🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.2

Radius: 13.1

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.79 AU - 0.81 AU

Year: 462 Days

Day: 5.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,148,347 km

• M1: 162,912 km (0.105 R)
• M2: 580,290 km (0.104 R)
• M3: 1,249,292 km (0.098 R)
• M4: 1,736,233 km (0.07 R)
• M5: 2,541,967 km (0.099 R)
• M6: 3,283,224 km (0.115 R)
• M7: 3,742,340 km (0.089 R)
• M8: 4,325,622 km (0.095 R)
• M9: 4,864,773 km (0.119 R)
• M10: 5,306,236 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.8

Radius: 10.4

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4 AU - 5.52 AU

Year: 6705 Days

Day: 15 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,148,347 km

• M1: 132,843 km (0.033 R)
• M2: 464,501 km (0.064 R)
• M3: 1,183,469 km (0.06 R)
• M4: 1,612,815 km (0.11 R)
• M5: 2,145,383 km (0.118 R)
• M6: 2,539,873 km (0.105 R)
• M7: 2,886,341 km (0.109 R)
• M8: 3,369,393 km (0.092 R)
• M9: 5,618,896 km (0.078 R)
• M10: 5,988,852 km (0.065 R)
• M11: 6,408,025 km (0.106 R)
• M12: 7,162,148 km (0.032 R)
• M13: 8,363,119 km (0.098 R)
• M14: 9,263,699 km (0.091 R)
• M15: 11,946,886 km (0.073 R)
• M16: 13,740,564 km (0.103 R)
• M17: 16,011,161 km (0.109 R)
• M18: 16,443,798 km (0.095 R)
• M19: 17,920,179 km (0.092 R)
• M20: 20,841,227 km (0.089 R)
• M21: 23,506,463 km (0.113 R)
• M22: 24,551,853 km (0.09 R)
• M23: 25,880,731 km (0.083 R)
• M24: 27,432,360 km (0.075 R)
• M25: 28,052,144 km (0.069 R)
• M26: 29,874,545 km (0.067 R)
• M27: 31,581,158 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.2

Radius: 12

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.02 AU - 6.5 AU

Year: 7789 Days

Day: 13.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,148,347 km

• M1: 149,299 km (0.096 R)
• M2: 544,087 km (0.063 R)
• M3: 987,346 km (0.112 R)
• M4: 1,410,259 km (0.099 R)
• M5: 1,981,573 km (0.108 R)
• M6: 2,500,379 km (0.099 R)
• M7: 3,216,354 km (0.069 R)
• M8: 3,692,823 km (0.078 R)
• M9: 4,129,350 km (0.085 R)
• M10: 5,007,490 km (0.067 R)
• M11: 6,977,095 km (0.118 R)
• M12: 8,015,903 km (0.109 R)
• M13: 13,703,763 km (0.11 R)
• M14: 16,078,480 km (0.111 R)
• M15: 18,356,407 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.3

Radius: 8.3

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.13 AU - 5.77 AU

Year: 8215 Days

Day: 6 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,148,347 km

• M1: 103,223 km (0.09 R)
• M2: 1,114,654 km (0.098 R)
• M3: 1,642,884 km (0.1 R)
• M4: 2,456,995 km (0.115 R)
• M5: 2,891,128 km (0.06 R)
• M6: 3,964,942 km (0.07 R)
• M7: 5,572,969 km (0.102 R)
• M8: 6,182,581 km (0.109 R)
• M9: 6,836,024 km (0.101 R)
• M10: 14,492,892 km (0.045 R)
• M11: 14,869,879 km (0.1 R)
• M12: 20,463,792 km (0.079 R)
• M13: 27,796,481 km (0.107 R)
• M14: 32,577,928 km (0.1 R)
• M15: 34,657,040 km (0.077 R)
• M16: 36,591,041 km (0.086 R)
• M17: 40,672,819 km (0.094 R)
• M18: 41,549,313 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.6

Radius: 5.7

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.42 AU - 7.96 AU

Year: 12448 Days

Day: 23.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,148,347 km

• M1: 83,775 km (0.094 R)
• M2: 274,362 km (0.108 R)
• M3: 498,460 km (0.106 R)
• M4: 727,195 km (0.071 R)
• M5: 1,025,643 km (0.06 R)
• M6: 1,379,292 km (0.063 R)
• M7: 1,671,307 km (0.098 R)
• M8: 2,113,668 km (0.084 R)
• M9: 3,605,458 km (0.052 R)
• M10: 3,888,797 km (0.031 R)
• M11: 4,828,570 km (0.101 R)
• M12: 6,008,000 km (0.117 R)
• M13: 8,586,170 km (0.112 R)
• M14: 9,352,111 km (0.099 R)
• M15: 9,617,348 km (0.096 R)
• M16: 11,117,216 km (0.079 R)
• M17: 11,414,766 km (0.097 R)
• M18: 16,929,542 km (0.096 R)
• M19: 18,130,065 km (0.09 R)
• M20: 19,315,030 km (0.112 R)
• M21: 20,699,558 km (0.117 R)
• M22: 21,074,600 km (0.08 R)
• M23: 22,148,862 km (0.086 R)
• M24: 22,938,290 km (0.058 R)
• M25: 23,178,694 km (0.06 R)
• M26: 23,664,588 km (0.07 R)
• M27: 24,239,941 km (0.088 R)
• M28: 24,656,721 km (0.12 R)
• M29: 30,420,428 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 18,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit