🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.47 AU - 0.65 AU

Year: 148 Days

Day: 24.9 Hours

Environment

Temp: 201 °C

Axial Tilt: 32.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.97 AU - 1.13 AU

Year: 380 Days

Day: 38.7 Hours

Environment

Temp: 147 °C

Axial Tilt: 8.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,551,402 km

• M1: 231,278 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.17 AU - 2.57 AU

Year: 1288 Days

Day: 45.3 Hours

Environment

Temp: -77 °C

Axial Tilt: 78.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,551,402 km

• M1: 42,037 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.23 AU - 4.85 AU

Year: 2867 Days

Day: 29.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 42.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 11.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.8

Radius: 14

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 10.3 AU - 12.34 AU

Year: 13448 Days

Day: 7.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,551,402 km

• M1: 207,043 km (0.09 R)
• M2: 989,740 km (0.074 R)
• M3: 1,819,708 km (0.108 R)
• M4: 2,563,958 km (0.089 R)
• M5: 3,103,258 km (0.097 R)
• M6: 4,055,299 km (0.113 R)
• M7: 4,695,877 km (0.119 R)
• M8: 6,297,921 km (0.058 R)
• M9: 7,731,966 km (0.113 R)
• M10: 11,006,813 km (0.089 R)
• M11: 13,014,267 km (0.116 R)
• M12: 16,354,937 km (0.089 R)
• M13: 18,711,851 km (0.08 R)
• M14: 23,606,843 km (0.075 R)
• M15: 25,177,172 km (0.075 R)
• M16: 26,503,656 km (0.094 R)
• M17: 28,744,034 km (0.103 R)
• M18: 30,762,708 km (0.036 R)
• M19: 32,994,259 km (0.117 R)
• M20: 34,211,238 km (0.089 R)
• M21: 36,993,609 km (0.115 R)
• M22: 41,585,515 km (0.06 R)
• M23: 45,492,413 km (0.115 R)
• M24: 46,543,937 km (0.097 R)
• M25: 47,611,617 km (0.119 R)
• M26: 54,028,468 km (0.063 R)
• M27: 56,749,055 km (0.051 R)
• M28: 57,967,529 km (0.099 R)
• M29: 59,559,699 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.6

Radius: 6.9

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 11.24 AU - 17.5 AU

Year: 19235 Days

Day: 17.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,551,402 km

• M1: 156,330 km (0.089 R)
• M2: 374,443 km (0.105 R)
• M3: 769,831 km (0.077 R)
• M4: 1,071,420 km (0.049 R)
• M5: 1,297,163 km (0.12 R)
• M6: 1,863,989 km (0.078 R)
• M7: 2,136,706 km (0.046 R)
• M8: 2,650,725 km (0.028 R)
• M9: 3,478,300 km (0.12 R)
• M10: 3,808,163 km (0.07 R)
• M11: 5,130,010 km (0.036 R)
• M12: 5,668,862 km (0.056 R)
• M13: 6,165,676 km (0.115 R)
• M14: 8,496,112 km (0.072 R)
• M15: 13,764,650 km (0.045 R)
• M16: 14,173,501 km (0.086 R)
• M17: 17,110,107 km (0.047 R)
• M18: 18,308,535 km (0.103 R)
• M19: 19,391,624 km (0.091 R)
• M20: 19,819,474 km (0.052 R)
• M21: 20,340,972 km (0.105 R)
• M22: 24,548,562 km (0.047 R)
• M23: 31,598,361 km (0.031 R)
• M24: 32,071,540 km (0.107 R)
• M25: 34,509,237 km (0.101 R)
• M26: 39,886,981 km (0.106 R)
• M27: 40,162,690 km (0.069 R)
• M28: 44,305,504 km (0.048 R)
• M29: 47,015,170 km (0.086 R)
• M30: 52,762,122 km (0.11 R)
• M31: 59,857,549 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.1

Radius: 6.3

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 12.96 AU - 17.1 AU

Year: 20575 Days

Day: 21.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,551,402 km

• M1: 78,389 km (0.053 R)
• M2: 571,165 km (0.094 R)
• M3: 1,666,221 km (0.092 R)
• M4: 2,690,966 km (0.091 R)
• M5: 3,257,942 km (0.114 R)
• M6: 3,555,792 km (0.094 R)
• M7: 6,216,839 km (0.085 R)
• M8: 6,848,441 km (0.094 R)
• M9: 7,338,224 km (0.09 R)
• M10: 8,238,804 km (0.065 R)
• M11: 12,259,546 km (0.119 R)
• M12: 13,048,076 km (0.08 R)
• M13: 16,385,156 km (0.103 R)
• M14: 22,976,438 km (0.057 R)
• M15: 26,257,568 km (0.045 R)
• M16: 28,459,499 km (0.05 R)
• M17: 28,686,289 km (0.026 R)
• M18: 29,143,460 km (0.11 R)
• M19: 31,623,195 km (0.089 R)
• M20: 34,368,465 km (0.061 R)
• M21: 36,461,938 km (0.115 R)
• M22: 36,729,419 km (0.082 R)
• M23: 41,480,198 km (0.096 R)
• M24: 42,064,677 km (0.096 R)
• M25: 50,335,794 km (0.082 R)
• M26: 50,833,955 km (0.063 R)
• M27: 63,218,564 km (0.113 R)
• M28: 65,756,941 km (0.082 R)

Kuiper Belt

Range: 31.1 - 59.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 17,194 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit