🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.4 AU - 0.64 AU

Year: 136 Days

Day: 45.9 Hours

Environment

Temp: 248 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.82 AU - 0.84 AU

Year: 273 Days

Day: 16.7 Hours

Environment

Temp: 122 °C

Axial Tilt: 7.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.01 AU - 1.13 AU

Year: 400 Days

Day: 20.1 Hours

Environment

Temp: 34 °C

Axial Tilt: 2.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 87,552,455 km

• M1: 116,088 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.13 AU - 1.37 AU

Year: 505 Days

Day: 22 Hours

Environment

Temp: -2 °C

Axial Tilt: 18 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 87,552,455 km

• M1: 36,203 km (0.081 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.37 AU - 1.41 AU

Year: 593 Days

Day: 34.5 Hours

Environment

Temp: -14 °C

Axial Tilt: 80.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 3.95 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.4

Radius: 10

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.18 AU - 6.84 AU

Year: 6007 Days

Day: 10.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,552,455 km

• M1: 125,662 km (0.077 R)
• M2: 499,208 km (0.099 R)
• M3: 844,630 km (0.07 R)
• M4: 1,586,934 km (0.116 R)
• M5: 2,019,122 km (0.114 R)
• M6: 3,153,523 km (0.07 R)
• M7: 3,585,711 km (0.091 R)
• M8: 4,393,989 km (0.073 R)
• M9: 4,893,047 km (0.114 R)
• M10: 5,319,251 km (0.115 R)
• M11: 5,981,222 km (0.111 R)
• M12: 8,122,716 km (0.1 R)
• M13: 9,031,971 km (0.093 R)
• M14: 11,160,300 km (0.093 R)
• M15: 11,862,962 km (0.113 R)
• M16: 12,792,264 km (0.116 R)
• M17: 13,937,136 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.7

Radius: 13.6

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.74 AU - 14.12 AU

Year: 13975 Days

Day: 8.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,552,455 km

• M1: 169,345 km (0.106 R)
• M2: 1,100,143 km (0.056 R)
• M3: 1,593,068 km (0.109 R)
• M4: 3,045,813 km (0.112 R)
• M5: 4,535,807 km (0.117 R)
• M6: 5,671,106 km (0.039 R)
• M7: 6,323,801 km (0.083 R)
• M8: 9,079,843 km (0.077 R)
• M9: 10,170,710 km (0.105 R)
• M10: 11,136,365 km (0.046 R)
• M11: 12,957,719 km (0.049 R)
• M12: 13,487,295 km (0.114 R)
• M13: 15,751,459 km (0.075 R)
• M14: 16,973,973 km (0.093 R)
• M15: 18,040,306 km (0.108 R)
• M16: 19,684,237 km (0.112 R)
• M17: 23,097,014 km (0.093 R)
• M18: 32,991,118 km (0.065 R)
• M19: 33,538,047 km (0.108 R)
• M20: 34,650,308 km (0.055 R)
• M21: 37,183,598 km (0.105 R)
• M22: 39,961,481 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.7

Radius: 4.6

Gravity: 40.63 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 14.23 AU - 18.01 AU

Year: 23407 Days

Day: 15.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,552,455 km

• M1: 57,296 km (0.076 R)
• M2: 323,580 km (0.086 R)
• M3: 588,518 km (0.086 R)
• M4: 743,053 km (0.093 R)
• M5: 937,530 km (0.115 R)
• M6: 1,480,421 km (0.077 R)
• M7: 2,541,369 km (0.12 R)
• M8: 3,420,855 km (0.061 R)
• M9: 4,671,194 km (0.112 R)
• M10: 5,544,097 km (0.107 R)
• M11: 5,930,808 km (0.114 R)
• M12: 6,153,260 km (0.094 R)
• M13: 14,005,801 km (0.068 R)
• M14: 16,054,095 km (0.034 R)
• M15: 18,956,145 km (0.066 R)
• M16: 21,039,445 km (0.036 R)
• M17: 23,712,758 km (0.106 R)
• M18: 24,728,079 km (0.09 R)
• M19: 33,773,814 km (0.097 R)
• M20: 34,483,207 km (0.074 R)
• M21: 35,057,663 km (0.113 R)
• M22: 44,968,222 km (0.08 R)
• M23: 45,138,914 km (0.095 R)
• M24: 46,870,509 km (0.102 R)
• M25: 47,045,987 km (0.086 R)
• M26: 47,752,538 km (0.079 R)
• M27: 49,187,032 km (0.105 R)
• M28: 50,465,346 km (0.097 R)
• M29: 53,854,037 km (0.027 R)
• M30: 72,854,462 km (0.103 R)
• M31: 74,753,458 km (0.092 R)
• M32: 76,441,969 km (0.066 R)
• M33: 76,928,910 km (0.11 R)
• M34: 79,146,249 km (0.027 R)
• M35: 80,647,913 km (0.102 R)
• M36: 81,152,656 km (0.103 R)
• M37: 82,168,426 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.5

Radius: 6.9

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 14.97 AU - 21.59 AU

Year: 28265 Days

Day: 21.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 109 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,552,455 km

• M1: 89,908 km (0.088 R)
• M2: 310,715 km (0.105 R)
• M3: 538,702 km (0.106 R)
• M4: 764,744 km (0.108 R)
• M5: 1,640,939 km (0.103 R)
• M6: 2,377,260 km (0.114 R)
• M7: 4,516,210 km (0.102 R)
• M8: 4,809,871 km (0.086 R)
• M9: 5,274,223 km (0.069 R)
• M10: 9,341,938 km (0.059 R)
• M11: 12,598,385 km (0.108 R)
• M12: 12,815,002 km (0.093 R)
• M13: 18,049,581 km (0.112 R)
• M14: 26,985,960 km (0.108 R)
• M15: 28,076,379 km (0.097 R)
• M16: 31,523,563 km (0.037 R)
• M17: 38,785,492 km (0.112 R)
• M18: 44,533,641 km (0.117 R)
• M19: 54,754,765 km (0.103 R)
• M20: 67,530,872 km (0.099 R)
• M21: 69,536,381 km (0.03 R)
• M22: 70,667,341 km (0.119 R)
• M23: 74,369,290 km (0.111 R)
• M24: 80,905,969 km (0.104 R)
• M25: 84,697,677 km (0.069 R)
• M26: 87,552,453 km (0.094 R)

Kuiper Belt

Range: 30.3 - 50.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 20,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit