Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.173267E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T15:43:50+0800
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    1 Object 1

    AOE ID 61238
    NORAD ID 61238
    Object Type UNKNOWN
    Country
    CN CN
    ← VS →

    2 Object 2

    Name FEMTO-1
    AOE ID 68419
    NORAD ID 68419
    Object Type PAYLOAD
    Country
    BG BG

    Conjunction Constraints

    Parameter OBJECT A FEMTO-1
    Time of Closest Approach 2026-10-20T19:48:16+0000
    Collision Probability (Pc) 2.173267E-6
    Conjunction Distance (km) 1.807 km
    Relative Speed (km/s) 6.257 km/s
    Conjunction Risk Parameters R (Radial): -1.323 | I (In-track): -1.118 | C (Cross-track): 0.511
    Collision Risk Index (CRI) 0.42
    X Position (km) 978.369 978.677
    Position Y (km) 89.706 88.5
    Position Z (km) -6821.999 -6823.307
    Velocity X (km/s) 3.732 -2.433
    Velocity Y (km/s) -6.599 -7.178
    Velocity Z (km/s) 0.447 -0.443

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT A FEMTO-1
    Semimajor Axis (a) 6886.648 km 6885.324 km
    Eccentricity (e) 0.000327 0.000216
    Inclination (i) 97.4495° 97.4708°
    RAAN 299.1026° 249.3547°
    Perigee Argument 232.4098° 137.2412°
    Mean Anomaly (M) 127.6840° 222.8991°
    Apogee 510.760 km 508.671 km
    Perigee 506.262 km 505.703 km
    Orbit Epoch 2026-10-19T23:38:02+0000 2026-10-19T07:51:57+0000

    OBJECT A & FEMTO-1 Collision Probability (Pc) Trend

    OBJECT A & FEMTO-1 Collision Probability (Pc) TrendNot Available

    OBJECT A & FEMTO-1 Miss Distance (Miss Distance) Trend

    OBJECT A & FEMTO-1 Miss Distance (Miss Distance) TrendNot Available

    OBJECT AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FEMTO-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT ACollision Probability Trend

    Object 1 Probability TrendNot Available

    FEMTO-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT A

    No nearby objects data