🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.6

Radius: 8.4

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.05 AU - 1.35 AU

Year: 924 Days

Day: 9.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,309,561 km

• M1: 104,719 km (0.06 R)
• M2: 420,220 km (0.111 R)
• M3: 703,708 km (0.076 R)
• M4: 1,018,911 km (0.077 R)
• M5: 1,367,175 km (0.113 R)
• M6: 1,995,037 km (0.091 R)
• M7: 2,330,436 km (0.03 R)
• M8: 2,606,444 km (0.103 R)
• M9: 3,129,288 km (0.085 R)
• M10: 3,843,768 km (0.042 R)
• M11: 5,104,130 km (0.081 R)
• M12: 5,985,710 km (0.096 R)
• M13: 6,597,416 km (0.11 R)
• M14: 7,996,605 km (0.098 R)
• M15: 8,958,668 km (0.05 R)
• M16: 9,641,732 km (0.032 R)
• M17: 10,206,614 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.9

Radius: 13.3

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.98 AU - 1.62 AU

Year: 1042 Days

Day: 15 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,309,561 km

• M1: 165,455 km (0.036 R)
• M2: 626,965 km (0.027 R)
• M3: 1,526,347 km (0.102 R)
• M4: 2,310,689 km (0.111 R)
• M5: 2,732,555 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.1

Radius: 8

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.48 AU - 2.4 AU

Year: 1899 Days

Day: 14 Hours

Environment

Temp: -204 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,309,561 km

• M1: 99,483 km (0.11 R)
• M2: 541,544 km (0.073 R)
• M3: 957,127 km (0.109 R)
• M4: 1,425,668 km (0.056 R)
• M5: 2,831,439 km (0.105 R)
• M6: 3,365,952 km (0.064 R)
• M7: 3,664,849 km (0.089 R)
• M8: 5,208,399 km (0.114 R)
• M9: 7,028,856 km (0.115 R)
• M10: 7,760,539 km (0.049 R)
• M11: 8,361,175 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.5

Radius: 7.7

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.48 AU - 6.32 AU

Year: 10074 Days

Day: 17.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 38,309,561 km

• M1: 95,743 km (0.108 R)
• M2: 583,132 km (0.084 R)
• M3: 2,430,965 km (0.116 R)
• M4: 3,359,819 km (0.11 R)
• M5: 3,841,524 km (0.04 R)
• M6: 4,972,484 km (0.054 R)
• M7: 6,597,565 km (0.108 R)
• M8: 7,120,410 km (0.074 R)
• M9: 8,206,640 km (0.079 R)
• M10: 9,353,158 km (0.117 R)
• M11: 9,964,864 km (0.066 R)
• M12: 10,603,048 km (0.083 R)
• M13: 10,957,745 km (0.036 R)
• M14: 12,512,366 km (0.118 R)
• M15: 13,080,987 km (0.094 R)
• M16: 13,785,893 km (0.076 R)
• M17: 15,399,904 km (0.114 R)
• M18: 18,998,481 km (0.075 R)
• M19: 20,286,818 km (0.113 R)
• M20: 20,676,670 km (0.09 R)
• M21: 21,632,450 km (0.117 R)
• M22: 23,717,994 km (0.086 R)
• M23: 25,933,988 km (0.108 R)
• M24: 27,139,148 km (0.103 R)
• M25: 27,803,363 km (0.039 R)
• M26: 28,868,948 km (0.115 R)
• M27: 30,773,180 km (0.062 R)
• M28: 32,228,767 km (0.118 R)
• M29: 34,166,957 km (0.116 R)
• M30: 36,181,591 km (0.07 R)
• M31: 39,109,371 km (0.089 R)
• M32: 39,470,949 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741

Radius: 3.3

Gravity: 68.04 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.8 AU - 7.54 AU

Year: 10773 Days

Day: 23 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 38,309,561 km

• M1: 40,990 km (0.105 R)
• M2: 170,990 km (0.12 R)
• M3: 342,430 km (0.072 R)
• M4: 764,296 km (0.104 R)
• M5: 991,684 km (0.094 R)
• M6: 1,115,551 km (0.026 R)
• M7: 1,436,140 km (0.067 R)
• M8: 1,655,899 km (0.108 R)
• M9: 1,983,518 km (0.105 R)
• M10: 2,126,085 km (0.104 R)
• M11: 3,896,426 km (0.068 R)
• M12: 4,235,565 km (0.048 R)
• M13: 4,875,993 km (0.098 R)
• M14: 5,070,171 km (0.114 R)
• M15: 6,935,208 km (0.088 R)
• M16: 7,347,948 km (0.111 R)
• M17: 8,731,429 km (0.074 R)
• M18: 9,659,983 km (0.085 R)
• M19: 9,966,509 km (0.075 R)
• M20: 10,122,091 km (0.072 R)
• M21: 10,332,127 km (0.07 R)
• M22: 10,869,931 km (0.045 R)
• M23: 11,201,290 km (0.097 R)
• M24: 11,826,460 km (0.099 R)
• M25: 12,474,518 km (0.114 R)
• M26: 12,655,232 km (0.107 R)
• M27: 17,014,514 km (0.08 R)
• M28: 17,687,405 km (0.089 R)
• M29: 18,145,623 km (0.074 R)
• M30: 22,901,639 km (0.085 R)
• M31: 23,721,286 km (0.063 R)
• M32: 26,002,204 km (0.101 R)
• M33: 27,296,675 km (0.101 R)
• M34: 39,882,044 km (0.026 R)
• M35: 42,410,099 km (0.112 R)
• M36: 43,644,132 km (0.049 R)
• M37: 46,905,964 km (0.103 R)
• M38: 48,373,519 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.1

Radius: 5.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.56 AU - 9.22 AU

Year: 15578 Days

Day: 15.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,309,561 km

• M1: 111,450 km (0.093 R)
• M2: 348,862 km (0.089 R)
• M3: 1,559,408 km (0.102 R)
• M4: 1,853,817 km (0.107 R)
• M5: 2,685,880 km (0.117 R)
• M6: 3,239,093 km (0.07 R)
• M7: 5,958,184 km (0.056 R)
• M8: 6,642,295 km (0.103 R)
• M9: 8,370,898 km (0.109 R)
• M10: 9,405,517 km (0.12 R)
• M11: 16,331,450 km (0.089 R)
• M12: 16,988,933 km (0.113 R)
• M13: 17,732,284 km (0.091 R)
• M14: 21,541,944 km (0.115 R)
• M15: 23,553,736 km (0.04 R)
• M16: 25,164,007 km (0.112 R)
• M17: 30,828,232 km (0.109 R)
• M18: 35,840,807 km (0.05 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 14,171 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit