Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.348198E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T01:30:45+0800
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    1 Object 1

    AOE ID 36558
    NORAD ID 36558
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    Name DAQI 1
    AOE ID 52257
    NORAD ID 52257
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2251 DEB DAQI 1
    Time of Closest Approach 2026-09-16T06:05:31+0000
    Collision Probability (Pc) 1.348198E-6
    Conjunction Distance (km) 2.96 km
    Relative Speed (km/s) 14.555 km/s
    Conjunction Risk Parameters R (Radial): -1.177 | I (In-track): -0.667 | C (Cross-track): -2.632
    Collision Risk Index (CRI) 0.38
    X Position (km) 1908.521 1908.726
    Position Y (km) 1543.251 1546.158
    Position Z (km) 6632.274 6632.794
    Velocity X (km/s) -7.078 6.923
    Velocity Y (km/s) 1.928 1.663
    Velocity Z (km/s) 1.595 -2.372

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB DAQI 1
    Semimajor Axis (a) 7081.174 km 7078.683 km
    Eccentricity (e) 0.001288 0.000378
    Inclination (i) 74.0437° 98.1519°
    RAAN 356.9500° 193.3267°
    Perigee Argument 10.7071° 3.1639°
    Mean Anomaly (M) 349.4365° 356.9584°
    Apogee 712.161 km 703.225 km
    Perigee 693.913 km 697.867 km
    Orbit Epoch 2026-09-11T16:58:31+0000 2026-09-13T06:45:29+0000

    COSMOS 2251 DEB & DAQI 1 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & DAQI 1 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & DAQI 1 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & DAQI 1 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DAQI 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    DAQI 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data