Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.544907E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-15T06:26:27+0800
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    1 Object 1

    AOE ID 31702
    NORAD ID 31702
    Object Type ROCKET BODY
    Country
    US US
    VS

    2 Object 2

    AOE ID 64135
    NORAD ID 64135
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ATLAS 5 CENTAUR R/B STARLINK-11712
    Time of Closest Approach 2026-09-16T07:37:33+0000
    Collision Probability (Pc) 1.544907E-6
    Conjunction Distance (km) 1.964 km
    Relative Speed (km/s) 5.081 km/s
    Conjunction Risk Parameters R (Radial): 1.933 | I (In-track): -0.323 | C (Cross-track): 0.123
    Collision Risk Index (CRI) 0.39
    X Position (km) 4502.104 4503.368
    Position Y (km) -2420.449 -2421.458
    Position Z (km) 4369.955 4371.068
    Velocity X (km/s) -1.433 2.311
    Velocity Y (km/s) 6.063 7.171
    Velocity Z (km/s) 4.837 1.588

    Orbital Parameters 国际轨道数据源

    Parameter ATLAS 5 CENTAUR R/B STARLINK-11712
    Semimajor Axis (a) 7077.669 km 6734.644 km
    Eccentricity (e) 0.049240 0.000125
    Inclination (i) 63.3061° 43.0005°
    RAAN 311.6387° 276.3852°
    Perigee Argument 45.3068° 262.9059°
    Mean Anomaly (M) 318.7040° 97.1666°
    Apogee 1048.036 km 357.348 km
    Perigee 351.028 km 355.666 km
    Orbit Epoch 2026-09-14T14:16:50+0000 2026-09-14T11:04:33+0000

    ATLAS 5 CENTAUR R/B & STARLINK-11712 Collision Probability (Pc) Trend

    ATLAS 5 CENTAUR R/B & STARLINK-11712 Collision Probability (Pc) TrendNot Available

    ATLAS 5 CENTAUR R/B & STARLINK-11712 Miss Distance (Miss Distance) Trend

    ATLAS 5 CENTAUR R/B & STARLINK-11712 Miss Distance (Miss Distance) TrendNot Available

    ATLAS 5 CENTAUR R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-11712Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ATLAS 5 CENTAUR R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-11712Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ATLAS 5 CENTAUR R/B

    No nearby objects data