Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.406373E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T07:13:50+0800
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    1 Object 1

    AOE ID 37483
    NORAD ID 37483
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 43912
    NORAD ID 43912
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2251 DEB YUNHAI 2-1D
    Time of Closest Approach 2026-10-25T02:54:49+0000
    Collision Probability (Pc) 1.406373E-6
    Conjunction Distance (km) 2.745 km
    Relative Speed (km/s) 13.143 km/s
    Conjunction Risk Parameters R (Radial): -0.014 | I (In-track): 1.288 | C (Cross-track): -2.424
    Collision Risk Index (CRI) 0.38
    X Position (km) -449.809 -447.133
    Position Y (km) 7150.965 7151.173
    Position Z (km) -338.059 -337.487
    Velocity X (km/s) -2.031 -4.803
    Velocity Y (km/s) -0.411 -0.049
    Velocity Z (km/s) -7.137 5.705

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB YUNHAI 2-1D
    Semimajor Axis (a) 7123.508 km 7172.965 km
    Eccentricity (e) 0.009097 0.001573
    Inclination (i) 73.9726° 50.0091°
    RAAN 276.2492° 99.9983°
    Perigee Argument 50.2043° 79.3768°
    Mean Anomaly (M) 310.7078° 280.8919°
    Apogee 810.175 km 806.114 km
    Perigee 680.567 km 783.542 km
    Orbit Epoch 2026-10-23T06:50:46+0000 2026-10-24T03:26:04+0000

    COSMOS 2251 DEB & YUNHAI 2-1D Collision Probability (Pc) Trend

    COSMOS 2251 DEB & YUNHAI 2-1D Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & YUNHAI 2-1D Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & YUNHAI 2-1D Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 2-1DMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 2-1DCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data