Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.337455E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T06:30:58+0800
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    1 Object 1

    AOE ID 44390
    NORAD ID 44390
    Object Type PAYLOAD
    Country
    FI FI
    ← VS →

    2 Object 2

    AOE ID 54752
    NORAD ID 54752
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter ICEYE-X4 SHIYAN 21 (SY-21)
    Time of Closest Approach 2026-10-15T03:57:31+0000
    Collision Probability (Pc) 1.337455E-5
    Conjunction Distance (km) 1.142 km
    Relative Speed (km/s) 10.459 km/s
    Conjunction Risk Parameters R (Radial): 0.87 | I (In-track): 0.542 | C (Cross-track): -0.505
    Collision Risk Index (CRI) 0.58
    X Position (km) 5097.257 5098.394
    Position Y (km) -2529.698 -2529.806
    Position Z (km) -3822.253 -3822.225
    Velocity X (km/s) 3.2 4.167
    Velocity Y (km/s) -2.991 6.232
    Velocity Z (km/s) 6.238 1.402

    Orbital Parameters 国际轨道数据源

    Parameter ICEYE-X4 SHIYAN 21 (SY-21)
    Semimajor Axis (a) 6849.195 km 6859.710 km
    Eccentricity (e) 0.001117 0.002534
    Inclination (i) 97.8640° 35.9915°
    RAAN 327.3842° 46.9620°
    Perigee Argument 241.7645° 210.4430°
    Mean Anomaly (M) 118.2468° 149.4833°
    Apogee 478.707 km 498.953 km
    Perigee 463.409 km 464.193 km
    Orbit Epoch 2026-10-14T07:43:27+0000 2026-10-14T06:19:05+0000

    ICEYE-X4 & SHIYAN 21 (SY-21) Collision Probability (Pc) Trend

    ICEYE-X4 & SHIYAN 21 (SY-21) Collision Probability (Pc) TrendNot Available

    ICEYE-X4 & SHIYAN 21 (SY-21) Miss Distance (Miss Distance) Trend

    ICEYE-X4 & SHIYAN 21 (SY-21) Miss Distance (Miss Distance) TrendNot Available

    ICEYE-X4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN 21 (SY-21)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ICEYE-X4Collision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN 21 (SY-21)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ICEYE-X4

    No nearby objects data