Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.641407E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-01T12:25:11+0800
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    1 Object 1

    AOE ID 40968
    NORAD ID 40968
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    Name SPHEREX
    AOE ID 63182
    NORAD ID 63182
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter BISONSAT SPHEREX
    Time of Closest Approach 2026-09-01T09:19:39+0000
    Collision Probability (Pc) 3.641407E-6
    Conjunction Distance (km) 1.559 km
    Relative Speed (km/s) 7.162 km/s
    Conjunction Risk Parameters R (Radial): -0.249 | I (In-track): 1.348 | C (Cross-track): 0.744
    Collision Risk Index (CRI) 0.46
    X Position (km) -2321.46 -2322.525
    Position Y (km) -3640.043 -3640.931
    Position Z (km) -5550.227 -5549.515
    Velocity X (km/s) 6.686 1.682
    Velocity Y (km/s) 0.819 5.791
    Velocity Z (km/s) -3.264 -4.497

    Orbital Parameters 国际轨道数据源

    Parameter BISONSAT SPHEREX
    Semimajor Axis (a) 6956.040 km 7025.875 km
    Eccentricity (e) 0.012539 0.000936
    Inclination (i) 64.7758° 97.9600°
    RAAN 21.7752° 66.9152°
    Perigee Argument 24.3181° 317.5688°
    Mean Anomaly (M) 336.3779° 42.4796°
    Apogee 665.125 km 654.315 km
    Perigee 490.681 km 641.161 km
    Orbit Epoch 2026-08-31T21:01:38+0000 2026-08-31T11:05:50+0000

    BISONSAT & SPHEREX Collision Probability (Pc) Trend

    BISONSAT & SPHEREX Collision Probability (Pc) TrendNot Available

    BISONSAT & SPHEREX Miss Distance (Miss Distance) Trend

    BISONSAT & SPHEREX Miss Distance (Miss Distance) TrendNot Available

    BISONSATMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SPHEREXMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    BISONSATCollision Probability Trend

    Object 1 Probability TrendNot Available

    SPHEREXCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with BISONSAT

    No nearby objects data