Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.679727E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T06:32:58+0800
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    1 Object 1

    AOE ID 8874
    NORAD ID 8874
    Object Type ROCKET BODY
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 47533
    NORAD ID 47533
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter SL-8 R/B YAOGAN-31 E
    Time of Closest Approach 2026-10-31T06:54:56+0000
    Collision Probability (Pc) 2.679727E-6
    Conjunction Distance (km) 2.021 km
    Relative Speed (km/s) 13.93 km/s
    Conjunction Risk Parameters R (Radial): 1.754 | I (In-track): 0.334 | C (Cross-track): 0.948
    Collision Risk Index (CRI) 0.44
    X Position (km) -6217.009 -6218.77
    Position Y (km) 1146.871 1146.193
    Position Z (km) 3738.283 3739.008
    Velocity X (km/s) -3.864 2.417
    Velocity Y (km/s) -0.355 -4.373
    Velocity Z (km/s) -6.272 5.494

    Orbital Parameters 国际轨道数据源

    Parameter SL-8 R/B YAOGAN-31 E
    Semimajor Axis (a) 7358.753 km 7467.154 km
    Eccentricity (e) 0.002539 0.018851
    Inclination (i) 82.9606° 63.4003°
    RAAN 354.5129° 154.0602°
    Perigee Argument 104.2515° 1.2286°
    Mean Anomaly (M) 256.1464° 358.9165°
    Apogee 999.302 km 1229.784 km
    Perigee 961.930 km 948.250 km
    Orbit Epoch 2026-10-30T05:45:03+0000 2026-10-30T14:41:45+0000

    SL-8 R/B & YAOGAN-31 E Collision Probability (Pc) Trend

    SL-8 R/B & YAOGAN-31 E Collision Probability (Pc) TrendNot Available

    SL-8 R/B & YAOGAN-31 E Miss Distance (Miss Distance) Trend

    SL-8 R/B & YAOGAN-31 E Miss Distance (Miss Distance) TrendNot Available

    SL-8 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAOGAN-31 EMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-8 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAOGAN-31 ECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-8 R/B

    No nearby objects data