Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.395009E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-29T08:18:02+0800
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    1 Object 1

    AOE ID 900
    NORAD ID 900
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 13302
    NORAD ID 13302
    Object Type ROCKET BODY
    Country
    CIS CIS

    Conjunction Constraints

    Parameter CALSPHERE 1 SL-8 R/B
    Time of Closest Approach 2026-10-29T03:11:40+0000
    Collision Probability (Pc) 1.395009E-6
    Conjunction Distance (km) 2.889 km
    Relative Speed (km/s) 14.636 km/s
    Conjunction Risk Parameters R (Radial): -0.516 | I (In-track): 0.293 | C (Cross-track): -2.826
    Collision Risk Index (CRI) 0.38
    X Position (km) -1052.109 -1054.84
    Position Y (km) -3982.925 -3982.212
    Position Z (km) 6096.199 6096.815
    Velocity X (km/s) -1.604 3.095
    Velocity Y (km/s) -5.874 5.359
    Velocity Z (km/s) -4.125 3.995

    Orbital Parameters 国际轨道数据源

    Parameter CALSPHERE 1 SL-8 R/B
    Semimajor Axis (a) 7353.595 km 7375.754 km
    Eccentricity (e) 0.002485 0.004017
    Inclination (i) 90.2220° 82.9308°
    RAAN 74.8330° 244.9943°
    Perigee Argument 249.9094° 123.9286°
    Mean Anomaly (M) 141.5248° 49.9214°
    Apogee 993.734 km 1027.242 km
    Perigee 957.182 km 967.992 km
    Orbit Epoch 2026-10-27T08:52:54+0000 2026-10-28T13:44:46+0000

    CALSPHERE 1 & SL-8 R/B Collision Probability (Pc) Trend

    CALSPHERE 1 & SL-8 R/B Collision Probability (Pc) TrendNot Available

    CALSPHERE 1 & SL-8 R/B Miss Distance (Miss Distance) Trend

    CALSPHERE 1 & SL-8 R/B Miss Distance (Miss Distance) TrendNot Available

    CALSPHERE 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SL-8 R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CALSPHERE 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    SL-8 R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CALSPHERE 1

    No nearby objects data