Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    9.329816E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T05:53:21+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 66720
    NORAD ID 66720
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 28 FLOCK 4H 17
    Time of Closest Approach 2026-10-15T15:56:01+0000
    Collision Probability (Pc) 9.329816E-6
    Conjunction Distance (km) 1.198 km
    Relative Speed (km/s) 7.912 km/s
    Conjunction Risk Parameters R (Radial): 1.188 | I (In-track): -0.134 | C (Cross-track): -0.074
    Collision Risk Index (CRI) 0.54
    X Position (km) -555.36 -555.581
    Position Y (km) 870.631 870.692
    Position Z (km) -6793.91 -6795.085
    Velocity X (km/s) 3.305 7.578
    Velocity Y (km/s) 6.819 0.266
    Velocity Z (km/s) 0.6 -0.586

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 28 FLOCK 4H 17
    Semimajor Axis (a) 6857.524 km 6866.940 km
    Eccentricity (e) 0.001146 0.000169
    Inclination (i) 97.3250° 97.4099°
    RAAN 63.3851° 359.9585°
    Perigee Argument 124.5899° 244.4664°
    Mean Anomaly (M) 235.6424° 115.6400°
    Apogee 487.250 km 489.963 km
    Perigee 471.524 km 487.643 km
    Orbit Epoch 2026-10-14T07:19:11+0000 2026-10-14T04:08:37+0000

    YAOGAN 28 & FLOCK 4H 17 Collision Probability (Pc) Trend

    YAOGAN 28 & FLOCK 4H 17 Collision Probability (Pc) TrendNot Available

    YAOGAN 28 & FLOCK 4H 17 Miss Distance (Miss Distance) Trend

    YAOGAN 28 & FLOCK 4H 17 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 28Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4H 17Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 28Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4H 17Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 28

    No nearby objects data