Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.364406E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T14:14:54+0800
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    1 Object 1

    AOE ID 33446
    NORAD ID 33446
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 65948
    NORAD ID 65948
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 4 KUIPER-00113
    Time of Closest Approach 2026-09-18T17:28:33+0000
    Collision Probability (Pc) 9.364406E-7
    Conjunction Distance (km) 2.788 km
    Relative Speed (km/s) 6.68 km/s
    Conjunction Risk Parameters R (Radial): -0.321 | I (In-track): -2.483 | C (Cross-track): 1.225
    Collision Risk Index (CRI) 0.34
    X Position (km) -5932.967 -5931.831
    Position Y (km) -1996.413 -1995.159
    Position Z (km) -3159.006 -3161.22
    Velocity X (km/s) -3.54 -0.664
    Velocity Y (km/s) 0.037 -5.721
    Velocity Z (km/s) 6.649 4.865

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 4 KUIPER-00113
    Semimajor Axis (a) 6996.928 km 7007.709 km
    Eccentricity (e) 0.001524 0.000083
    Inclination (i) 97.9326° 51.8979°
    RAAN 191.6210° 235.6535°
    Perigee Argument 131.4126° 76.2847°
    Mean Anomaly (M) 228.8400° 283.8208°
    Apogee 629.455 km 630.153 km
    Perigee 608.127 km 628.991 km
    Orbit Epoch 2026-09-15T18:21:50+0000 2026-09-15T15:04:49+0000

    YAOGAN 4 & KUIPER-00113 Collision Probability (Pc) Trend

    YAOGAN 4 & KUIPER-00113 Collision Probability (Pc) TrendNot Available

    YAOGAN 4 & KUIPER-00113 Miss Distance (Miss Distance) Trend

    YAOGAN 4 & KUIPER-00113 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00113Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00113Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 4

    No nearby objects data