Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.019914E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T03:42:32+0800
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    1 Object 1

    AOE ID 41026
    NORAD ID 41026
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59542
    NORAD ID 59542
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 28 STARLINK-31540
    Time of Closest Approach 2026-10-30T22:14:04+0000
    Collision Probability (Pc) 3.019914E-6
    Conjunction Distance (km) 1.658 km
    Relative Speed (km/s) 7.15 km/s
    Conjunction Risk Parameters R (Radial): 1.364 | I (In-track): -0.829 | C (Cross-track): 0.447
    Collision Risk Index (CRI) 0.45
    X Position (km) 1008.612 1009.115
    Position Y (km) 6628.207 6629.29
    Position Z (km) -1454.977 -1456.127
    Velocity X (km/s) 1.222 -5.478
    Velocity Y (km/s) 1.42 1.916
    Velocity Z (km/s) 7.39 4.944

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 28 STARLINK-31540
    Semimajor Axis (a) 6856.925 km 6861.217 km
    Eccentricity (e) 0.001162 0.000125
    Inclination (i) 97.3269° 43.0019°
    RAAN 77.8166° 107.1157°
    Perigee Argument 78.6834° 270.0250°
    Mean Anomaly (M) 281.5711° 329.0949°
    Apogee 486.758 km 483.935 km
    Perigee 470.818 km 482.225 km
    Orbit Epoch 2026-10-28T23:10:08+0000 2026-10-28T18:00:02+0000

    YAOGAN 28 & STARLINK-31540 Collision Probability (Pc) Trend

    YAOGAN 28 & STARLINK-31540 Collision Probability (Pc) TrendNot Available

    YAOGAN 28 & STARLINK-31540 Miss Distance (Miss Distance) Trend

    YAOGAN 28 & STARLINK-31540 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 28Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31540Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 28Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31540Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 28

    No nearby objects data