🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.4

Radius: 14.1

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.41 AU - 1.47 AU

Year: 1152 Days

Day: 9.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,151,419 km

• M1: 175,777 km (0.045 R)
• M2: 731,384 km (0.095 R)
• M3: 1,742,815 km (0.097 R)
• M4: 2,213,001 km (0.058 R)
• M5: 3,951,029 km (0.037 R)
• M6: 5,113,255 km (0.104 R)
• M7: 5,794,374 km (0.094 R)
• M8: 7,018,683 km (0.071 R)
• M9: 8,982,155 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.3

Radius: 8.2

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.11 AU - 3.07 AU

Year: 2780 Days

Day: 14.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,151,419 km

• M1: 102,026 km (0.076 R)
• M2: 434,582 km (0.12 R)
• M3: 759,508 km (0.041 R)
• M4: 1,359,396 km (0.092 R)
• M5: 2,299,918 km (0.107 R)
• M6: 2,637,859 km (0.085 R)
• M7: 3,111,187 km (0.101 R)
• M8: 5,212,887 km (0.112 R)
• M9: 5,564,742 km (0.082 R)
• M10: 6,658,003 km (0.089 R)
• M11: 8,976,321 km (0.07 R)
• M12: 10,512,691 km (0.087 R)
• M13: 11,239,737 km (0.037 R)
• M14: 12,260,593 km (0.056 R)
• M15: 13,716,330 km (0.051 R)
• M16: 15,081,709 km (0.114 R)
• M17: 16,535,501 km (0.057 R)
• M18: 18,712,749 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.6

Radius: 8

Gravity: 14.32 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.07 AU - 3.41 AU

Year: 3025 Days

Day: 5 Hours

Environment

Temp: -206 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,151,419 km

• M1: 99,483 km (0.043 R)
• M2: 365,916 km (0.062 R)
• M3: 951,143 km (0.079 R)
• M4: 1,473,090 km (0.113 R)
• M5: 2,391,322 km (0.06 R)
• M6: 2,769,954 km (0.091 R)
• M7: 3,026,515 km (0.106 R)
• M8: 4,966,949 km (0.086 R)
• M9: 5,531,980 km (0.083 R)
• M10: 7,420,802 km (0.071 R)
• M11: 7,885,154 km (0.1 R)
• M12: 8,617,885 km (0.092 R)
• M13: 9,859,846 km (0.111 R)
• M14: 11,962,893 km (0.096 R)
• M15: 13,071,563 km (0.1 R)
• M16: 13,359,090 km (0.073 R)
• M17: 14,297,517 km (0.118 R)
• M18: 14,860,604 km (0.062 R)
• M19: 15,813,841 km (0.074 R)
• M20: 16,140,413 km (0.047 R)
• M21: 16,582,924 km (0.089 R)
• M22: 18,675,050 km (0.094 R)
• M23: 22,956,392 km (0.119 R)
• M24: 23,375,415 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.6

Radius: 13.8

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.52 AU - 5.96 AU

Year: 7999 Days

Day: 9.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,151,419 km

• M1: 175,478 km (0.115 R)
• M2: 759,060 km (0.077 R)
• M3: 1,835,865 km (0.108 R)
• M4: 2,738,688 km (0.115 R)
• M5: 4,337,291 km (0.101 R)
• M6: 6,107,183 km (0.086 R)
• M7: 6,743,872 km (0.113 R)
• M8: 8,192,279 km (0.052 R)
• M9: 11,071,140 km (0.068 R)
• M10: 11,751,062 km (0.056 R)
• M11: 13,720,967 km (0.075 R)
• M12: 17,736,772 km (0.086 R)
• M13: 21,339,837 km (0.052 R)
• M14: 23,228,361 km (0.086 R)
• M15: 24,782,234 km (0.042 R)
• M16: 25,225,941 km (0.07 R)
• M17: 26,312,470 km (0.105 R)
• M18: 34,588,673 km (0.118 R)
• M19: 38,714,583 km (0.095 R)
• M20: 39,192,398 km (0.079 R)
• M21: 41,267,171 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.5

Radius: 6.5

Gravity: 14.73 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 10.35 AU - 11.17 AU

Year: 23537 Days

Day: 24.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,151,419 km

• M1: 81,082 km (0.098 R)
• M2: 374,743 km (0.114 R)
• M3: 592,108 km (0.066 R)
• M4: 896,540 km (0.111 R)
• M5: 1,229,694 km (0.105 R)
• M6: 1,941,032 km (0.104 R)
• M7: 3,138,713 km (0.073 R)
• M8: 4,237,958 km (0.102 R)
• M9: 4,727,891 km (0.112 R)
• M10: 5,062,392 km (0.089 R)
• M11: 10,650,471 km (0.106 R)
• M12: 11,290,899 km (0.104 R)
• M13: 11,888,992 km (0.101 R)
• M14: 14,648,773 km (0.028 R)
• M15: 17,631,455 km (0.09 R)
• M16: 18,254,979 km (0.076 R)
• M17: 19,357,964 km (0.089 R)
• M18: 22,205,859 km (0.098 R)
• M19: 31,097,957 km (0.101 R)
• M20: 32,668,285 km (0.031 R)
• M21: 34,982,116 km (0.11 R)
• M22: 36,823,665 km (0.085 R)
• M23: 44,182,983 km (0.06 R)
• M24: 46,164,706 km (0.09 R)
• M25: 47,177,484 km (0.084 R)
• M26: 50,127,554 km (0.075 R)
• M27: 52,464,572 km (0.092 R)
• M28: 54,124,510 km (0.05 R)
• M29: 55,061,740 km (0.112 R)
• M30: 62,745,985 km (0.109 R)
• M31: 69,121,247 km (0.062 R)
• M32: 69,561,065 km (0.095 R)
• M33: 75,681,563 km (0.118 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 12,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit