🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.3

Radius: 11.1

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.68 AU - 0.88 AU

Year: 476 Days

Day: 7.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,505,268 km

• M1: 138,079 km (0.059 R)
• M2: 531,970 km (0.075 R)
• M3: 1,193,492 km (0.078 R)
• M4: 1,791,734 km (0.109 R)
• M5: 2,226,166 km (0.032 R)
• M6: 2,935,260 km (0.059 R)
• M7: 3,288,909 km (0.111 R)
• M8: 3,706,287 km (0.113 R)
• M9: 4,158,821 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.5

Radius: 9.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.13 AU - 1.15 AU

Year: 840 Days

Day: 9.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,505,268 km

• M1: 122,221 km (0.101 R)
• M2: 438,621 km (0.069 R)
• M3: 849,566 km (0.094 R)
• M4: 1,254,677 km (0.109 R)
• M5: 2,692,911 km (0.116 R)
• M6: 3,842,122 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.8

Radius: 10.4

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.37 AU - 1.59 AU

Year: 1243 Days

Day: 5.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,505,268 km

• M1: 130,449 km (0.039 R)
• M2: 467,643 km (0.054 R)
• M3: 947,553 km (0.066 R)
• M4: 2,372,473 km (0.083 R)
• M5: 3,943,400 km (0.097 R)
• M6: 4,510,525 km (0.098 R)
• M7: 4,930,297 km (0.051 R)
• M8: 5,868,874 km (0.083 R)
• M9: 7,602,713 km (0.093 R)
• M10: 8,456,468 km (0.096 R)
• M11: 9,456,979 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.6

Radius: 12.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.16 AU - 2.48 AU

Year: 2439 Days

Day: 13.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,505,268 km

• M1: 156,629 km (0.066 R)
• M2: 585,526 km (0.077 R)
• M3: 1,165,816 km (0.076 R)
• M4: 1,713,045 km (0.102 R)
• M5: 2,390,275 km (0.097 R)
• M6: 2,887,089 km (0.072 R)
• M7: 3,502,834 km (0.079 R)
• M8: 3,979,303 km (0.085 R)
• M9: 5,375,201 km (0.113 R)
• M10: 6,160,291 km (0.11 R)
• M11: 7,522,529 km (0.098 R)
• M12: 8,883,421 km (0.07 R)
• M13: 9,438,130 km (0.118 R)
• M14: 10,085,440 km (0.105 R)
• M15: 10,689,516 km (0.109 R)
• M16: 11,468,921 km (0.096 R)
• M17: 12,526,428 km (0.064 R)
• M18: 13,862,636 km (0.065 R)
• M19: 15,245,519 km (0.119 R)
• M20: 15,757,742 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.6

Radius: 12.3

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.28 AU - 5.23 AU

Year: 7146 Days

Day: 8.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,505,268 km

• M1: 154,235 km (0.101 R)
• M2: 564,732 km (0.067 R)
• M3: 1,271,731 km (0.108 R)
• M4: 1,754,633 km (0.063 R)
• M5: 2,837,423 km (0.065 R)
• M6: 3,916,622 km (0.082 R)
• M7: 4,757,960 km (0.111 R)
• M8: 6,275,481 km (0.077 R)
• M9: 7,276,141 km (0.1 R)
• M10: 8,972,880 km (0.084 R)
• M11: 9,867,625 km (0.069 R)
• M12: 10,969,114 km (0.025 R)
• M13: 11,782,478 km (0.081 R)
• M14: 13,933,845 km (0.032 R)
• M15: 18,502,414 km (0.116 R)
• M16: 19,508,310 km (0.05 R)
• M17: 21,162,115 km (0.073 R)
• M18: 27,411,865 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.5

Radius: 7.4

Gravity: 14.2 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.1 AU - 8.66 AU

Year: 16745 Days

Day: 16.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,505,268 km

• M1: 92,302 km (0.113 R)
• M2: 349,161 km (0.104 R)
• M3: 630,405 km (0.093 R)
• M4: 883,375 km (0.11 R)
• M5: 1,232,387 km (0.086 R)
• M6: 1,739,225 km (0.082 R)
• M7: 3,515,999 km (0.119 R)
• M8: 4,804,336 km (0.092 R)
• M9: 5,088,422 km (0.058 R)
• M10: 5,729,449 km (0.084 R)
• M11: 6,465,770 km (0.075 R)
• M12: 8,224,891 km (0.104 R)
• M13: 8,580,635 km (0.068 R)
• M14: 8,893,743 km (0.084 R)
• M15: 15,530,503 km (0.077 R)
• M16: 16,631,094 km (0.119 R)
• M17: 18,723,969 km (0.111 R)
• M18: 22,923,031 km (0.039 R)
• M19: 23,425,082 km (0.101 R)
• M20: 26,264,300 km (0.049 R)
• M21: 30,758,369 km (0.09 R)
• M22: 32,868,298 km (0.05 R)
• M23: 36,143,594 km (0.109 R)
• M24: 37,929,792 km (0.089 R)
• M25: 40,499,136 km (0.037 R)
• M26: 48,569,043 km (0.095 R)
• M27: 64,157,740 km (0.109 R)
• M28: 67,179,168 km (0.091 R)
• M29: 69,245,414 km (0.114 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 15,213 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit