Parameter SJ-16 COSMIC
    Time of Closest Approach 2026-10-30T12:56:28+0000
    Collision Probability (Pc) 2.235125E-6
    Conjunction Distance (km) 2.175 km
    Relative Speed (km/s) 13.789 km/s
    Conjunction Risk Parameters R (Radial): -1.234 | I (In-track): -0.728 | C (Cross-track): 1.635
    Collision Risk Index (CRI) 0.42
    X Position (km) 1711.506 1712.895
    Position Y (km) 674.101 673.55
    Position Z (km) -6715.364 -6713.785
    Velocity X (km/s) -1.446 -4.423
    Velocity Y (km/s) 7.413 -5.887
    Velocity Z (km/s) 0.373 -1.715

    Orbital Parameters 国际轨道数据源

    Parameter SJ-16 COSMIC
    Semimajor Axis (a) 6967.197 km 6960.438 km
    Eccentricity (e) 0.001678 0.001064
    Inclination (i) 74.9703° 97.7534°
    RAAN 101.3924° 230.2933°
    Perigee Argument 263.0777° 292.6306°
    Mean Anomaly (M) 96.8503° 67.3789°
    Apogee 600.751 km 589.707 km
    Perigee 577.369 km 574.895 km
    Orbit Epoch 2026-10-29T22:51:16+0000 2026-10-29T13:18:25+0000

    SJ-16 & COSMIC Collision Probability (Pc) Trend

    SJ-16 & COSMIC Collision Probability (Pc) TrendNot Available

    SJ-16 & COSMIC Miss Distance (Miss Distance) Trend

    SJ-16 & COSMIC Miss Distance (Miss Distance) TrendNot Available

    SJ-16Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMICMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SJ-16Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMICCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SJ-16

    No nearby objects data