Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.949055E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T11:33:57+0800
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    1 Object 1

    AOE ID 10033
    NORAD ID 10033
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 43915
    NORAD ID 43915
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter OPS 5644 YUNHAI 2-1F
    Time of Closest Approach 2026-09-15T23:49:41+0000
    Collision Probability (Pc) 1.949055E-6
    Conjunction Distance (km) 2.24 km
    Relative Speed (km/s) 12.271 km/s
    Conjunction Risk Parameters R (Radial): -2.016 | I (In-track): 0.548 | C (Cross-track): 0.806
    Collision Risk Index (CRI) 0.41
    X Position (km) -2390.549 -2390.147
    Position Y (km) 3982.617 3980.689
    Position Z (km) -5467.745 -5466.68
    Velocity X (km/s) 4.402 -6.688
    Velocity Y (km/s) -3.795 -3.24
    Velocity Z (km/s) -4.655 0.567

    Orbital Parameters 国际轨道数据源

    Parameter OPS 5644 YUNHAI 2-1F
    Semimajor Axis (a) 7164.863 km 7173.022 km
    Eccentricity (e) 0.003716 0.000724
    Inclination (i) 99.1089° 50.0097°
    RAAN 309.6148° 211.0198°
    Perigee Argument 332.7111° 280.8547°
    Mean Anomaly (M) 27.2117° 79.1553°
    Apogee 813.352 km 800.082 km
    Perigee 760.100 km 789.688 km
    Orbit Epoch 2026-09-13T20:25:37+0000 2026-09-13T21:52:22+0000

    OPS 5644 & YUNHAI 2-1F Collision Probability (Pc) Trend

    OPS 5644 & YUNHAI 2-1F Collision Probability (Pc) TrendNot Available

    OPS 5644 & YUNHAI 2-1F Miss Distance (Miss Distance) Trend

    OPS 5644 & YUNHAI 2-1F Miss Distance (Miss Distance) TrendNot Available

    OPS 5644Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 2-1FMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 5644Collision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 2-1FCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 5644

    No nearby objects data