🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.42 AU - 0.6 AU

Year: 232 Days

Day: 13.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.48 AU - 0.54 AU

Year: 232 Days

Day: 33.6 Hours

Environment

Temp: -113 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,417,693 km

• M1: 531,970 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.47 AU - 0.63 AU

Year: 259 Days

Day: 40.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,417,693 km

• M1: 266,284 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.7

Radius: 9.1

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.61 AU - 0.75 AU

Year: 357 Days

Day: 5.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,417,693 km

• M1: 133,441 km (0.072 R)
• M2: 209,587 km (0.097 R)
• M3: 268,678 km (0.11 R)
• M4: 334,351 km (0.106 R)
• M5: 420,669 km (0.075 R)
• M6: 537,954 km (0.118 R)
• M7: 603,777 km (0.078 R)
• M8: 680,820 km (0.077 R)
• M9: 764,296 km (0.078 R)
• M10: 970,292 km (0.118 R)
• M11: 1,052,720 km (0.1 R)
• M12: 1,160,879 km (0.12 R)
• M13: 1,224,907 km (0.057 R)
• M14: 1,456,934 km (0.098 R)
• M15: 1,582,147 km (0.114 R)
• M16: 1,788,293 km (0.069 R)
• M17: 1,866,981 km (0.095 R)
• M18: 1,950,756 km (0.115 R)
• M19: 2,358,859 km (0.12 R)
• M20: 2,436,800 km (0.107 R)
• M21: 2,555,281 km (0.087 R)
• M22: 2,671,220 km (0.052 R)
• M23: 2,743,475 km (0.105 R)
• M24: 2,866,744 km (0.106 R)
• M25: 2,987,469 km (0.109 R)
• M26: 3,062,418 km (0.106 R)
• M27: 3,161,901 km (0.116 R)
• M28: 3,339,922 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395

Radius: 14.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.64 AU - 6.82 AU

Year: 8721 Days

Day: 5.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 36,417,693 km

• M1: 231,578 km (0.1 R)
• M2: 404,961 km (0.111 R)
• M3: 558,898 km (0.108 R)
• M4: 820,395 km (0.077 R)
• M5: 952,190 km (0.106 R)
• M6: 1,189,153 km (0.062 R)
• M7: 1,665,473 km (0.082 R)
• M8: 1,837,361 km (0.119 R)
• M9: 1,975,440 km (0.073 R)
• M10: 2,096,614 km (0.094 R)
• M11: 2,304,256 km (0.066 R)
• M12: 2,453,854 km (0.1 R)
• M13: 2,968,471 km (0.098 R)
• M14: 3,346,504 km (0.098 R)
• M15: 3,690,280 km (0.11 R)
• M16: 4,097,336 km (0.066 R)
• M17: 4,735,072 km (0.097 R)
• M18: 5,010,033 km (0.054 R)
• M19: 5,691,601 km (0.081 R)
• M20: 6,372,420 km (0.062 R)
• M21: 7,016,589 km (0.092 R)
• M22: 7,362,459 km (0.111 R)
• M23: 7,649,687 km (0.101 R)
• M24: 7,843,117 km (0.086 R)
• M25: 9,414,792 km (0.061 R)
• M26: 9,552,871 km (0.05 R)
• M27: 9,691,848 km (0.115 R)
• M28: 9,901,434 km (0.096 R)
• M29: 10,360,700 km (0.07 R)
• M30: 10,718,837 km (0.114 R)
• M31: 11,743,283 km (0.072 R)
• M32: 11,854,883 km (0.085 R)
• M33: 12,191,927 km (0.108 R)
• M34: 13,454,533 km (0.087 R)
• M35: 13,806,238 km (0.117 R)
• M36: 15,486,970 km (0.114 R)
• M37: 16,144,153 km (0.108 R)
• M38: 16,351,346 km (0.104 R)
• M39: 16,852,499 km (0.085 R)
• M40: 17,062,684 km (0.087 R)
• M41: 18,213,242 km (0.092 R)
• M42: 18,429,111 km (0.098 R)
• M43: 18,776,178 km (0.108 R)
• M44: 19,344,800 km (0.08 R)
• M45: 20,096,978 km (0.097 R)
• M46: 20,588,706 km (0.059 R)
• M47: 20,678,614 km (0.111 R)
• M48: 21,721,312 km (0.064 R)
• M49: 22,364,433 km (0.052 R)
• M50: 22,688,312 km (0.077 R)
• M51: 23,013,688 km (0.093 R)
• M52: 23,387,533 km (0.087 R)
• M53: 24,473,613 km (0.038 R)
• M54: 24,711,773 km (0.083 R)
• M55: 24,950,830 km (0.108 R)
• M56: 25,527,680 km (0.063 R)
• M57: 25,624,320 km (0.097 R)
• M58: 25,866,220 km (0.118 R)
• M59: 26,498,869 km (0.091 R)
• M60: 26,694,543 km (0.044 R)
• M61: 26,989,101 km (0.111 R)
• M62: 27,185,972 km (0.088 R)
• M63: 27,482,176 km (0.067 R)
• M64: 27,581,210 km (0.094 R)
• M65: 28,277,438 km (0.118 R)
• M66: 29,130,745 km (0.104 R)
• M67: 29,332,702 km (0.085 R)
• M68: 30,043,292 km (0.051 R)
• M69: 30,400,830 km (0.118 R)
• M70: 30,605,630 km (0.115 R)
• M71: 31,896,809 km (0.101 R)
• M72: 32,837,331 km (0.066 R)
• M73: 32,942,349 km (0.07 R)
• M74: 33,310,958 km (0.097 R)
• M75: 33,575,148 km (0.105 R)
• M76: 34,211,986 km (0.069 R)
• M77: 34,478,420 km (0.112 R)
• M78: 35,605,340 km (0.051 R)
• M79: 35,821,360 km (0.025 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 10,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit