Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.548474E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T14:24:21+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 58555
    NORAD ID 58555
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 66249
    NORAD ID 66249
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter HONGHU 2 STARLINK-35304
    Time of Closest Approach 2026-09-07T09:39:27+0000
    Collision Probability (Pc) 5.548474E-6
    Conjunction Distance (km) 1.482 km
    Relative Speed (km/s) 10.55 km/s
    Conjunction Risk Parameters R (Radial): -1.389 | I (In-track): -0.362 | C (Cross-track): 0.363
    Collision Risk Index (CRI) 0.5
    X Position (km) 2661.995 2662.114
    Position Y (km) 3300.038 3300.603
    Position Z (km) -5383.326 -5384.69
    Velocity X (km/s) -2.472 -6.67
    Velocity Y (km/s) -5.55 3.499
    Velocity Z (km/s) -4.589 -1.154

    Orbital Parameters 国际轨道数据源

    Parameter HONGHU 2 STARLINK-35304
    Semimajor Axis (a) 6834.309 km 6848.881 km
    Eccentricity (e) 0.004211 0.000107
    Inclination (i) 97.2845° 53.1568°
    RAAN 238.0276° 170.9808°
    Perigee Argument 354.3742° 89.4092°
    Mean Anomaly (M) 5.7023° 270.7032°
    Apogee 484.950 km 471.474 km
    Perigee 427.394 km 470.014 km
    Orbit Epoch 2026-09-04T22:49:14+0000 2026-09-04T19:27:36+0000

    HONGHU 2 & STARLINK-35304 Collision Probability (Pc) Trend

    HONGHU 2 & STARLINK-35304 Collision Probability (Pc) TrendNot Available

    HONGHU 2 & STARLINK-35304 Miss Distance (Miss Distance) Trend

    HONGHU 2 & STARLINK-35304 Miss Distance (Miss Distance) TrendNot Available

    HONGHU 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35304Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    HONGHU 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35304Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with HONGHU 2

    No nearby objects data