🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.7 AU - 1.02 AU

Year: 304 Days

Day: 19.5 Hours

Environment

Temp: 16 °C

Axial Tilt: 9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.43 AU - 1.47 AU

Year: 665 Days

Day: 30.5 Hours

Environment

Temp: -42 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.27 AU - 1.97 AU

Year: 785 Days

Day: 39.9 Hours

Environment

Temp: -52 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,130,520 km

• M1: 1,013,974 km (0.094 R)

Asteroid Belt

Center: 1.9 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.86 AU - 2.48 AU

Year: 1217 Days

Day: 42.9 Hours

Environment

Temp: -78 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.29 AU - 2.81 AU

Year: 1551 Days

Day: 12.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.2

Radius: 11.2

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.84 AU - 7.56 AU

Year: 5879 Days

Day: 9 Hours

Environment

Temp: -150 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,130,520 km

• M1: 139,425 km (0.049 R)
• M2: 778,807 km (0.069 R)
• M3: 1,177,036 km (0.101 R)
• M4: 2,016,878 km (0.089 R)
• M5: 2,568,595 km (0.11 R)
• M6: 3,283,374 km (0.078 R)
• M7: 4,151,640 km (0.11 R)
• M8: 4,764,393 km (0.079 R)
• M9: 5,136,892 km (0.056 R)
• M10: 6,510,649 km (0.117 R)
• M11: 7,682,000 km (0.041 R)
• M12: 8,155,627 km (0.054 R)
• M13: 11,218,793 km (0.118 R)
• M14: 11,829,452 km (0.107 R)
• M15: 12,302,031 km (0.102 R)
• M16: 12,732,424 km (0.06 R)
• M17: 14,496,482 km (0.111 R)
• M18: 17,006,436 km (0.071 R)
• M19: 18,364,186 km (0.076 R)
• M20: 22,231,141 km (0.101 R)
• M21: 24,019,434 km (0.116 R)
• M22: 25,639,280 km (0.09 R)
• M23: 36,144,491 km (0.068 R)
• M24: 37,028,914 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.6

Radius: 14.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 7.68 AU - 11.38 AU

Year: 11203 Days

Day: 13.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,130,520 km

• M1: 177,872 km (0.086 R)
• M2: 2,594,027 km (0.087 R)
• M3: 3,379,416 km (0.055 R)
• M4: 4,943,462 km (0.088 R)
• M5: 5,526,445 km (0.074 R)
• M6: 6,524,711 km (0.081 R)
• M7: 7,682,150 km (0.077 R)
• M8: 9,113,652 km (0.073 R)
• M9: 9,893,057 km (0.094 R)
• M10: 10,454,348 km (0.109 R)
• M11: 11,199,495 km (0.095 R)
• M12: 12,151,835 km (0.078 R)
• M13: 12,975,970 km (0.11 R)
• M14: 15,334,231 km (0.042 R)
• M15: 17,519,706 km (0.065 R)
• M16: 21,982,510 km (0.094 R)
• M17: 26,562,448 km (0.067 R)
• M18: 28,662,952 km (0.106 R)
• M19: 34,569,525 km (0.099 R)
• M20: 43,371,415 km (0.076 R)
• M21: 46,561,140 km (0.058 R)
• M22: 48,286,004 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.8

Radius: 4.9

Gravity: 13.15 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 14.15 AU - 20.27 AU

Year: 27187 Days

Day: 23.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,130,520 km

• M1: 61,335 km (0.091 R)
• M2: 254,466 km (0.087 R)
• M3: 488,287 km (0.107 R)
• M4: 646,113 km (0.091 R)
• M5: 1,479,523 km (0.106 R)
• M6: 2,249,802 km (0.108 R)
• M7: 2,943,787 km (0.09 R)
• M8: 3,231,015 km (0.104 R)
• M9: 3,861,420 km (0.119 R)
• M10: 5,952,350 km (0.091 R)
• M11: 6,116,758 km (0.117 R)
• M12: 6,804,908 km (0.109 R)
• M13: 8,181,657 km (0.082 R)
• M14: 10,851,231 km (0.09 R)
• M15: 14,268,495 km (0.087 R)
• M16: 15,242,078 km (0.113 R)
• M17: 16,906,803 km (0.102 R)
• M18: 18,776,926 km (0.039 R)
• M19: 19,309,944 km (0.102 R)
• M20: 22,721,972 km (0.08 R)
• M21: 23,531,147 km (0.103 R)
• M22: 30,222,659 km (0.066 R)
• M23: 36,409,878 km (0.085 R)
• M24: 36,960,548 km (0.09 R)
• M25: 38,931,948 km (0.053 R)
• M26: 43,544,200 km (0.058 R)
• M27: 50,185,747 km (0.114 R)
• M28: 51,902,233 km (0.077 R)
• M29: 56,731,402 km (0.118 R)
• M30: 56,915,856 km (0.074 R)
• M31: 57,471,463 km (0.11 R)
• M32: 70,414,671 km (0.093 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 11,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit