🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.71 AU - 0.75 AU

Year: 272 Days

Day: 34.8 Hours

Environment

Temp: -8 °C

Axial Tilt: 47.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.96 AU - 3.12 AU

Year: 1767 Days

Day: 36.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.7

Radius: 8.1

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.91 AU - 4.41 AU

Year: 3057 Days

Day: 12 Hours

Environment

Temp: -155 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,388,076 km

• M1: 101,278 km (0.105 R)
• M2: 607,816 km (0.06 R)
• M3: 1,254,229 km (0.046 R)
• M4: 1,850,974 km (0.102 R)
• M5: 3,441,349 km (0.107 R)
• M6: 4,276,106 km (0.097 R)
• M7: 5,013,922 km (0.101 R)
• M8: 7,827,260 km (0.079 R)
• M9: 12,973,127 km (0.117 R)
• M10: 13,443,463 km (0.097 R)
• M11: 15,726,177 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582

Radius: 11.8

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.39 AU - 6.63 AU

Year: 5646 Days

Day: 9.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,388,076 km

• M1: 146,756 km (0.09 R)
• M2: 595,100 km (0.075 R)
• M3: 1,031,178 km (0.12 R)
• M4: 1,470,248 km (0.084 R)
• M5: 1,922,033 km (0.055 R)
• M6: 2,305,453 km (0.091 R)
• M7: 3,756,103 km (0.1 R)
• M8: 4,193,378 km (0.059 R)
• M9: 5,007,190 km (0.11 R)
• M10: 5,684,569 km (0.067 R)
• M11: 6,780,823 km (0.112 R)
• M12: 9,472,088 km (0.081 R)
• M13: 12,403,010 km (0.072 R)
• M14: 13,116,891 km (0.077 R)
• M15: 15,597,822 km (0.119 R)
• M16: 18,052,573 km (0.108 R)
• M17: 19,848,496 km (0.049 R)
• M18: 21,325,625 km (0.063 R)
• M19: 23,407,280 km (0.071 R)
• M20: 23,792,943 km (0.083 R)
• M21: 26,862,990 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.9

Radius: 8.7

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.9 AU - 11.12 AU

Year: 11807 Days

Day: 14.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,388,076 km

• M1: 108,159 km (0.092 R)
• M2: 384,915 km (0.092 R)
• M3: 1,088,025 km (0.116 R)
• M4: 1,548,188 km (0.065 R)
• M5: 2,195,050 km (0.116 R)
• M6: 2,486,616 km (0.101 R)
• M7: 2,953,810 km (0.116 R)
• M8: 3,946,691 km (0.114 R)
• M9: 4,355,991 km (0.07 R)
• M10: 4,954,532 km (0.109 R)
• M11: 6,031,188 km (0.057 R)
• M12: 6,944,184 km (0.045 R)
• M13: 9,207,001 km (0.073 R)
• M14: 10,778,527 km (0.101 R)
• M15: 12,777,453 km (0.077 R)
• M16: 13,513,325 km (0.076 R)
• M17: 13,891,658 km (0.059 R)
• M18: 15,127,037 km (0.098 R)
• M19: 16,927,448 km (0.066 R)
• M20: 21,602,232 km (0.092 R)
• M21: 25,319,140 km (0.029 R)
• M22: 28,284,021 km (0.117 R)
• M23: 30,723,513 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.7

Radius: 6

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 11.96 AU - 15.86 AU

Year: 22648 Days

Day: 16.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,388,076 km

• M1: 74,649 km (0.046 R)
• M2: 419,323 km (0.094 R)
• M3: 628,760 km (0.075 R)
• M4: 2,302,760 km (0.106 R)
• M5: 2,602,405 km (0.084 R)
• M6: 2,808,550 km (0.109 R)
• M7: 4,771,723 km (0.111 R)
• M8: 5,223,808 km (0.11 R)
• M9: 6,092,822 km (0.119 R)
• M10: 6,880,455 km (0.044 R)
• M11: 7,142,850 km (0.033 R)
• M12: 7,457,304 km (0.105 R)
• M13: 10,033,828 km (0.116 R)
• M14: 10,314,624 km (0.083 R)
• M15: 11,248,563 km (0.108 R)
• M16: 14,744,516 km (0.108 R)
• M17: 16,697,965 km (0.043 R)
• M18: 17,655,242 km (0.098 R)
• M19: 18,230,296 km (0.081 R)
• M20: 19,941,995 km (0.082 R)
• M21: 25,093,696 km (0.112 R)
• M22: 25,403,364 km (0.113 R)
• M23: 26,990,448 km (0.106 R)
• M24: 27,206,916 km (0.099 R)
• M25: 32,511,656 km (0.114 R)
• M26: 34,127,014 km (0.111 R)
• M27: 34,890,263 km (0.1 R)
• M28: 38,193,533 km (0.104 R)
• M29: 38,878,243 km (0.042 R)
• M30: 40,839,022 km (0.118 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 19,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit