Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.525385E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T05:49:12+0800
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    1 Object 1

    AOE ID 43477
    NORAD ID 43477
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name CS1
    AOE ID 49261
    NORAD ID 49261
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter GRACE-FO 2 CS1
    Time of Closest Approach 2026-10-13T03:53:05+0000
    Collision Probability (Pc) 1.525385E-6
    Conjunction Distance (km) 2.747 km
    Relative Speed (km/s) 15.143 km/s
    Conjunction Risk Parameters R (Radial): 2.288 | I (In-track): 0.168 | C (Cross-track): -1.51
    Collision Risk Index (CRI) 0.39
    X Position (km) 3214.549 3215.524
    Position Y (km) 204.725 203.281
    Position Z (km) -6029.198 -6031.321
    Velocity X (km/s) -6.726 6.586
    Velocity Y (km/s) -0.145 -1.663
    Velocity Z (km/s) -3.588 3.466

    Orbital Parameters 国际轨道数据源

    Parameter GRACE-FO 2 CS1
    Semimajor Axis (a) 6823.848 km 6831.253 km
    Eccentricity (e) 0.000784 0.001144
    Inclination (i) 88.9998° 97.3630°
    RAAN 181.8918° 348.5763°
    Perigee Argument 33.2629° 28.1729°
    Mean Anomaly (M) 326.9119° 332.0132°
    Apogee 451.060 km 460.929 km
    Perigee 440.362 km 445.303 km
    Orbit Epoch 2026-10-12T06:33:56+0000 2026-10-12T03:10:04+0000

    GRACE-FO 2 & CS1 Collision Probability (Pc) Trend

    GRACE-FO 2 & CS1 Collision Probability (Pc) TrendNot Available

    GRACE-FO 2 & CS1 Miss Distance (Miss Distance) Trend

    GRACE-FO 2 & CS1 Miss Distance (Miss Distance) TrendNot Available

    GRACE-FO 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CS1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    GRACE-FO 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    CS1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with GRACE-FO 2

    No nearby objects data