Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.144586E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T06:59:48+0800
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    1 Object 1

    AOE ID 43925
    NORAD ID 43925
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 44547
    NORAD ID 44547
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter IRIDIUM 173 YUNHAI 1-02
    Time of Closest Approach 2026-10-15T00:10:27+0000
    Collision Probability (Pc) 5.144586E-7
    Conjunction Distance (km) 2.707 km
    Relative Speed (km/s) 1.912 km/s
    Conjunction Risk Parameters R (Radial): 1.582 | I (In-track): 2.178 | C (Cross-track): -0.283
    Collision Risk Index (CRI) 0.29
    X Position (km) -3009.3 -3010.515
    Position Y (km) 5018.426 5020.676
    Position Z (km) 4113.35 4112.466
    Velocity X (km/s) -2.699 -1.031
    Velocity Y (km/s) 3.384 4.315
    Velocity Z (km/s) -6.084 -6.008

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 173 YUNHAI 1-02
    Semimajor Axis (a) 7155.804 km 7161.470 km
    Eccentricity (e) 0.000221 0.000690
    Inclination (i) 86.3929° 98.4141°
    RAAN 303.7941° 294.2745°
    Perigee Argument 91.9349° 155.6120°
    Mean Anomaly (M) 268.2100° 204.5392°
    Apogee 779.251 km 788.276 km
    Perigee 776.083 km 778.390 km
    Orbit Epoch 2026-10-14T06:45:27+0000 2026-10-14T06:44:21+0000

    IRIDIUM 173 & YUNHAI 1-02 Collision Probability (Pc) Trend

    IRIDIUM 173 & YUNHAI 1-02 Collision Probability (Pc) TrendNot Available

    IRIDIUM 173 & YUNHAI 1-02 Miss Distance (Miss Distance) Trend

    IRIDIUM 173 & YUNHAI 1-02 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 173Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 1-02Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 173Collision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 1-02Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 173

    No nearby objects data