Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.255618E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T20:39:41+0800
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    1 Object 1

    AOE ID 6237
    NORAD ID 6237
    Object Type ROCKET BODY
    Country
    US US
    VS

    2 Object 2

    AOE ID 68642
    NORAD ID 68642
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 R/B QIANFAN-115
    Time of Closest Approach 2026-09-12T15:02:37+0000
    Collision Probability (Pc) 2.255618E-6
    Conjunction Distance (km) 2.19 km
    Relative Speed (km/s) 14.358 km/s
    Conjunction Risk Parameters R (Radial): -2.117 | I (In-track): 0.154 | C (Cross-track): 0.533
    Collision Risk Index (CRI) 0.42
    X Position (km) -2665.31 -2664.105
    Position Y (km) 2780.402 2779.936
    Position Z (km) -6385.702 -6383.935
    Velocity X (km/s) -1.743 4.144
    Velocity Y (km/s) 6.382 -4.685
    Velocity Z (km/s) 3.227 -3.772

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 R/B QIANFAN-115
    Semimajor Axis (a) 7567.744 km 7446.632 km
    Eccentricity (e) 0.036166 0.000220
    Inclination (i) 102.8051° 88.9879°
    RAAN 109.7591° 312.2429°
    Perigee Argument 235.3279° 95.3093°
    Mean Anomaly (M) 282.8924° 264.8308°
    Apogee 1463.303 km 1070.131 km
    Perigee 915.911 km 1066.859 km
    Orbit Epoch 2026-09-11T01:56:16+0000 2026-09-11T05:52:13+0000

    DELTA 1 R/B & QIANFAN-115 Collision Probability (Pc) Trend

    DELTA 1 R/B & QIANFAN-115 Collision Probability (Pc) TrendNot Available

    DELTA 1 R/B & QIANFAN-115 Miss Distance (Miss Distance) Trend

    DELTA 1 R/B & QIANFAN-115 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-115Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-115Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 R/B

    No nearby objects data