Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.42767E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T17:16:37+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 68883
    NORAD ID 68883
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 4 KUIPER-00502
    Time of Closest Approach 2026-10-23T18:27:16+0000
    Collision Probability (Pc) 1.42767E-6
    Conjunction Distance (km) 2.797 km
    Relative Speed (km/s) 14.129 km/s
    Conjunction Risk Parameters R (Radial): -2.677 | I (In-track): 0.269 | C (Cross-track): -0.76
    Collision Risk Index (CRI) 0.38
    X Position (km) 3135.949 3137.568
    Position Y (km) 4571.714 4572.861
    Position Z (km) 4273.569 4275.54
    Velocity X (km/s) 3.658 -6.486
    Velocity Y (km/s) 3.008 0.941
    Velocity Z (km/s) -5.872 3.742

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 4 KUIPER-00502
    Semimajor Axis (a) 6996.739 km 7007.716 km
    Eccentricity (e) 0.001474 0.000079
    Inclination (i) 97.9385° 51.9013°
    RAAN 228.4122° 23.7431°
    Perigee Argument 20.4049° 118.9001°
    Mean Anomaly (M) 339.7751° 241.2040°
    Apogee 628.915 km 630.132 km
    Perigee 608.289 km 629.026 km
    Orbit Epoch 2026-10-22T19:09:13+0000 2026-10-22T13:03:09+0000

    YAOGAN 4 & KUIPER-00502 Collision Probability (Pc) Trend

    YAOGAN 4 & KUIPER-00502 Collision Probability (Pc) TrendNot Available

    YAOGAN 4 & KUIPER-00502 Miss Distance (Miss Distance) Trend

    YAOGAN 4 & KUIPER-00502 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 4Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00502Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 4Collision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00502Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 4

    No nearby objects data