Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.201699E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:19:18+0800
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    1 Object 1

    AOE ID 61898
    NORAD ID 61898
    Object Type UNKNOWN
    Country
    CN CN
    ← VS →

    2 Object 2

    Name SELENE
    AOE ID 69020
    NORAD ID 69020
    Object Type PAYLOAD
    Country
    GR GR

    Conjunction Constraints

    Parameter OBJECT E SELENE
    Time of Closest Approach 2026-10-22T03:57:38+0000
    Collision Probability (Pc) 6.201699E-6
    Conjunction Distance (km) 1.542 km
    Relative Speed (km/s) 15.057 km/s
    Conjunction Risk Parameters R (Radial): 1.384 | I (In-track): 0.108 | C (Cross-track): -0.671
    Collision Risk Index (CRI) 0.51
    X Position (km) 5930.994 5929.733
    Position Y (km) 648.124 648.67
    Position Z (km) -3440.721 -3440.024
    Velocity X (km/s) 3.886 -3.61
    Velocity Y (km/s) -0.714 -1.53
    Velocity Z (km/s) 6.515 -6.518

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT E SELENE
    Semimajor Axis (a) 6906.784 km 6880.922 km
    Eccentricity (e) 0.005265 0.000205
    Inclination (i) 97.3997° 97.3874°
    RAAN 359.3777° 187.5930°
    Perigee Argument 293.0207° 270.2928°
    Mean Anomaly (M) 66.5476° 89.8074°
    Apogee 565.013 km 504.193 km
    Perigee 492.281 km 501.377 km
    Orbit Epoch 2026-10-19T12:34:55+0000 2026-10-19T03:59:21+0000

    OBJECT E & SELENE Collision Probability (Pc) Trend

    OBJECT E & SELENE Collision Probability (Pc) TrendNot Available

    OBJECT E & SELENE Miss Distance (Miss Distance) Trend

    OBJECT E & SELENE Miss Distance (Miss Distance) TrendNot Available

    OBJECT EMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SELENEMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT ECollision Probability Trend

    Object 1 Probability TrendNot Available

    SELENECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT E

    No nearby objects data