Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    8.925719E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T16:30:32+0800
    View CDM
    Download CDM 1.0

    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) 8.925719E-6
    Conjunction Distance (km) 1.213 km
    Relative Speed (km/s) 7.912 km/s
    Conjunction Risk Parameters R (Radial): -1.185 | I (In-track): 0.216 | C (Cross-track): -0.134
    Collision Risk Index (CRI) 0.54
    X Position (km) -555.35 -555.657
    Position Y (km) 870.681 870.69
    Position Z (km) -6793.906 -6795.079
    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) 6857.508 km 6866.940 km
    Eccentricity (e) 0.001148 0.000169
    Inclination (i) 97.3251° 97.4099°
    RAAN 63.7072° 359.9585°
    Perigee Argument 123.5816° 244.4664°
    Mean Anomaly (M) 236.6522° 115.6400°
    Apogee 487.245 km 489.963 km
    Perigee 471.497 km 487.643 km
    Orbit Epoch 2026-10-14T15:10:26+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