Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.025482E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T07:19:18+0800
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    1 Object 1

    AOE ID 61908
    NORAD ID 61908
    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 Q SELENE
    Time of Closest Approach 2026-10-21T10:33:02+0000
    Collision Probability (Pc) 1.025482E-5
    Conjunction Distance (km) 1.328 km
    Relative Speed (km/s) 15.076 km/s
    Conjunction Risk Parameters R (Radial): 0.727 | I (In-track): 0.158 | C (Cross-track): -1.099
    Collision Risk Index (CRI) 0.55
    X Position (km) 6403.615 6402.805
    Position Y (km) 790.762 791.781
    Position Z (km) -2405.937 -2405.678
    Velocity X (km/s) 2.737 -2.481
    Velocity Y (km/s) -0.716 -1.358
    Velocity Z (km/s) 7.067 -7.063

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT Q SELENE
    Semimajor Axis (a) 6888.633 km 6880.922 km
    Eccentricity (e) 0.001117 0.000205
    Inclination (i) 97.4010° 97.3874°
    RAAN 2.3949° 187.5930°
    Perigee Argument 352.5529° 270.2928°
    Mean Anomaly (M) 7.5538° 89.8074°
    Apogee 518.192 km 504.193 km
    Perigee 502.800 km 501.377 km
    Orbit Epoch 2026-10-19T12:46:35+0000 2026-10-19T03:59:21+0000

    OBJECT Q & SELENE Collision Probability (Pc) Trend

    OBJECT Q & SELENE Collision Probability (Pc) TrendNot Available

    OBJECT Q & SELENE Miss Distance (Miss Distance) Trend

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

    OBJECT QMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SELENEMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT QCollision Probability Trend

    Object 1 Probability TrendNot Available

    SELENECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT Q

    No nearby objects data