Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.399097E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T01:29:19+0800
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    1 Object 1

    AOE ID 5144
    NORAD ID 5144
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 58559
    NORAD ID 58559
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 397 DEB YAOGAN-39 05C
    Time of Closest Approach 2026-09-07T05:08:29+0000
    Collision Probability (Pc) 1.399097E-6
    Conjunction Distance (km) 2.575 km
    Relative Speed (km/s) 10.984 km/s
    Conjunction Risk Parameters R (Radial): -2.42 | I (In-track): 0.628 | C (Cross-track): 0.614
    Collision Risk Index (CRI) 0.38
    X Position (km) -5284.504 -5285.806
    Position Y (km) 3588.942 3590.842
    Position Z (km) -2619.336 -2620.488
    Velocity X (km/s) -4.081 -2.67
    Velocity Y (km/s) -1.4 -6.313
    Velocity Z (km/s) 6.457 -3.265

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 397 DEB YAOGAN-39 05C
    Semimajor Axis (a) 7222.742 km 6894.447 km
    Eccentricity (e) 0.045144 0.001595
    Inclination (i) 65.7135° 34.9916°
    RAAN 161.9315° 302.0594°
    Perigee Argument 344.8160° 15.6542°
    Mean Anomaly (M) 13.9728° 344.4662°
    Apogee 1170.666 km 527.311 km
    Perigee 518.544 km 505.309 km
    Orbit Epoch 2026-09-05T04:01:57+0000 2026-09-05T06:21:05+0000

    COSMOS 397 DEB & YAOGAN-39 05C Collision Probability (Pc) Trend

    COSMOS 397 DEB & YAOGAN-39 05C Collision Probability (Pc) TrendNot Available

    COSMOS 397 DEB & YAOGAN-39 05C Miss Distance (Miss Distance) Trend

    COSMOS 397 DEB & YAOGAN-39 05C Miss Distance (Miss Distance) TrendNot Available

    COSMOS 397 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-39 05CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 397 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-39 05CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 397 DEB

    No nearby objects data