Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.619646E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-01T21:43:02+0800
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    1 Object 1

    AOE ID 61907
    NORAD ID 61907
    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 P SELENE
    Time of Closest Approach 2026-09-01T15:56:28+0000
    Collision Probability (Pc) 1.619646E-6
    Conjunction Distance (km) 2.639 km
    Relative Speed (km/s) 15.088 km/s
    Conjunction Risk Parameters R (Radial): 2.484 | I (In-track): 0.132 | C (Cross-track): 0.881
    Collision Risk Index (CRI) 0.39
    X Position (km) -4814.077 -4812.935
    Position Y (km) 4299.006 4296.793
    Position Z (km) 2390.11 2389.238
    Velocity X (km/s) -1.266 2.659
    Velocity Y (km/s) 2.533 -0.974
    Velocity Z (km/s) -7.071 7.069

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT P SELENE
    Semimajor Axis (a) 6890.949 km 6882.189 km
    Eccentricity (e) 0.001269 0.000597
    Inclination (i) 97.4065° 97.3926°
    RAAN 315.1228° 140.2851°
    Perigee Argument 147.0681° 80.6101°
    Mean Anomaly (M) 213.1345° 279.5809°
    Apogee 521.556 km 508.163 km
    Perigee 504.068 km 499.941 km
    Orbit Epoch 2026-09-01T07:19:48+0000 2026-08-31T22:28:43+0000

    OBJECT P & SELENE Collision Probability (Pc) Trend

    OBJECT P & SELENE Collision Probability (Pc) TrendNot Available

    OBJECT P & SELENE Miss Distance (Miss Distance) Trend

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

    OBJECT PMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SELENEMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT PCollision Probability Trend

    Object 1 Probability TrendNot Available

    SELENECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT P

    No nearby objects data