🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.41 AU - 0.63 AU

Year: 134 Days

Day: 14.5 Hours

Environment

Temp: 215 °C

Axial Tilt: 41.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 106,046,755 km

• M1: 251,025 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.01 AU - 1.15 AU

Year: 402 Days

Day: 45.1 Hours

Environment

Temp: 28 °C

Axial Tilt: 21 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 1.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.43 AU - 1.79 AU

Year: 732 Days

Day: 41.4 Hours

Environment

Temp: -41 °C

Axial Tilt: 45.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.96 AU - 4.7 AU

Year: 2685 Days

Day: 47.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.5

Radius: 13.8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.58 AU - 6.4 AU

Year: 4607 Days

Day: 11.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 106,046,755 km

• M1: 171,589 km (0.045 R)
• M2: 826,678 km (0.062 R)
• M3: 1,910,664 km (0.104 R)
• M4: 3,135,123 km (0.097 R)
• M5: 3,864,711 km (0.095 R)
• M6: 5,037,110 km (0.088 R)
• M7: 5,663,925 km (0.069 R)
• M8: 8,296,249 km (0.053 R)
• M9: 8,977,219 km (0.116 R)
• M10: 9,532,227 km (0.046 R)
• M11: 10,237,132 km (0.084 R)
• M12: 11,611,936 km (0.034 R)
• M13: 14,136,849 km (0.076 R)
• M14: 15,276,037 km (0.091 R)
• M15: 16,358,527 km (0.109 R)
• M16: 17,736,772 km (0.063 R)
• M17: 18,740,125 km (0.101 R)
• M18: 19,386,388 km (0.111 R)
• M19: 21,066,971 km (0.096 R)
• M20: 22,624,733 km (0.067 R)
• M21: 26,690,953 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.7

Radius: 4.1

Gravity: 25.15 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 12.15 AU - 15.49 AU

Year: 18401 Days

Day: 24.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 106,046,755 km

• M1: 54,902 km (0.119 R)
• M2: 204,949 km (0.094 R)
• M3: 973,583 km (0.073 R)
• M4: 1,216,380 km (0.082 R)
• M5: 2,076,119 km (0.075 R)
• M6: 3,853,192 km (0.108 R)
• M7: 5,125,522 km (0.044 R)
• M8: 6,907,233 km (0.12 R)
• M9: 10,861,105 km (0.106 R)
• M10: 11,152,820 km (0.118 R)
• M11: 16,252,163 km (0.1 R)
• M12: 18,056,613 km (0.08 R)
• M13: 18,631,218 km (0.102 R)
• M14: 19,049,045 km (0.057 R)
• M15: 21,051,861 km (0.109 R)
• M16: 22,903,883 km (0.113 R)
• M17: 25,572,410 km (0.081 R)
• M18: 27,354,719 km (0.081 R)
• M19: 30,931,305 km (0.034 R)
• M20: 34,306,083 km (0.1 R)
• M21: 39,677,993 km (0.117 R)
• M22: 43,505,754 km (0.116 R)
• M23: 49,617,724 km (0.114 R)
• M24: 51,885,179 km (0.073 R)
• M25: 54,390,195 km (0.108 R)
• M26: 59,279,652 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.4

Radius: 7.8

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 11.5 AU - 16.34 AU

Year: 18601 Days

Day: 15.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 106,046,755 km

• M1: 98,286 km (0.079 R)
• M2: 358,885 km (0.093 R)
• M3: 647,908 km (0.1 R)
• M4: 937,679 km (0.093 R)
• M5: 1,500,915 km (0.112 R)
• M6: 2,077,017 km (0.107 R)
• M7: 2,746,168 km (0.059 R)
• M8: 3,389,289 km (0.089 R)
• M9: 4,314,103 km (0.082 R)
• M10: 7,258,638 km (0.093 R)
• M11: 8,580,635 km (0.077 R)
• M12: 9,141,477 km (0.085 R)
• M13: 10,393,013 km (0.106 R)
• M14: 12,065,966 km (0.081 R)
• M15: 13,500,909 km (0.081 R)
• M16: 15,265,416 km (0.116 R)
• M17: 15,936,811 km (0.091 R)
• M18: 17,258,209 km (0.091 R)
• M19: 17,579,545 km (0.118 R)
• M20: 19,160,346 km (0.111 R)
• M21: 21,845,777 km (0.093 R)
• M22: 24,367,848 km (0.113 R)
• M23: 25,491,028 km (0.115 R)
• M24: 26,223,460 km (0.114 R)
• M25: 27,621,003 km (0.058 R)
• M26: 27,950,417 km (0.117 R)
• M27: 31,034,078 km (0.089 R)
• M28: 32,841,669 km (0.064 R)
• M29: 33,335,193 km (0.089 R)
• M30: 42,211,134 km (0.112 R)
• M31: 42,794,715 km (0.112 R)
• M32: 43,828,885 km (0.115 R)
• M33: 45,640,216 km (0.051 R)
• M34: 46,409,598 km (0.097 R)
• M35: 49,250,761 km (0.045 R)
• M36: 56,326,740 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761

Radius: 3.2

Gravity: 74.32 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 15.73 AU - 23.59 AU

Year: 31221 Days

Day: 22.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 106,046,755 km

• M1: 43,234 km (0.089 R)
• M2: 227,538 km (0.085 R)
• M3: 369,656 km (0.113 R)
• M4: 524,640 km (0.083 R)
• M5: 711,039 km (0.113 R)
• M6: 1,924,577 km (0.061 R)
• M7: 2,080,308 km (0.074 R)
• M8: 3,384,801 km (0.08 R)
• M9: 3,546,068 km (0.11 R)
• M10: 4,169,592 km (0.091 R)
• M11: 4,822,587 km (0.108 R)
• M12: 5,856,607 km (0.06 R)
• M13: 7,616,476 km (0.079 R)
• M14: 11,910,534 km (0.097 R)
• M15: 12,435,173 km (0.087 R)
• M16: 13,370,310 km (0.047 R)
• M17: 15,117,912 km (0.079 R)
• M18: 16,918,173 km (0.04 R)
• M19: 20,509,868 km (0.086 R)
• M20: 29,828,918 km (0.043 R)
• M21: 32,787,066 km (0.09 R)
• M22: 34,112,503 km (0.097 R)
• M23: 35,473,245 km (0.104 R)
• M24: 42,476,071 km (0.093 R)
• M25: 46,207,940 km (0.106 R)
• M26: 48,813,486 km (0.058 R)
• M27: 50,733,575 km (0.094 R)
• M28: 52,305,400 km (0.066 R)
• M29: 55,339,394 km (0.108 R)
• M30: 55,752,583 km (0.081 R)
• M31: 59,132,448 km (0.116 R)
• M32: 62,199,803 km (0.09 R)
• M33: 62,646,352 km (0.072 R)
• M34: 67,466,097 km (0.1 R)
• M35: 76,804,893 km (0.084 R)
• M36: 80,981,666 km (0.08 R)
• M37: 85,032,477 km (0.117 R)
• M38: 90,640,751 km (0.082 R)
• M39: 94,121,296 km (0.066 R)
• M40: 95,597,527 km (0.043 R)
• M41: 96,789,523 km (0.109 R)
• M42: 100,731,726 km (0.112 R)

Kuiper Belt

Range: 30.6 - 47.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 10,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit