Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.525781E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T13:52:37+0800
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    1 Object 1

    AOE ID 49390
    NORAD ID 49390
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 57069
    NORAD ID 57069
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN-35 A STARLINK-5821
    Time of Closest Approach 2026-10-20T20:16:58+0000
    Collision Probability (Pc) 2.525781E-5
    Conjunction Distance (km) 0.823 km
    Relative Speed (km/s) 5.214 km/s
    Conjunction Risk Parameters R (Radial): -0.045 | I (In-track): -0.772 | C (Cross-track): -0.279
    Collision Risk Index (CRI) 0.63
    X Position (km) -3680.097 -3680.698
    Position Y (km) 4394.246 4393.7
    Position Z (km) -3775.54 -3775.672
    Velocity X (km/s) -6.25 -3.817
    Velocity Y (km/s) -4.179 -5.836
    Velocity Z (km/s) 1.233 -3.071

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN-35 A STARLINK-5821
    Semimajor Axis (a) 6859.148 km 6861.205 km
    Eccentricity (e) 0.000441 0.000126
    Inclination (i) 34.9987° 43.0012°
    RAAN 212.1660° 279.2503°
    Perigee Argument 51.3481° 262.9421°
    Mean Anomaly (M) 308.7629° 97.1287°
    Apogee 484.034 km 483.936 km
    Perigee 477.988 km 482.200 km
    Orbit Epoch 2026-10-18T23:08:16+0000 2026-10-18T07:37:55+0000

    YAOGAN-35 A & STARLINK-5821 Collision Probability (Pc) Trend

    YAOGAN-35 A & STARLINK-5821 Collision Probability (Pc) TrendNot Available

    YAOGAN-35 A & STARLINK-5821 Miss Distance (Miss Distance) Trend

    YAOGAN-35 A & STARLINK-5821 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN-35 AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5821Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN-35 ACollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5821Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN-35 A

    No nearby objects data