Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.974003E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T23:20:27+0800
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    1 Object 1

    AOE ID 31490
    NORAD ID 31490
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 44819
    NORAD ID 44819
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter YAOGAN 2 GAOFEN 12
    Time of Closest Approach 2026-10-27T21:45:28+0000
    Collision Probability (Pc) 1.974003E-6
    Conjunction Distance (km) 2.31 km
    Relative Speed (km/s) 13.947 km/s
    Conjunction Risk Parameters R (Radial): -2.217 | I (In-track): 0.231 | C (Cross-track): 0.604
    Collision Risk Index (CRI) 0.41
    X Position (km) -2084.061 -2083.042
    Position Y (km) 1502.362 1502.423
    Position Z (km) 6512.492 6510.42
    Velocity X (km/s) 6.964 -3.652
    Velocity Y (km/s) -1.388 6.083
    Velocity Z (km/s) 2.532 -2.566

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN 2 GAOFEN 12
    Semimajor Axis (a) 6998.371 km 7005.742 km
    Eccentricity (e) 0.001977 0.000123
    Inclination (i) 98.2427° 97.8150°
    RAAN 164.9239° 303.2120°
    Perigee Argument 204.6057° 48.3647°
    Mean Anomaly (M) 155.4214° 311.7671°
    Apogee 634.070 km 628.470 km
    Perigee 606.398 km 626.740 km
    Orbit Epoch 2026-10-27T02:00:31+0000 2026-10-27T06:39:52+0000

    YAOGAN 2 & GAOFEN 12 Collision Probability (Pc) Trend

    YAOGAN 2 & GAOFEN 12 Collision Probability (Pc) TrendNot Available

    YAOGAN 2 & GAOFEN 12 Miss Distance (Miss Distance) Trend

    YAOGAN 2 & GAOFEN 12 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    GAOFEN 12Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    GAOFEN 12Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN 2

    No nearby objects data