Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.376653E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-14T15:08:51+0800
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    1 Object 1

    AOE ID 4254
    NORAD ID 4254
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 21373
    NORAD ID 21373
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 312 DELTA 1 DEB
    Time of Closest Approach 2026-09-16T20:51:31+0000
    Collision Probability (Pc) 1.376653E-6
    Conjunction Distance (km) 2.844 km
    Relative Speed (km/s) 13.802 km/s
    Conjunction Risk Parameters R (Radial): -0.2 | I (In-track): 0.87 | C (Cross-track): 2.7
    Collision Risk Index (CRI) 0.38
    X Position (km) -2165.616 -2167.552
    Position Y (km) -265.14 -267.038
    Position Z (km) -7225.198 -7224.338
    Velocity X (km/s) 2.929 -6.07
    Velocity Y (km/s) -6.607 3.603
    Velocity Z (km/s) -0.652 1.638

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 312 DELTA 1 DEB
    Semimajor Axis (a) 7535.428 km 7514.687 km
    Eccentricity (e) 0.002257 0.007426
    Inclination (i) 74.0208° 99.9237°
    RAAN 299.9097° 148.5381°
    Perigee Argument 162.5225° 173.9936°
    Mean Anomaly (M) 10.7996° 203.1177°
    Apogee 1174.297 km 1192.352 km
    Perigee 1140.285 km 1080.748 km
    Orbit Epoch 2026-09-13T21:51:05+0000 2026-09-13T15:51:20+0000

    COSMOS 312 & DELTA 1 DEB Collision Probability (Pc) Trend

    COSMOS 312 & DELTA 1 DEB Collision Probability (Pc) TrendNot Available

    COSMOS 312 & DELTA 1 DEB Miss Distance (Miss Distance) Trend

    COSMOS 312 & DELTA 1 DEB Miss Distance (Miss Distance) TrendNot Available

    COSMOS 312Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 312Collision Probability Trend

    Object 1 Probability TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 312

    No nearby objects data