Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.465221E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:37:49+0800
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    1 Object 1

    Name STSAT 3
    AOE ID 39422
    NORAD ID 39422
    Object Type PAYLOAD
    Country
    KR KR
    VS

    2 Object 2

    AOE ID 48861
    NORAD ID 48861
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STSAT 3 YAOGAN-30 AB
    Time of Closest Approach 2026-09-04T21:42:11+0000
    Collision Probability (Pc) 1.465221E-6
    Conjunction Distance (km) 2.726 km
    Relative Speed (km/s) 13.858 km/s
    Conjunction Risk Parameters R (Radial): 1.503 | I (In-track): -0.921 | C (Cross-track): 2.08
    Collision Risk Index (CRI) 0.38
    X Position (km) 5434.075 5431.853
    Position Y (km) 4192.039 4192.763
    Position Z (km) 981.346 979.943
    Velocity X (km/s) 1.476 -4.319
    Velocity Y (km/s) -0.146 4.598
    Velocity Z (km/s) -7.441 4.219

    Orbital Parameters 国际轨道数据源

    Parameter STSAT 3 YAOGAN-30 AB
    Semimajor Axis (a) 6935.423 km 6935.729 km
    Eccentricity (e) 0.001038 0.000356
    Inclination (i) 97.6274° 34.9956°
    RAAN 215.6009° 32.3824°
    Perigee Argument 122.8090° 36.9057°
    Mean Anomaly (M) 237.4137° 323.1896°
    Apogee 564.487 km 560.061 km
    Perigee 550.085 km 555.123 km
    Orbit Epoch 2026-09-03T22:34:31+0000 2026-09-03T20:07:58+0000

    STSAT 3 & YAOGAN-30 AB Collision Probability (Pc) Trend

    STSAT 3 & YAOGAN-30 AB Collision Probability (Pc) TrendNot Available

    STSAT 3 & YAOGAN-30 AB Miss Distance (Miss Distance) Trend

    STSAT 3 & YAOGAN-30 AB Miss Distance (Miss Distance) TrendNot Available

    STSAT 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-30 ABMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STSAT 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-30 ABCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STSAT 3

    No nearby objects data