Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.457313E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-17T20:38:13+0800
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    1 Object 1

    AOE ID 37305
    NORAD ID 37305
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 58073
    NORAD ID 58073
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2251 DEB YUNHAI 1-04
    Time of Closest Approach 2026-10-18T20:40:19+0000
    Collision Probability (Pc) 1.457313E-6
    Conjunction Distance (km) 2.667 km
    Relative Speed (km/s) 12.962 km/s
    Conjunction Risk Parameters R (Radial): -1.529 | I (In-track): -1.079 | C (Cross-track): 1.899
    Collision Risk Index (CRI) 0.38
    X Position (km) -1933.124 -1930.669
    Position Y (km) 471.015 471.477
    Position Z (km) 6872.39 6871.457
    Velocity X (km/s) -1.954 -4.958
    Velocity Y (km/s) -7.193 5.296
    Velocity Z (km/s) -0.024 -1.754

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB YUNHAI 1-04
    Semimajor Axis (a) 7146.381 km 7161.174 km
    Eccentricity (e) 0.004772 0.000159
    Inclination (i) 73.8689° 98.4908°
    RAAN 78.7866° 313.6548°
    Perigee Argument 337.2978° 136.8404°
    Mean Anomaly (M) 22.6063° 223.2905°
    Apogee 802.346 km 784.174 km
    Perigee 734.142 km 781.900 km
    Orbit Epoch 2026-10-16T16:27:41+0000 2026-10-17T07:18:46+0000

    COSMOS 2251 DEB & YUNHAI 1-04 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & YUNHAI 1-04 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & YUNHAI 1-04 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & YUNHAI 1-04 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 1-04Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 1-04Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data