🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.92 AU - 1.1 AU

Year: 376 Days

Day: 13.1 Hours

Environment

Temp: 9 °C

Axial Tilt: 3.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.67 AU - 3.29 AU

Year: 1908 Days

Day: 33.2 Hours

Environment

Temp: -112 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.13 AU - 3.67 AU

Year: 2325 Days

Day: 23.9 Hours

Environment

Temp: -107 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.82 AU - 4.02 AU

Year: 2346 Days

Day: 28.8 Hours

Environment

Temp: -107 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.19 AU - 4.05 AU

Year: 2554 Days

Day: 37.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.47 AU - 4.65 AU

Year: 3034 Days

Day: 46.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.67 AU - 4.75 AU

Year: 3204 Days

Day: 46.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.7

Radius: 13.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 8.54 AU - 9.74 AU

Year: 10248 Days

Day: 10.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 54,535,794 km

• M1: 189,391 km (0.118 R)
• M2: 432,637 km (0.118 R)
• M3: 808,876 km (0.093 R)
• M4: 963,261 km (0.114 R)
• M5: 1,325,886 km (0.108 R)
• M6: 1,440,927 km (0.033 R)
• M7: 1,632,262 km (0.086 R)
• M8: 1,935,348 km (0.105 R)
• M9: 2,174,854 km (0.105 R)
• M10: 2,256,983 km (0.109 R)
• M11: 3,291,303 km (0.085 R)
• M12: 3,418,162 km (0.106 R)
• M13: 4,490,629 km (0.095 R)
• M14: 5,173,992 km (0.095 R)
• M15: 6,397,852 km (0.088 R)
• M16: 6,517,082 km (0.117 R)
• M17: 6,838,717 km (0.113 R)
• M18: 7,289,455 km (0.078 R)
• M19: 7,707,731 km (0.092 R)
• M20: 10,098,903 km (0.106 R)
• M21: 10,284,554 km (0.111 R)
• M22: 11,810,752 km (0.11 R)
• M23: 13,406,662 km (0.042 R)
• M24: 13,816,111 km (0.086 R)
• M25: 15,281,871 km (0.088 R)
• M26: 15,602,460 km (0.094 R)
• M27: 16,033,152 km (0.107 R)
• M28: 17,739,465 km (0.106 R)
• M29: 19,272,245 km (0.109 R)
• M30: 19,734,502 km (0.093 R)
• M31: 20,142,007 km (0.1 R)
• M32: 20,493,562 km (0.089 R)
• M33: 20,611,146 km (0.102 R)
• M34: 21,440,816 km (0.071 R)
• M35: 21,799,701 km (0.104 R)
• M36: 22,160,681 km (0.115 R)
• M37: 22,341,844 km (0.085 R)
• M38: 22,888,474 km (0.11 R)
• M39: 23,439,443 km (0.091 R)
• M40: 23,747,465 km (0.117 R)
• M41: 24,056,834 km (0.066 R)
• M42: 24,617,078 km (0.099 R)
• M43: 24,804,673 km (0.077 R)
• M44: 25,433,882 km (0.091 R)
• M45: 26,900,689 km (0.089 R)
• M46: 27,158,596 km (0.105 R)
• M47: 27,676,803 km (0.08 R)
• M48: 27,872,028 km (0.096 R)
• M49: 28,920,859 km (0.094 R)
• M50: 29,383,715 km (0.112 R)
• M51: 30,183,016 km (0.117 R)
• M52: 30,451,095 km (0.075 R)
• M53: 30,922,029 km (0.079 R)
• M54: 31,192,203 km (0.088 R)
• M55: 32,417,859 km (0.089 R)
• M56: 32,898,666 km (0.093 R)
• M57: 34,915,993 km (0.103 R)
• M58: 35,833,328 km (0.112 R)
• M59: 37,331,849 km (0.107 R)
• M60: 37,619,526 km (0.12 R)
• M61: 39,361,444 km (0.099 R)
• M62: 39,507,900 km (0.089 R)
• M63: 39,948,017 km (0.062 R)
• M64: 42,998,916 km (0.049 R)
• M65: 43,149,561 km (0.101 R)
• M66: 43,905,928 km (0.057 R)
• M67: 45,815,844 km (0.116 R)
• M68: 46,046,973 km (0.09 R)
• M69: 47,987,107 km (0.062 R)
• M70: 49,006,617 km (0.073 R)
• M71: 49,637,471 km (0.049 R)
• M72: 49,874,733 km (0.099 R)
• M73: 50,191,731 km (0.1 R)
• M74: 50,588,914 km (0.094 R)
• M75: 51,066,729 km (0.065 R)
• M76: 51,306,385 km (0.084 R)
• M77: 52,590,234 km (0.103 R)
• M78: 53,155,265 km (0.046 R)
• M79: 53,478,995 km (0.045 R)
• M80: 53,803,473 km (0.058 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 12,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit