🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.68 AU - 0.86 AU

Year: 236 Days

Day: 22.9 Hours

Environment

Temp: 148 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.52 AU - 1.56 AU

Year: 669 Days

Day: 13.9 Hours

Environment

Temp: 3 °C

Axial Tilt: 37.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.49 AU - 2.11 AU

Year: 845 Days

Day: 40.4 Hours

Environment

Temp: -38 °C

Axial Tilt: 41.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,467,524 km

• M1: 38,895 km (0.119 R)
• M2: 59,091 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.95 AU - 2.23 AU

Year: 1057 Days

Day: 12.2 Hours

Environment

Temp: -52 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.03 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.5

Radius: 10.6

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.29 AU - 6.63 AU

Year: 5090 Days

Day: 14 Hours

Environment

Temp: -131 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,467,524 km

• M1: 131,796 km (0.109 R)
• M2: 929,452 km (0.116 R)
• M3: 1,581,100 km (0.102 R)
• M4: 2,169,917 km (0.107 R)
• M5: 2,842,659 km (0.113 R)
• M6: 3,259,438 km (0.034 R)
• M7: 4,470,882 km (0.073 R)
• M8: 5,236,524 km (0.09 R)
• M9: 6,055,572 km (0.11 R)
• M10: 6,647,531 km (0.086 R)
• M11: 7,169,927 km (0.091 R)
• M12: 8,218,458 km (0.08 R)
• M13: 11,876,575 km (0.119 R)
• M14: 12,232,019 km (0.113 R)
• M15: 13,070,964 km (0.061 R)
• M16: 13,504,649 km (0.088 R)
• M17: 14,458,185 km (0.093 R)
• M18: 15,941,149 km (0.062 R)
• M19: 17,851,664 km (0.055 R)
• M20: 19,839,071 km (0.095 R)
• M21: 21,818,251 km (0.068 R)
• M22: 22,894,608 km (0.074 R)
• M23: 24,411,680 km (0.102 R)
• M24: 26,854,763 km (0.084 R)
• M25: 28,813,747 km (0.068 R)
• M26: 32,914,374 km (0.097 R)
• M27: 33,415,228 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.2

Radius: 13.8

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.12 AU - 7.14 AU

Year: 6661 Days

Day: 15 Hours

Environment

Temp: -152 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,467,524 km

• M1: 175,030 km (0.12 R)
• M2: 645,066 km (0.071 R)
• M3: 1,110,315 km (0.113 R)
• M4: 1,564,195 km (0.091 R)
• M5: 3,545,470 km (0.111 R)
• M6: 4,405,208 km (0.057 R)
• M7: 5,109,515 km (0.042 R)
• M8: 7,130,433 km (0.107 R)
• M9: 8,581,831 km (0.053 R)
• M10: 10,360,101 km (0.119 R)
• M11: 14,810,040 km (0.105 R)
• M12: 15,526,913 km (0.055 R)
• M13: 19,748,116 km (0.101 R)
• M14: 22,121,486 km (0.091 R)
• M15: 22,586,885 km (0.096 R)
• M16: 25,433,134 km (0.036 R)
• M17: 34,350,214 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.4

Radius: 6.2

Gravity: 20.95 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 10.4 AU - 17.12 AU

Year: 17857 Days

Day: 18.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,467,524 km

• M1: 77,342 km (0.083 R)
• M2: 308,620 km (0.094 R)
• M3: 746,493 km (0.085 R)
• M4: 958,773 km (0.076 R)
• M5: 1,384,528 km (0.119 R)
• M6: 2,208,513 km (0.069 R)
• M7: 2,424,383 km (0.034 R)
• M8: 3,052,694 km (0.096 R)
• M9: 4,766,787 km (0.1 R)
• M10: 5,203,912 km (0.075 R)
• M11: 5,549,034 km (0.038 R)
• M12: 5,747,251 km (0.106 R)
• M13: 7,130,283 km (0.12 R)
• M14: 9,154,043 km (0.096 R)
• M15: 12,588,661 km (0.079 R)
• M16: 16,549,564 km (0.088 R)
• M17: 18,412,805 km (0.084 R)
• M18: 20,223,987 km (0.029 R)
• M19: 20,505,530 km (0.047 R)
• M20: 21,076,395 km (0.11 R)
• M21: 26,364,830 km (0.111 R)
• M22: 27,726,170 km (0.116 R)
• M23: 34,302,343 km (0.097 R)
• M24: 34,702,816 km (0.096 R)
• M25: 38,737,172 km (0.116 R)
• M26: 48,892,025 km (0.12 R)
• M27: 51,463,762 km (0.067 R)
• M28: 53,584,910 km (0.109 R)
• M29: 57,623,903 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.2

Radius: 7.2

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 12.07 AU - 18.93 AU

Year: 21349 Days

Day: 24.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,467,524 km

• M1: 89,609 km (0.033 R)
• M2: 478,115 km (0.12 R)
• M3: 848,669 km (0.058 R)
• M4: 1,494,932 km (0.101 R)
• M5: 1,748,350 km (0.037 R)
• M6: 2,010,745 km (0.067 R)
• M7: 3,308,357 km (0.062 R)
• M8: 5,829,530 km (0.092 R)
• M9: 6,865,495 km (0.068 R)
• M10: 11,396,216 km (0.065 R)
• M11: 12,521,641 km (0.074 R)
• M12: 16,504,834 km (0.108 R)
• M13: 16,835,894 km (0.094 R)
• M14: 18,292,528 km (0.082 R)
• M15: 19,831,292 km (0.069 R)
• M16: 21,356,592 km (0.114 R)
• M17: 22,348,725 km (0.117 R)
• M18: 25,619,234 km (0.074 R)
• M19: 25,951,790 km (0.084 R)
• M20: 26,625,429 km (0.081 R)
• M21: 31,671,365 km (0.083 R)
• M22: 32,699,701 km (0.117 R)
• M23: 33,617,634 km (0.104 R)
• M24: 34,283,793 km (0.096 R)
• M25: 36,474,504 km (0.08 R)
• M26: 38,466,400 km (0.046 R)
• M27: 39,636,704 km (0.073 R)
• M28: 40,380,056 km (0.094 R)
• M29: 44,395,861 km (0.071 R)
• M30: 47,327,082 km (0.087 R)
• M31: 56,514,784 km (0.085 R)
• M32: 63,527,933 km (0.089 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 15,933 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit