Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.059832E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T12:58:37+0800
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    1 Object 1

    AOE ID 9509
    NORAD ID 9509
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 26743
    NORAD ID 26743
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter COSMOS 864 SL-8 DEB
    Time of Closest Approach 2026-09-13T06:06:58+0000
    Collision Probability (Pc) 1.059832E-6
    Conjunction Distance (km) 2.097 km
    Relative Speed (km/s) 3.424 km/s
    Conjunction Risk Parameters R (Radial): 1.959 | I (In-track): -0.726 | C (Cross-track): -0.177
    Collision Risk Index (CRI) 0.36
    X Position (km) 876.584 876.567
    Position Y (km) -311.183 -311.971
    Position Z (km) -7285.265 -7287.208
    Velocity X (km/s) 0.765 3.971
    Velocity Y (km/s) 7.325 6.2
    Velocity Z (km/s) -0.224 0.2

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 864 SL-8 DEB
    Semimajor Axis (a) 7357.721 km 7356.688 km
    Eccentricity (e) 0.002852 0.002877
    Inclination (i) 82.9360° 82.9195°
    RAAN 86.1738° 59.7559°
    Perigee Argument 265.8897° 248.0224°
    Mean Anomaly (M) 164.7445° 111.7875°
    Apogee 1000.569 km 999.717 km
    Perigee 958.599 km 957.385 km
    Orbit Epoch 2026-09-10T16:03:32+0000 2026-09-09T18:46:07+0000

    COSMOS 864 & SL-8 DEB Collision Probability (Pc) Trend

    COSMOS 864 & SL-8 DEB Collision Probability (Pc) TrendNot Available

    COSMOS 864 & SL-8 DEB Miss Distance (Miss Distance) Trend

    COSMOS 864 & SL-8 DEB Miss Distance (Miss Distance) TrendNot Available

    COSMOS 864Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SL-8 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 864Collision Probability Trend

    Object 1 Probability TrendNot Available

    SL-8 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 864

    No nearby objects data