Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.469699E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T13:51:34+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 12138
    NORAD ID 12138
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 39231
    NORAD ID 39231
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 1238 CZ-4C DEB
    Time of Closest Approach 2026-10-22T21:51:08+0000
    Collision Probability (Pc) 2.469699E-6
    Conjunction Distance (km) 2.138 km
    Relative Speed (km/s) 15.215 km/s
    Conjunction Risk Parameters R (Radial): -2.12 | I (In-track): 0.048 | C (Cross-track): -0.268
    Collision Risk Index (CRI) 0.43
    X Position (km) -2801.88 -2802.973
    Position Y (km) 6133.924 6135.658
    Position Z (km) -2040.036 -2040.643
    Velocity X (km/s) -1.614 1.932
    Velocity Y (km/s) 1.19 -1.548
    Velocity Z (km/s) 7.348 -7.192

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 1238 CZ-4C DEB
    Semimajor Axis (a) 7224.403 km 7207.965 km
    Eccentricity (e) 0.063573 0.023501
    Inclination (i) 82.9531° 98.0655°
    RAAN 118.2686° 294.7915°
    Perigee Argument 58.8771° 216.9760°
    Mean Anomaly (M) 307.3180° 141.5022°
    Apogee 1305.541 km 999.219 km
    Perigee 386.991 km 660.437 km
    Orbit Epoch 2026-10-20T22:22:17+0000 2026-10-20T11:21:55+0000

    COSMOS 1238 & CZ-4C DEB Collision Probability (Pc) Trend

    COSMOS 1238 & CZ-4C DEB Collision Probability (Pc) TrendNot Available

    COSMOS 1238 & CZ-4C DEB Miss Distance (Miss Distance) Trend

    COSMOS 1238 & CZ-4C DEB Miss Distance (Miss Distance) TrendNot Available

    COSMOS 1238Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CZ-4C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 1238Collision Probability Trend

    Object 1 Probability TrendNot Available

    CZ-4C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 1238

    No nearby objects data