Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.39731E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T00:53:44+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 54042
    NORAD ID 54042
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59487
    NORAD ID 59487
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN-36 02A STARLINK-31657
    Time of Closest Approach 2026-10-21T08:36:35+0000
    Collision Probability (Pc) 3.39731E-5
    Conjunction Distance (km) 0.808 km
    Relative Speed (km/s) 7.326 km/s
    Conjunction Risk Parameters R (Radial): 0.721 | I (In-track): 0.316 | C (Cross-track): -0.179
    Collision Risk Index (CRI) 0.66
    X Position (km) 6096.71 6097.338
    Position Y (km) -124.741 -124.393
    Position Z (km) -3147.923 -3148.292
    Velocity X (km/s) 1.512 -1.856
    Velocity Y (km/s) 7.004 6.311
    Velocity Z (km/s) 2.621 -3.848

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN-36 02A STARLINK-31657
    Semimajor Axis (a) 6874.751 km 6861.208 km
    Eccentricity (e) 0.002827 0.000119
    Inclination (i) 35.0054° 43.0031°
    RAAN 56.6011° 152.8112°
    Perigee Argument 247.4942° 269.6619°
    Mean Anomaly (M) 112.2779° 90.4096°
    Apogee 516.052 km 483.885 km
    Perigee 477.176 km 482.257 km
    Orbit Epoch 2026-10-19T17:30:44+0000 2026-10-20T00:15:21+0000

    YAOGAN-36 02A & STARLINK-31657 Collision Probability (Pc) Trend

    YAOGAN-36 02A & STARLINK-31657 Collision Probability (Pc) TrendNot Available

    YAOGAN-36 02A & STARLINK-31657 Miss Distance (Miss Distance) Trend

    YAOGAN-36 02A & STARLINK-31657 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN-36 02AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31657Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN-36 02ACollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31657Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN-36 02A

    No nearby objects data