Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.36307E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:09:26+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 40143
    NORAD ID 40143
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59095
    NORAD ID 59095
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN 21 STARLINK-31295
    Time of Closest Approach 2026-09-03T05:47:09+0000
    Collision Probability (Pc) 3.36307E-6
    Conjunction Distance (km) 1.798 km
    Relative Speed (km/s) 12.128 km/s
    Conjunction Risk Parameters R (Radial): 1.789 | I (In-track): 0.104 | C (Cross-track): 0.136
    Collision Risk Index (CRI) 0.46
    X Position (km) -1705.853 -1706.436
    Position Y (km) 4739.743 4741.021
    Position Z (km) 4647.315 4648.436
    Velocity X (km/s) -0.514 -6.973
    Velocity Y (km/s) 5.239 -3.043
    Velocity Z (km/s) -5.522 0.543

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 21 STARLINK-31295
    Semimajor Axis (a) 6862.133 km 6861.231 km
    Eccentricity (e) 0.000812 0.000152
    Inclination (i) 97.1417° 43.0035°
    RAAN 282.5004° 34.3240°
    Perigee Argument 165.0324° 276.7391°
    Mean Anomaly (M) 195.1157° 83.3288°
    Apogee 489.565 km 484.139 km
    Perigee 478.427 km 482.049 km
    Orbit Epoch 2026-09-02T13:27:52+0000 2026-09-02T02:44:32+0000

    YAOGAN 21 & STARLINK-31295 Collision Probability (Pc) Trend

    YAOGAN 21 & STARLINK-31295 Collision Probability (Pc) TrendNot Available

    YAOGAN 21 & STARLINK-31295 Miss Distance (Miss Distance) Trend

    YAOGAN 21 & STARLINK-31295 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31295Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31295Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 21

    No nearby objects data