🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.05 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.8 AU - 2.38 AU

Year: 1098 Days

Day: 22 Hours

Environment

Temp: -70 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 100,308,099 km

• M1: 68,067 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.03 AU - 4.65 AU

Year: 2735 Days

Day: 14.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.1 AU - 4.66 AU

Year: 2778 Days

Day: 24.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 100,308,099 km

• M1: 573,708 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.1 AU - 4.76 AU

Year: 2832 Days

Day: 37.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.4

Radius: 15

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.23 AU - 7.71 AU

Year: 5981 Days

Day: 14.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 100,308,099 km

• M1: 220,058 km (0.07 R)
• M2: 700,866 km (0.087 R)
• M3: 1,908,121 km (0.106 R)
• M4: 4,661,918 km (0.066 R)
• M5: 6,092,074 km (0.114 R)
• M6: 6,617,611 km (0.08 R)
• M7: 10,952,808 km (0.12 R)
• M8: 14,818,417 km (0.09 R)
• M9: 19,443,086 km (0.11 R)
• M10: 24,212,415 km (0.112 R)
• M11: 25,369,405 km (0.026 R)
• M12: 26,563,047 km (0.112 R)
• M13: 27,438,344 km (0.12 R)
• M14: 33,704,999 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.5

Radius: 11.8

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.14 AU - 11.5 AU

Year: 11184 Days

Day: 12 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 100,308,099 km

• M1: 148,251 km (0.106 R)
• M2: 753,824 km (0.118 R)
• M3: 1,151,006 km (0.079 R)
• M4: 2,040,665 km (0.098 R)
• M5: 3,445,089 km (0.099 R)
• M6: 3,957,911 km (0.118 R)
• M7: 4,646,659 km (0.105 R)
• M8: 5,103,831 km (0.059 R)
• M9: 5,699,529 km (0.067 R)
• M10: 6,578,866 km (0.097 R)
• M11: 7,328,351 km (0.098 R)
• M12: 9,349,418 km (0.097 R)
• M13: 10,963,729 km (0.12 R)
• M14: 11,482,385 km (0.099 R)
• M15: 12,321,778 km (0.098 R)
• M16: 14,190,106 km (0.117 R)
• M17: 14,806,599 km (0.07 R)
• M18: 17,452,686 km (0.09 R)
• M19: 19,051,588 km (0.029 R)
• M20: 23,758,535 km (0.097 R)
• M21: 25,021,441 km (0.095 R)
• M22: 25,820,592 km (0.102 R)
• M23: 32,131,678 km (0.03 R)
• M24: 34,038,452 km (0.093 R)
• M25: 38,602,384 km (0.119 R)
• M26: 43,272,680 km (0.078 R)
• M27: 44,569,245 km (0.102 R)
• M28: 52,897,957 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.1

Radius: 6.5

Gravity: 15.65 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 18.8 AU - 19.8 AU

Year: 30815 Days

Day: 20.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 100,308,099 km

• M1: 80,783 km (0.101 R)
• M2: 367,861 km (0.034 R)
• M3: 627,264 km (0.101 R)
• M4: 1,237,773 km (0.11 R)
• M5: 2,031,838 km (0.093 R)
• M6: 2,627,836 km (0.118 R)
• M7: 2,896,664 km (0.094 R)
• M8: 3,124,800 km (0.114 R)
• M9: 3,682,651 km (0.1 R)
• M10: 6,689,718 km (0.098 R)
• M11: 13,298,054 km (0.103 R)
• M12: 14,173,650 km (0.052 R)
• M13: 14,583,997 km (0.111 R)
• M14: 18,350,722 km (0.062 R)
• M15: 22,165,767 km (0.096 R)
• M16: 23,967,823 km (0.117 R)
• M17: 27,226,364 km (0.092 R)
• M18: 28,374,976 km (0.045 R)
• M19: 29,026,924 km (0.044 R)
• M20: 29,822,336 km (0.107 R)
• M21: 31,874,370 km (0.08 R)
• M22: 34,018,705 km (0.055 R)
• M23: 36,563,066 km (0.093 R)
• M24: 44,601,259 km (0.064 R)
• M25: 46,195,374 km (0.072 R)
• M26: 60,553,029 km (0.085 R)
• M27: 61,199,442 km (0.104 R)
• M28: 64,053,619 km (0.066 R)
• M29: 64,500,468 km (0.115 R)
• M30: 68,849,727 km (0.074 R)
• M31: 72,418,235 km (0.066 R)
• M32: 75,858,537 km (0.08 R)
• M33: 83,062,572 km (0.049 R)

Kuiper Belt

Range: 30.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 20,199 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit