Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.037856E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-04T01:02:41+0800
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    1 Object 1

    Name METOP-A
    AOE ID 29499
    NORAD ID 29499
    Object Type PAYLOAD
    Country
    EUME EUME
    ← VS →

    2 Object 2

    AOE ID 48860
    NORAD ID 48860
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter METOP-A YAOGAN-30 AA
    Time of Closest Approach 2026-11-04T21:45:18+0000
    Collision Probability (Pc) 2.037856E-6
    Conjunction Distance (km) 2.031 km
    Relative Speed (km/s) 9.156 km/s
    Conjunction Risk Parameters R (Radial): 2.031 | I (In-track): 0.006 | C (Cross-track): -0.035
    Collision Risk Index (CRI) 0.41
    X Position (km) 3492.324 3493.316
    Position Y (km) 5216.025 5217.569
    Position Z (km) 2938.245 2939.116
    Velocity X (km/s) -0.72 -6.466
    Velocity Y (km/s) -3.273 2.675
    Velocity Z (km/s) 6.858 2.928

    Orbital Parameters 国际轨道数据源

    Parameter METOP-A YAOGAN-30 AA
    Semimajor Axis (a) 7019.035 km 6935.118 km
    Eccentricity (e) 0.017250 0.000379
    Inclination (i) 98.3433° 34.9966°
    RAAN 58.0517° 26.4111°
    Perigee Argument 347.4508° 218.3379°
    Mean Anomaly (M) 124.4485° 141.7060°
    Apogee 761.978 km 559.612 km
    Perigee 519.818 km 554.350 km
    Orbit Epoch 2026-11-02T21:21:12+0000 2026-11-02T21:43:27+0000

    METOP-A & YAOGAN-30 AA Collision Probability (Pc) Trend

    METOP-A & YAOGAN-30 AA Collision Probability (Pc) TrendNot Available

    METOP-A & YAOGAN-30 AA Miss Distance (Miss Distance) Trend

    METOP-A & YAOGAN-30 AA Miss Distance (Miss Distance) TrendNot Available

    METOP-AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-30 AAMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    METOP-ACollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-30 AACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with METOP-A

    No nearby objects data