Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.53679E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T14:56:23+0800
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    1 Object 1

    AOE ID 47854
    NORAD ID 47854
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 69863
    NORAD ID 69863
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter YAOGAN-31 K QIANFAN-234
    Time of Closest Approach 2026-09-07T07:00:04+0000
    Collision Probability (Pc) 2.53679E-6
    Conjunction Distance (km) 1.505 km
    Relative Speed (km/s) 3.425 km/s
    Conjunction Risk Parameters R (Radial): -1.504 | I (In-track): 0.016 | C (Cross-track): -0.024
    Collision Risk Index (CRI) 0.43
    X Position (km) 4016.491 4017.337
    Position Y (km) 5795.466 5796.643
    Position Z (km) 2026.833 2027.234
    Velocity X (km/s) -3.865 -1.282
    Velocity Y (km/s) 0.503 -1.617
    Velocity Z (km/s) 6.334 7.089

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN-31 K QIANFAN-234
    Semimajor Axis (a) 7467.175 km 7360.259 km
    Eccentricity (e) 0.018190 0.003476
    Inclination (i) 63.4052° 89.0061°
    RAAN 52.9263° 55.2494°
    Perigee Argument 0.7921° 51.1133°
    Mean Anomaly (M) 359.3359° 309.3123°
    Apogee 1224.869 km 1007.704 km
    Perigee 953.207 km 956.540 km
    Orbit Epoch 2026-09-04T23:37:04+0000 2026-09-04T19:32:13+0000

    YAOGAN-31 K & QIANFAN-234 Collision Probability (Pc) Trend

    YAOGAN-31 K & QIANFAN-234 Collision Probability (Pc) TrendNot Available

    YAOGAN-31 K & QIANFAN-234 Miss Distance (Miss Distance) Trend

    YAOGAN-31 K & QIANFAN-234 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN-31 KMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-234Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN-31 KCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-234Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN-31 K

    No nearby objects data