🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.45 AU - 0.65 AU

Year: 150 Days

Day: 17.3 Hours

Environment

Temp: 157 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.7 AU - 2.62 AU

Year: 1165 Days

Day: 15.9 Hours

Environment

Temp: -77 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 88,814,441 km

• M1: 1,448,706 km (0.092 R)
• M2: 2,096,315 km (0.094 R)

Asteroid Belt

Center: 2.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.33 AU - 3.15 AU

Year: 1665 Days

Day: 46.4 Hours

Environment

Temp: -103 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.07 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.6

Radius: 9.2

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.9 AU - 5.9 AU

Year: 4606 Days

Day: 8.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,814,441 km

• M1: 114,442 km (0.11 R)
• M2: 401,820 km (0.035 R)
• M3: 1,139,637 km (0.092 R)
• M4: 1,698,085 km (0.107 R)
• M5: 2,179,940 km (0.086 R)
• M6: 2,804,062 km (0.103 R)
• M7: 3,139,162 km (0.083 R)
• M8: 4,357,188 km (0.045 R)
• M9: 4,808,824 km (0.051 R)
• M10: 6,167,023 km (0.116 R)
• M11: 6,511,247 km (0.1 R)
• M12: 8,278,597 km (0.111 R)
• M13: 13,087,420 km (0.11 R)
• M14: 15,754,451 km (0.109 R)
• M15: 17,245,942 km (0.08 R)
• M16: 19,091,381 km (0.079 R)
• M17: 23,851,436 km (0.097 R)
• M18: 27,290,691 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.8

Radius: 11.9

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.58 AU - 8.14 AU

Year: 8089 Days

Day: 11.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 88,814,441 km

• M1: 148,102 km (0.106 R)
• M2: 589,565 km (0.083 R)
• M3: 1,414,448 km (0.119 R)
• M4: 1,932,206 km (0.118 R)
• M5: 2,805,558 km (0.101 R)
• M6: 3,728,577 km (0.049 R)
• M7: 4,182,008 km (0.104 R)
• M8: 6,067,390 km (0.097 R)
• M9: 8,337,688 km (0.049 R)
• M10: 8,808,472 km (0.061 R)
• M11: 9,387,715 km (0.117 R)
• M12: 10,135,256 km (0.072 R)
• M13: 10,622,346 km (0.12 R)
• M14: 11,486,274 km (0.094 R)
• M15: 13,412,047 km (0.111 R)
• M16: 14,421,235 km (0.089 R)
• M17: 17,683,516 km (0.12 R)
• M18: 19,411,820 km (0.038 R)
• M19: 20,935,923 km (0.059 R)
• M20: 22,374,606 km (0.116 R)
• M21: 26,992,991 km (0.107 R)
• M22: 27,646,883 km (0.115 R)
• M23: 34,233,678 km (0.116 R)
• M24: 36,340,464 km (0.073 R)
• M25: 38,063,533 km (0.092 R)
• M26: 39,961,032 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.6

Radius: 5.2

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 12.47 AU - 14.57 AU

Year: 18249 Days

Day: 19.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,814,441 km

• M1: 170,691 km (0.05 R)
• M2: 922,271 km (0.09 R)
• M3: 2,080,607 km (0.085 R)
• M4: 2,517,583 km (0.066 R)
• M5: 3,355,480 km (0.074 R)
• M6: 4,450,537 km (0.063 R)
• M7: 4,924,313 km (0.061 R)
• M8: 9,178,278 km (0.078 R)
• M9: 10,443,727 km (0.089 R)
• M10: 11,065,306 km (0.083 R)
• M11: 12,155,575 km (0.073 R)
• M12: 14,995,990 km (0.113 R)
• M13: 22,704,768 km (0.118 R)
• M14: 23,048,245 km (0.075 R)
• M15: 23,482,527 km (0.115 R)
• M16: 24,277,790 km (0.117 R)
• M17: 25,642,870 km (0.053 R)
• M18: 28,624,655 km (0.05 R)
• M19: 29,025,428 km (0.111 R)
• M20: 32,803,073 km (0.114 R)
• M21: 33,352,396 km (0.067 R)
• M22: 34,243,850 km (0.096 R)
• M23: 35,151,311 km (0.104 R)
• M24: 42,343,827 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.7

Radius: 6.4

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 15.45 AU - 20.45 AU

Year: 27917 Days

Day: 23.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,814,441 km

• M1: 86,468 km (0.12 R)
• M2: 377,585 km (0.116 R)
• M3: 803,341 km (0.03 R)
• M4: 1,107,174 km (0.103 R)
• M5: 1,836,463 km (0.071 R)
• M6: 2,204,624 km (0.086 R)
• M7: 4,078,936 km (0.09 R)
• M8: 4,385,013 km (0.084 R)
• M9: 5,233,831 km (0.097 R)
• M10: 7,659,860 km (0.063 R)
• M11: 10,540,666 km (0.115 R)
• M12: 10,852,877 km (0.073 R)
• M13: 16,033,900 km (0.109 R)
• M14: 17,438,773 km (0.115 R)
• M15: 19,618,863 km (0.077 R)
• M16: 22,228,000 km (0.096 R)
• M17: 22,741,719 km (0.093 R)
• M18: 25,523,042 km (0.064 R)
• M19: 30,159,529 km (0.107 R)
• M20: 43,139,388 km (0.061 R)
• M21: 45,841,126 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.3

Radius: 6.6

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 17.3 AU - 21.06 AU

Year: 30835 Days

Day: 24.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,814,441 km

• M1: 84,523 km (0.119 R)
• M2: 634,893 km (0.104 R)
• M3: 976,276 km (0.092 R)
• M4: 1,641,687 km (0.118 R)
• M5: 2,223,922 km (0.105 R)
• M6: 3,016,940 km (0.103 R)
• M7: 3,270,808 km (0.076 R)
• M8: 5,889,668 km (0.113 R)
• M9: 6,242,420 km (0.099 R)
• M10: 6,703,181 km (0.063 R)
• M11: 8,662,764 km (0.06 R)
• M12: 9,119,187 km (0.051 R)
• M13: 11,107,193 km (0.078 R)
• M14: 12,558,592 km (0.054 R)
• M15: 14,445,918 km (0.036 R)
• M16: 15,006,611 km (0.101 R)
• M17: 18,029,236 km (0.097 R)
• M18: 21,953,936 km (0.108 R)
• M19: 22,909,268 km (0.055 R)
• M20: 27,614,720 km (0.084 R)
• M21: 29,613,347 km (0.084 R)
• M22: 33,339,381 km (0.117 R)
• M23: 34,885,027 km (0.103 R)
• M24: 38,118,136 km (0.088 R)
• M25: 38,573,961 km (0.1 R)
• M26: 49,185,536 km (0.086 R)
• M27: 51,370,263 km (0.057 R)
• M28: 64,983,819 km (0.102 R)
• M29: 66,508,371 km (0.098 R)
• M30: 68,503,109 km (0.08 R)
• M31: 70,309,653 km (0.045 R)
• M32: 73,546,801 km (0.096 R)
• M33: 75,918,975 km (0.1 R)
• M34: 81,567,641 km (0.109 R)
• M35: 84,881,084 km (0.05 R)
• M36: 87,490,071 km (0.084 R)
• M37: 88,548,476 km (0.025 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 18,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit