Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.115152E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T15:05:25+0800
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    1 Object 1

    AOE ID 42947
    NORAD ID 42947
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 53690
    NORAD ID 53690
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN-30 C STARLINK-4570
    Time of Closest Approach 2026-09-16T17:16:41+0000
    Collision Probability (Pc) 1.115152E-6
    Conjunction Distance (km) 2.785 km
    Relative Speed (km/s) 9.092 km/s
    Conjunction Risk Parameters R (Radial): -2.069 | I (In-track): 1.486 | C (Cross-track): -1.123
    Collision Risk Index (CRI) 0.36
    X Position (km) 4579.758 4579.516
    Position Y (km) -4233.193 -4231.762
    Position Z (km) 3018.421 3016.045
    Velocity X (km/s) 5.694 1.685
    Velocity Y (km/s) 4.14 -3.012
    Velocity Z (km/s) -2.829 -6.758

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN-30 C STARLINK-4570
    Semimajor Axis (a) 6929.755 km 6927.616 km
    Eccentricity (e) 0.000584 0.000230
    Inclination (i) 34.9971° 97.2829°
    RAAN 185.6320° 131.9924°
    Perigee Argument 282.4519° 83.7301°
    Mean Anomaly (M) 77.5537° 276.4188°
    Apogee 555.662 km 551.071 km
    Perigee 547.574 km 547.887 km
    Orbit Epoch 2026-09-15T23:11:14+0000 2026-09-14T21:31:56+0000

    YAOGAN-30 C & STARLINK-4570 Collision Probability (Pc) Trend

    YAOGAN-30 C & STARLINK-4570 Collision Probability (Pc) TrendNot Available

    YAOGAN-30 C & STARLINK-4570 Miss Distance (Miss Distance) Trend

    YAOGAN-30 C & STARLINK-4570 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN-30 CMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4570Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN-30 CCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4570Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN-30 C

    No nearby objects data