Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.278516E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T11:41:44+0800
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    1 Object 1

    AOE ID 12658
    NORAD ID 12658
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 57792
    NORAD ID 57792
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 1275 DEB TIANQI 21
    Time of Closest Approach 2026-09-14T20:31:09+0000
    Collision Probability (Pc) 8.278516E-6
    Conjunction Distance (km) 1.248 km
    Relative Speed (km/s) 8.171 km/s
    Conjunction Risk Parameters R (Radial): -0.867 | I (In-track): 0.75 | C (Cross-track): -0.492
    Collision Risk Index (CRI) 0.53
    X Position (km) 2256.396 2255.807
    Position Y (km) 4172.519 4172.74
    Position Z (km) -5409.996 -5408.919
    Velocity X (km/s) 1.4 -5.803
    Velocity Y (km/s) 5.489 4.534
    Velocity Z (km/s) 4.803 1.066

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1275 DEB TIANQI 21
    Semimajor Axis (a) 7167.508 km 7192.818 km
    Eccentricity (e) 0.003353 0.001288
    Inclination (i) 82.9654° 49.9712°
    RAAN 70.7511° 139.3891°
    Perigee Argument 165.1600° 206.1908°
    Mean Anomaly (M) 255.0528° 153.8354°
    Apogee 813.403 km 823.943 km
    Perigee 765.339 km 805.419 km
    Orbit Epoch 2026-09-13T13:08:21+0000 2026-09-13T19:36:43+0000

    COSMOS 1275 DEB & TIANQI 21 Collision Probability (Pc) Trend

    COSMOS 1275 DEB & TIANQI 21 Collision Probability (Pc) TrendNot Available

    COSMOS 1275 DEB & TIANQI 21 Miss Distance (Miss Distance) Trend

    COSMOS 1275 DEB & TIANQI 21 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1275 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANQI 21Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1275 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    TIANQI 21Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1275 DEB

    No nearby objects data