🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.6

Radius: 11.9

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.17 AU - 1.55 AU

Year: 1024 Days

Day: 12.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,866,717 km

• M1: 147,952 km (0.107 R)
• M2: 533,316 km (0.101 R)
• M3: 1,061,546 km (0.096 R)
• M4: 1,652,009 km (0.085 R)
• M5: 2,442,784 km (0.118 R)
• M6: 2,861,658 km (0.11 R)
• M7: 3,244,927 km (0.088 R)
• M8: 3,692,973 km (0.071 R)
• M9: 4,068,015 km (0.106 R)
• M10: 5,708,954 km (0.115 R)
• M11: 6,234,491 km (0.101 R)
• M12: 7,001,031 km (0.066 R)
• M13: 8,667,701 km (0.069 R)
• M14: 9,052,766 km (0.11 R)
• M15: 9,535,817 km (0.067 R)
• M16: 10,277,374 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.3

Radius: 9.8

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.21 AU - 1.91 AU

Year: 1258 Days

Day: 12.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,866,717 km

• M1: 121,922 km (0.106 R)
• M2: 456,872 km (0.075 R)
• M3: 808,876 km (0.113 R)
• M4: 1,229,246 km (0.09 R)
• M5: 1,628,522 km (0.07 R)
• M6: 2,068,639 km (0.116 R)
• M7: 2,509,953 km (0.072 R)
• M8: 2,884,995 km (0.097 R)
• M9: 3,782,732 km (0.111 R)
• M10: 5,617,998 km (0.051 R)
• M11: 6,384,538 km (0.102 R)
• M12: 7,759,193 km (0.105 R)
• M13: 8,679,369 km (0.101 R)
• M14: 10,598,261 km (0.065 R)
• M15: 11,154,466 km (0.051 R)
• M16: 11,548,058 km (0.109 R)
• M17: 12,099,625 km (0.066 R)
• M18: 13,295,212 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.6

Radius: 8.8

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.62 AU - 2.58 AU

Year: 1965 Days

Day: 5.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,866,717 km

• M1: 109,655 km (0.065 R)
• M2: 503,247 km (0.118 R)
• M3: 779,704 km (0.105 R)
• M4: 1,080,845 km (0.088 R)
• M5: 1,364,333 km (0.114 R)
• M6: 2,655,213 km (0.028 R)
• M7: 4,948,847 km (0.038 R)
• M8: 5,315,362 km (0.046 R)
• M9: 6,576,173 km (0.074 R)
• M10: 6,887,336 km (0.077 R)
• M11: 9,029,279 km (0.088 R)
• M12: 10,286,050 km (0.083 R)
• M13: 12,779,697 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.2

Radius: 9.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.87 AU - 3.81 AU

Year: 3941 Days

Day: 8.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,866,717 km

• M1: 118,182 km (0.104 R)
• M2: 456,872 km (0.117 R)
• M3: 927,357 km (0.04 R)
• M4: 1,261,260 km (0.082 R)
• M5: 1,972,149 km (0.117 R)
• M6: 3,110,888 km (0.12 R)
• M7: 4,783,542 km (0.106 R)
• M8: 5,210,045 km (0.082 R)
• M9: 6,114,963 km (0.095 R)
• M10: 6,413,410 km (0.112 R)
• M11: 8,910,648 km (0.107 R)
• M12: 10,166,522 km (0.12 R)
• M13: 10,551,138 km (0.115 R)
• M14: 11,424,191 km (0.108 R)
• M15: 12,863,472 km (0.111 R)
• M16: 13,944,616 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.7

Radius: 14.5

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.33 AU - 6.03 AU

Year: 7612 Days

Day: 11.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,866,717 km

• M1: 192,084 km (0.034 R)
• M2: 948,899 km (0.115 R)
• M3: 2,294,682 km (0.091 R)
• M4: 8,772,270 km (0.085 R)
• M5: 11,097,619 km (0.073 R)
• M6: 12,993,024 km (0.109 R)
• M7: 13,901,382 km (0.058 R)
• M8: 15,997,697 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.1

Radius: 3.4

Gravity: 60.65 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.7 AU - 6.9 AU

Year: 11449 Days

Day: 19.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,866,717 km

• M1: 42,336 km (0.084 R)
• M2: 254,616 km (0.046 R)
• M3: 393,293 km (0.045 R)
• M4: 582,085 km (0.066 R)
• M5: 828,623 km (0.098 R)
• M6: 1,585,737 km (0.11 R)
• M7: 1,805,945 km (0.062 R)
• M8: 2,268,502 km (0.11 R)
• M9: 3,151,728 km (0.073 R)
• M10: 4,481,055 km (0.091 R)
• M11: 5,217,675 km (0.114 R)
• M12: 5,422,324 km (0.102 R)
• M13: 7,049,500 km (0.09 R)
• M14: 7,817,985 km (0.106 R)
• M15: 8,040,886 km (0.104 R)
• M16: 14,151,211 km (0.096 R)
• M17: 14,750,948 km (0.082 R)
• M18: 15,298,177 km (0.063 R)
• M19: 15,647,040 km (0.096 R)
• M20: 22,506,401 km (0.103 R)
• M21: 27,598,713 km (0.115 R)
• M22: 30,137,538 km (0.079 R)
• M23: 38,551,222 km (0.081 R)
• M24: 43,917,447 km (0.106 R)
• M25: 47,659,787 km (0.062 R)
• M26: 50,833,207 km (0.1 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: 432 - 16,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit