Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.871111E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T20:23:39+0800
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    1 Object 1

    AOE ID 40420
    NORAD ID 40420
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 43082
    NORAD ID 43082
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2503 YAOGAN-30 H
    Time of Closest Approach 2026-10-19T15:26:23+0000
    Collision Probability (Pc) 7.871111E-6
    Conjunction Distance (km) 1.385 km
    Relative Speed (km/s) 12.655 km/s
    Conjunction Risk Parameters R (Radial): -1.055 | I (In-track): 0.498 | C (Cross-track): -0.744
    Collision Risk Index (CRI) 0.53
    X Position (km) 5847.251 5846.729
    Position Y (km) -373.571 -372.881
    Position Z (km) -3716.914 -3715.833
    Velocity X (km/s) 3.92 -0.515
    Velocity Y (km/s) -1.472 7.402
    Velocity Z (km/s) 6.308 -1.548

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2503 YAOGAN-30 H
    Semimajor Axis (a) 6923.863 km 6935.351 km
    Eccentricity (e) 0.001584 0.000524
    Inclination (i) 97.8160° 34.9934°
    RAAN 350.6102° 115.6359°
    Perigee Argument 187.5127° 337.3188°
    Mean Anomaly (M) 172.5865° 22.7289°
    Apogee 556.690 km 560.846 km
    Perigee 534.762 km 553.582 km
    Orbit Epoch 2026-10-18T22:03:17+0000 2026-10-18T22:23:46+0000

    COSMOS 2503 & YAOGAN-30 H Collision Probability (Pc) Trend

    COSMOS 2503 & YAOGAN-30 H Collision Probability (Pc) TrendNot Available

    COSMOS 2503 & YAOGAN-30 H Miss Distance (Miss Distance) Trend

    COSMOS 2503 & YAOGAN-30 H Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2503Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-30 HMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2503Collision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-30 HCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2503

    No nearby objects data