Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.086787E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:04:38+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53721
    NORAD ID 53721
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 57031
    NORAD ID 57031
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4707 OBJECT AD
    Time of Closest Approach 2026-09-04T09:03:49+0000
    Collision Probability (Pc) 2.086787E-6
    Conjunction Distance (km) 2.278 km
    Relative Speed (km/s) 14.557 km/s
    Conjunction Risk Parameters R (Radial): -0.166 | I (In-track): 0.686 | C (Cross-track): -2.165
    Collision Risk Index (CRI) 0.41
    X Position (km) 5941.121 5940.98
    Position Y (km) 593.266 591.204
    Position Z (km) -3347.416 -3348.372
    Velocity X (km/s) -3.215 3.779
    Velocity Y (km/s) 4.949 -0.77
    Velocity Z (km/s) -4.836 6.578

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4707 OBJECT AD
    Semimajor Axis (a) 6840.884 km 6833.402 km
    Eccentricity (e) 0.000097 0.000860
    Inclination (i) 53.1605° 97.5007°
    RAAN 171.6921° 359.6575°
    Perigee Argument 88.6645° 154.8769°
    Mean Anomaly (M) 271.4469° 205.2896°
    Apogee 463.413 km 461.145 km
    Perigee 462.081 km 449.385 km
    Orbit Epoch 2026-09-02T01:24:19+0000 2026-09-02T15:00:11+0000

    STARLINK-4707 & OBJECT AD Collision Probability (Pc) Trend

    STARLINK-4707 & OBJECT AD Collision Probability (Pc) TrendNot Available

    STARLINK-4707 & OBJECT AD Miss Distance (Miss Distance) Trend

    STARLINK-4707 & OBJECT AD Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4707Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT ADMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4707Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ADCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4707

    No nearby objects data