🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372

Radius: 9.6

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.69 AU - 1.03 AU

Year: 561 Days

Day: 11.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,842,949 km

• M1: 119,828 km (0.058 R)
• M2: 449,542 km (0.115 R)
• M3: 828,922 km (0.069 R)
• M4: 1,213,688 km (0.119 R)
• M5: 1,666,819 km (0.098 R)
• M6: 2,034,980 km (0.113 R)
• M7: 2,863,752 km (0.057 R)
• M8: 3,443,743 km (0.107 R)
• M9: 4,262,941 km (0.116 R)
• M10: 4,958,721 km (0.086 R)
• M11: 5,286,041 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.6

Radius: 14

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.71 AU - 5.15 AU

Year: 7694 Days

Day: 7.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,842,949 km

• M1: 175,179 km (0.048 R)
• M2: 725,998 km (0.035 R)
• M3: 1,187,657 km (0.07 R)
• M4: 1,696,889 km (0.119 R)
• M5: 2,478,238 km (0.12 R)
• M6: 3,307,459 km (0.119 R)
• M7: 4,341,929 km (0.097 R)
• M8: 5,236,374 km (0.051 R)
• M9: 6,461,132 km (0.076 R)
• M10: 7,160,502 km (0.065 R)
• M11: 8,667,401 km (0.055 R)
• M12: 9,244,251 km (0.043 R)
• M13: 10,524,659 km (0.107 R)
• M14: 11,233,603 km (0.038 R)
• M15: 12,137,025 km (0.105 R)
• M16: 12,803,633 km (0.109 R)
• M17: 13,553,118 km (0.06 R)
• M18: 15,394,668 km (0.045 R)
• M19: 17,328,370 km (0.12 R)
• M20: 23,924,888 km (0.101 R)
• M21: 24,796,894 km (0.075 R)
• M22: 27,540,519 km (0.097 R)
• M23: 28,498,394 km (0.066 R)
• M24: 33,408,346 km (0.057 R)
• M25: 40,304,060 km (0.107 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.2

Radius: 6.2

Gravity: 12.47 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.27 AU - 8.85 AU

Year: 14611 Days

Day: 20 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,842,949 km

• M1: 77,043 km (0.085 R)
• M2: 327,320 km (0.084 R)
• M3: 1,083,837 km (0.063 R)
• M4: 1,787,246 km (0.115 R)
• M5: 2,871,082 km (0.108 R)
• M6: 5,062,841 km (0.066 R)
• M7: 5,578,205 km (0.089 R)
• M8: 10,103,242 km (0.026 R)
• M9: 19,576,826 km (0.082 R)
• M10: 19,992,409 km (0.116 R)
• M11: 23,717,546 km (0.119 R)
• M12: 30,023,993 km (0.042 R)
• M13: 31,930,170 km (0.037 R)
• M14: 34,394,346 km (0.102 R)
• M15: 34,877,696 km (0.111 R)
• M16: 46,691,141 km (0.085 R)
• M17: 48,181,884 km (0.112 R)
• M18: 50,788,477 km (0.038 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.6

Radius: 6.4

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.69 AU - 10.45 AU

Year: 19201 Days

Day: 22.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,842,949 km

• M1: 79,736 km (0.091 R)
• M2: 331,359 km (0.06 R)
• M3: 656,884 km (0.109 R)
• M4: 1,422,526 km (0.034 R)
• M5: 1,809,536 km (0.119 R)
• M6: 3,517,196 km (0.083 R)
• M7: 3,784,677 km (0.119 R)
• M8: 4,933,139 km (0.076 R)
• M9: 5,817,412 km (0.035 R)
• M10: 7,692,323 km (0.09 R)
• M11: 25,909,005 km (0.062 R)
• M12: 26,458,478 km (0.105 R)
• M13: 31,759,179 km (0.047 R)
• M14: 38,195,927 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 17,141 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit