🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.08 AU - 1.32 AU

Year: 503 Days

Day: 44.9 Hours

Environment

Temp: -30 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,676,086 km

• M1: 70,610 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.33 AU - 1.47 AU

Year: 634 Days

Day: 44.9 Hours

Environment

Temp: -43 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,676,086 km

• M1: 783,893 km (0.064 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.41 AU - 2.01 AU

Year: 856 Days

Day: 22.5 Hours

Environment

Temp: -73 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,676,086 km

• M1: 24,833 km (0.053 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.85 AU - 1.95 AU

Year: 1003 Days

Day: 32 Hours

Environment

Temp: -67 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,676,086 km

• M1: 38,746 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 759.9

Radius: 5.8

Gravity: 22.59 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 12.06 AU - 14.1 AU

Year: 18113 Days

Day: 19.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 30,676,086 km

• M1: 72,106 km (0.108 R)
• M2: 269,875 km (0.109 R)
• M3: 523,593 km (0.069 R)
• M4: 715,975 km (0.08 R)
• M5: 1,427,463 km (0.099 R)
• M6: 1,654,702 km (0.05 R)
• M7: 2,743,326 km (0.061 R)
• M8: 3,395,423 km (0.033 R)
• M9: 4,929,100 km (0.106 R)
• M10: 8,066,317 km (0.052 R)
• M11: 11,542,224 km (0.07 R)
• M12: 13,007,535 km (0.066 R)
• M13: 13,784,995 km (0.031 R)
• M14: 14,894,263 km (0.07 R)
• M15: 16,383,211 km (0.088 R)
• M16: 17,457,473 km (0.087 R)
• M17: 19,471,659 km (0.08 R)
• M18: 20,393,930 km (0.088 R)
• M19: 23,540,272 km (0.057 R)
• M20: 24,269,263 km (0.104 R)
• M21: 28,726,232 km (0.106 R)
• M22: 37,926,501 km (0.099 R)
• M23: 38,210,737 km (0.109 R)
• M24: 39,362,042 km (0.095 R)
• M25: 39,946,222 km (0.055 R)
• M26: 41,582,673 km (0.086 R)
• M27: 44,355,918 km (0.052 R)
• M28: 45,627,201 km (0.106 R)
• M29: 65,239,631 km (0.111 R)
• M30: 69,823,460 km (0.082 R)
• M31: 70,464,636 km (0.093 R)
• M32: 70,894,281 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.4

Radius: 6

Gravity: 23.9 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 10.18 AU - 16.94 AU

Year: 19119 Days

Day: 21.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 30,676,086 km

• M1: 74,649 km (0.101 R)
• M2: 394,490 km (0.06 R)
• M3: 637,885 km (0.033 R)
• M4: 1,030,430 km (0.07 R)
• M5: 1,394,402 km (0.113 R)
• M6: 2,756,790 km (0.077 R)
• M7: 3,635,527 km (0.085 R)
• M8: 4,171,985 km (0.08 R)
• M9: 4,687,799 km (0.114 R)
• M10: 6,491,500 km (0.08 R)
• M11: 9,154,791 km (0.088 R)
• M12: 14,582,950 km (0.1 R)
• M13: 14,892,169 km (0.084 R)
• M14: 16,255,454 km (0.081 R)
• M15: 18,408,317 km (0.115 R)
• M16: 18,860,701 km (0.11 R)
• M17: 22,853,169 km (0.093 R)
• M18: 30,155,041 km (0.106 R)
• M19: 35,151,610 km (0.119 R)
• M20: 38,871,212 km (0.081 R)
• M21: 48,781,771 km (0.12 R)
• M22: 50,876,291 km (0.115 R)
• M23: 67,670,298 km (0.043 R)
• M24: 70,492,461 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.4

Radius: 5.4

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 14.43 AU - 15.27 AU

Year: 21911 Days

Day: 16 Hours

Environment

Temp: -203 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,676,086 km

• M1: 67,169 km (0.042 R)
• M2: 611,406 km (0.118 R)
• M3: 783,145 km (0.037 R)
• M4: 1,108,221 km (0.087 R)
• M5: 2,270,746 km (0.091 R)
• M6: 2,534,936 km (0.081 R)
• M7: 3,184,639 km (0.086 R)
• M8: 3,368,346 km (0.025 R)
• M9: 5,187,605 km (0.114 R)
• M10: 7,504,278 km (0.065 R)
• M11: 9,028,082 km (0.064 R)
• M12: 10,930,069 km (0.085 R)
• M13: 11,635,274 km (0.074 R)
• M14: 15,446,878 km (0.09 R)
• M15: 23,438,695 km (0.09 R)
• M16: 23,979,791 km (0.077 R)
• M17: 27,402,590 km (0.045 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 12,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit