Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.207425E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T16:36:21+0800
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    1 Object 1

    AOE ID 65989
    NORAD ID 65989
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67433
    NORAD ID 67433
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter SDA_1679 YAOGAN-50
    Time of Closest Approach 2026-09-05T16:14:56+0000
    Collision Probability (Pc) 1.207425E-6
    Conjunction Distance (km) 2.949 km
    Relative Speed (km/s) 11.904 km/s
    Conjunction Risk Parameters R (Radial): 1.003 | I (In-track): 1.641 | C (Cross-track): 2.237
    Collision Risk Index (CRI) 0.37
    X Position (km) 4695.236 4696.707
    Position Y (km) -3442.593 -3441.327
    Position Z (km) -4458.821 -4456.601
    Velocity X (km/s) -2.716 -3.904
    Velocity Y (km/s) 3.731 -6.216
    Velocity Z (km/s) -5.744 0.686

    Orbital Parameters 国际轨道数据源

    Parameter SDA_1679 YAOGAN-50
    Semimajor Axis (a) 7324.838 km 7330.530 km
    Eccentricity (e) 0.000356 0.000123
    Inclination (i) 81.3038° 142.0405°
    RAAN 137.5288° 240.9854°
    Perigee Argument 6.4442° 273.5713°
    Mean Anomaly (M) 353.6760° 86.4864°
    Apogee 949.310 km 953.299 km
    Perigee 944.092 km 951.487 km
    Orbit Epoch 2026-09-05T03:03:44+0000 2026-09-04T21:34:47+0000

    SDA_1679 & YAOGAN-50 Collision Probability (Pc) Trend

    SDA_1679 & YAOGAN-50 Collision Probability (Pc) TrendNot Available

    SDA_1679 & YAOGAN-50 Miss Distance (Miss Distance) Trend

    SDA_1679 & YAOGAN-50 Miss Distance (Miss Distance) TrendNot Available

    SDA_1679Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-50Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SDA_1679Collision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-50Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SDA_1679

    No nearby objects data