Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.727589E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T05:04:34+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 59536
    NORAD ID 59536
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63996
    NORAD ID 63996
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31721 STARLINK-34158
    Time of Closest Approach 2026-10-21T15:00:53+0000
    Collision Probability (Pc) 4.727589E-6
    Conjunction Distance (km) 1.05 km
    Relative Speed (km/s) 1.319 km/s
    Conjunction Risk Parameters R (Radial): -1.049 | I (In-track): 0.005 | C (Cross-track): 0
    Collision Risk Index (CRI) 0.48
    X Position (km) 2160.319 2159.984
    Position Y (km) 4554.224 4553.53
    Position Z (km) -4659.18 -4658.468
    Velocity X (km/s) -6.664 -7.049
    Velocity Y (km/s) 3.658 2.85
    Velocity Z (km/s) 0.487 -0.481

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31721 STARLINK-34158
    Semimajor Axis (a) 6861.193 km 6861.141 km
    Eccentricity (e) 0.000073 0.000193
    Inclination (i) 43.0022° 42.9974°
    RAAN 161.9862° 176.5541°
    Perigee Argument 283.6414° 269.8596°
    Mean Anomaly (M) 76.4356° 90.2034°
    Apogee 483.559 km 484.326 km
    Perigee 482.553 km 481.682 km
    Orbit Epoch 2026-10-19T00:36:48+0000 2026-10-19T00:39:44+0000

    STARLINK-31721 & STARLINK-34158 Collision Probability (Pc) Trend

    STARLINK-31721 & STARLINK-34158 Collision Probability (Pc) TrendNot Available

    STARLINK-31721 & STARLINK-34158 Miss Distance (Miss Distance) Trend

    STARLINK-31721 & STARLINK-34158 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31721Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34158Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31721Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34158Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31721

    No nearby objects data