🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.42 AU - 0.62 AU

Year: 144 Days

Day: 33.3 Hours

Environment

Temp: 208 °C

Axial Tilt: 4.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.51 AU - 0.77 AU

Year: 196 Days

Day: 36.4 Hours

Environment

Temp: 124 °C

Axial Tilt: 18.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.92 AU - 1.5 AU

Year: 510 Days

Day: 31 Hours

Environment

Temp: -34 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.9 AU - 1.96 AU

Year: 1027 Days

Day: 42.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,037,931 km

• M1: 44,431 km (0.112 R)

Asteroid Belt

Center: 3.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.6

Radius: 8.4

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.64 AU - 6.44 AU

Year: 5684 Days

Day: 6.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,037,931 km

• M1: 108,010 km (0.11 R)
• M2: 709,991 km (0.106 R)
• M3: 977,921 km (0.106 R)
• M4: 1,675,197 km (0.101 R)
• M5: 2,021,965 km (0.059 R)
• M6: 2,613,924 km (0.092 R)
• M7: 2,940,945 km (0.117 R)
• M8: 3,338,576 km (0.11 R)
• M9: 3,701,051 km (0.098 R)
• M10: 4,039,442 km (0.057 R)
• M11: 7,539,882 km (0.11 R)
• M12: 8,327,365 km (0.076 R)
• M13: 9,565,288 km (0.112 R)
• M14: 10,019,317 km (0.099 R)
• M15: 10,392,863 km (0.114 R)
• M16: 15,506,268 km (0.035 R)
• M17: 17,978,373 km (0.039 R)
• M18: 18,670,113 km (0.064 R)
• M19: 22,161,429 km (0.114 R)
• M20: 25,028,023 km (0.107 R)
• M21: 31,484,966 km (0.117 R)
• M22: 31,884,243 km (0.083 R)
• M23: 33,205,491 km (0.114 R)
• M24: 33,931,789 km (0.057 R)
• M25: 34,246,244 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334

Radius: 11.6

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.28 AU - 8.08 AU

Year: 8149 Days

Day: 13.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,037,931 km

• M1: 145,559 km (0.11 R)
• M2: 569,519 km (0.095 R)
• M3: 1,158,785 km (0.095 R)
• M4: 2,118,306 km (0.078 R)
• M5: 2,677,652 km (0.093 R)
• M6: 3,170,428 km (0.112 R)
• M7: 3,656,322 km (0.061 R)
• M8: 4,415,082 km (0.116 R)
• M9: 5,134,349 km (0.114 R)
• M10: 6,086,240 km (0.116 R)
• M11: 7,804,222 km (0.069 R)
• M12: 8,221,899 km (0.095 R)
• M13: 10,816,375 km (0.077 R)
• M14: 12,997,661 km (0.061 R)
• M15: 14,473,145 km (0.118 R)
• M16: 15,936,063 km (0.118 R)
• M17: 18,882,094 km (0.045 R)
• M18: 19,567,551 km (0.105 R)
• M19: 20,555,047 km (0.117 R)
• M20: 21,798,355 km (0.057 R)
• M21: 22,782,409 km (0.032 R)
• M22: 25,579,291 km (0.09 R)
• M23: 27,276,329 km (0.102 R)
• M24: 30,518,115 km (0.086 R)
• M25: 31,366,934 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.9

Radius: 12.1

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.72 AU - 9.8 AU

Year: 9089 Days

Day: 8.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,037,931 km

• M1: 152,440 km (0.068 R)
• M2: 1,097,450 km (0.111 R)
• M3: 1,889,870 km (0.095 R)
• M4: 4,170,489 km (0.108 R)
• M5: 5,376,099 km (0.108 R)
• M6: 7,510,412 km (0.101 R)
• M7: 7,914,625 km (0.069 R)
• M8: 9,751,986 km (0.093 R)
• M9: 10,576,719 km (0.087 R)
• M10: 11,406,688 km (0.111 R)
• M11: 11,817,035 km (0.098 R)
• M12: 15,663,495 km (0.036 R)

Asteroid Belt

Center: 10.6 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 12.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.1

Radius: 5.7

Gravity: 14.5 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 11.59 AU - 14.27 AU

Year: 17802 Days

Day: 22.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,037,931 km

• M1: 70,909 km (0.107 R)
• M2: 886,816 km (0.068 R)
• M3: 2,241,425 km (0.114 R)
• M4: 3,114,328 km (0.046 R)
• M5: 3,613,387 km (0.117 R)
• M6: 3,838,831 km (0.074 R)
• M7: 4,507,683 km (0.118 R)
• M8: 5,006,293 km (0.103 R)
• M9: 6,192,305 km (0.12 R)
• M10: 7,196,705 km (0.088 R)
• M11: 7,737,651 km (0.101 R)
• M12: 7,970,874 km (0.066 R)
• M13: 9,156,586 km (0.097 R)
• M14: 11,872,087 km (0.103 R)
• M15: 18,657,547 km (0.102 R)
• M16: 19,417,804 km (0.05 R)
• M17: 24,120,413 km (0.114 R)
• M18: 31,144,033 km (0.095 R)
• M19: 39,417,094 km (0.106 R)
• M20: 47,003,950 km (0.07 R)
• M21: 54,649,149 km (0.076 R)
• M22: 59,938,780 km (0.039 R)
• M23: 60,485,860 km (0.116 R)
• M24: 61,220,385 km (0.026 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.5

Radius: 5.8

Gravity: 12.65 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 14.42 AU - 16.16 AU

Year: 22892 Days

Day: 21.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,037,931 km

• M1: 77,791 km (0.112 R)
• M2: 275,260 km (0.101 R)
• M3: 521,498 km (0.102 R)
• M4: 946,955 km (0.038 R)
• M5: 1,276,818 km (0.112 R)
• M6: 1,468,901 km (0.097 R)
• M7: 1,950,158 km (0.12 R)
• M8: 2,145,682 km (0.104 R)
• M9: 2,622,451 km (0.093 R)
• M10: 3,410,831 km (0.12 R)
• M11: 4,249,477 km (0.03 R)
• M12: 4,751,528 km (0.098 R)
• M13: 6,625,540 km (0.067 R)
• M14: 6,979,638 km (0.119 R)
• M15: 9,103,479 km (0.077 R)
• M16: 10,878,308 km (0.047 R)
• M17: 11,623,306 km (0.081 R)
• M18: 16,903,512 km (0.107 R)
• M19: 21,607,767 km (0.08 R)
• M20: 24,413,325 km (0.103 R)
• M21: 25,257,506 km (0.118 R)
• M22: 26,559,905 km (0.077 R)
• M23: 27,227,710 km (0.084 R)
• M24: 32,470,367 km (0.106 R)
• M25: 33,878,831 km (0.096 R)
• M26: 34,928,410 km (0.109 R)
• M27: 41,091,094 km (0.047 R)
• M28: 43,194,141 km (0.099 R)
• M29: 48,598,364 km (0.112 R)
• M30: 49,262,429 km (0.113 R)
• M31: 52,673,261 km (0.042 R)
• M32: 59,392,150 km (0.102 R)
• M33: 59,770,932 km (0.114 R)
• M34: 61,301,467 km (0.114 R)
• M35: 70,401,207 km (0.061 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 15,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit