🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.54 AU - 0.86 AU

Year: 218 Days

Day: 26.5 Hours

Environment

Temp: 163 °C

Axial Tilt: 16.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.93 AU - 1.05 AU

Year: 367 Days

Day: 22.6 Hours

Environment

Temp: 10 °C

Axial Tilt: 5.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 1.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.52 AU - 2.02 AU

Year: 878 Days

Day: 44.1 Hours

Environment

Temp: -54 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.86 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.8

Radius: 8.2

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.88 AU - 7.02 AU

Year: 5410 Days

Day: 8.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 106,268,652 km

• M1: 107,262 km (0.116 R)
• M2: 398,379 km (0.098 R)
• M3: 751,131 km (0.102 R)
• M4: 1,010,234 km (0.11 R)
• M5: 1,705,865 km (0.107 R)
• M6: 1,980,526 km (0.112 R)
• M7: 2,757,238 km (0.052 R)
• M8: 3,744,285 km (0.047 R)
• M9: 5,160,229 km (0.118 R)
• M10: 5,856,757 km (0.106 R)
• M11: 6,935,058 km (0.105 R)
• M12: 9,970,997 km (0.118 R)
• M13: 11,455,607 km (0.077 R)
• M14: 13,384,372 km (0.082 R)
• M15: 13,846,480 km (0.112 R)
• M16: 15,973,013 km (0.042 R)
• M17: 19,199,241 km (0.078 R)
• M18: 20,657,372 km (0.062 R)
• M19: 24,776,549 km (0.113 R)
• M20: 26,183,218 km (0.073 R)
• M21: 26,583,242 km (0.082 R)
• M22: 27,477,688 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.3

Radius: 8.2

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.35 AU - 7.17 AU

Year: 5839 Days

Day: 13.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 106,268,652 km

• M1: 134,788 km (0.095 R)
• M2: 649,853 km (0.101 R)
• M3: 1,083,537 km (0.096 R)
• M4: 1,543,850 km (0.073 R)
• M5: 2,170,516 km (0.088 R)
• M6: 2,659,701 km (0.114 R)
• M7: 3,095,479 km (0.074 R)
• M8: 3,539,186 km (0.111 R)
• M9: 4,217,912 km (0.107 R)
• M10: 4,508,132 km (0.083 R)
• M11: 5,590,921 km (0.071 R)
• M12: 6,451,707 km (0.115 R)
• M13: 13,222,657 km (0.103 R)
• M14: 14,042,453 km (0.05 R)
• M15: 16,158,515 km (0.112 R)
• M16: 16,430,334 km (0.119 R)
• M17: 19,564,110 km (0.099 R)
• M18: 21,271,172 km (0.059 R)
• M19: 22,801,707 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.4

Radius: 10.6

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.07 AU - 8.77 AU

Year: 8309 Days

Day: 13.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 106,268,652 km

• M1: 132,394 km (0.108 R)
• M2: 495,767 km (0.098 R)
• M3: 1,462,170 km (0.049 R)
• M4: 4,648,155 km (0.092 R)
• M5: 5,111,310 km (0.111 R)
• M6: 5,575,064 km (0.089 R)
• M7: 6,454,550 km (0.067 R)
• M8: 7,102,309 km (0.079 R)
• M9: 8,768,829 km (0.11 R)
• M10: 10,728,411 km (0.107 R)
• M11: 12,136,277 km (0.111 R)
• M12: 12,649,248 km (0.065 R)
• M13: 14,789,096 km (0.085 R)
• M14: 21,957,078 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.9

Radius: 11.1

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.18 AU - 10.18 AU

Year: 9533 Days

Day: 10.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 106,268,652 km

• M1: 138,228 km (0.092 R)
• M2: 643,420 km (0.11 R)
• M3: 1,191,697 km (0.052 R)
• M4: 3,210,071 km (0.047 R)
• M5: 3,822,824 km (0.049 R)
• M6: 4,709,341 km (0.106 R)
• M7: 6,474,297 km (0.048 R)
• M8: 6,985,173 km (0.068 R)
• M9: 7,908,342 km (0.111 R)
• M10: 8,567,769 km (0.083 R)
• M11: 10,206,764 km (0.114 R)
• M12: 11,440,198 km (0.085 R)
• M13: 12,380,271 km (0.076 R)
• M14: 13,371,058 km (0.086 R)
• M15: 16,426,594 km (0.092 R)
• M16: 17,500,109 km (0.074 R)
• M17: 18,683,577 km (0.117 R)
• M18: 21,278,652 km (0.087 R)
• M19: 26,684,969 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.9

Radius: 4

Gravity: 45.56 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 19.03 AU - 19.89 AU

Year: 32001 Days

Day: 24 Hours

Environment

Temp: -207 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 106,268,652 km

• M1: 55,052 km (0.108 R)
• M2: 744,399 km (0.068 R)
• M3: 1,359,097 km (0.073 R)
• M4: 3,244,778 km (0.049 R)
• M5: 4,043,032 km (0.081 R)
• M6: 4,449,489 km (0.046 R)
• M7: 5,786,595 km (0.076 R)
• M8: 5,970,750 km (0.103 R)
• M9: 7,696,511 km (0.038 R)
• M10: 11,361,659 km (0.098 R)
• M11: 14,473,893 km (0.069 R)
• M12: 15,863,358 km (0.118 R)
• M13: 24,516,847 km (0.09 R)
• M14: 26,106,773 km (0.118 R)
• M15: 36,639,211 km (0.098 R)
• M16: 53,420,502 km (0.101 R)
• M17: 57,762,580 km (0.106 R)
• M18: 59,910,506 km (0.061 R)
• M19: 63,006,135 km (0.113 R)
• M20: 70,236,649 km (0.086 R)
• M21: 88,273,515 km (0.115 R)
• M22: 88,837,798 km (0.098 R)
• M23: 89,688,860 km (0.04 R)
• M24: 95,501,485 km (0.102 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: 220 - 10,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit