🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.3

Radius: 10.5

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.59 AU - 0.61 AU

Year: 321 Days

Day: 11.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,695,353 km

• M1: 130,599 km (0.059 R)
• M2: 504,743 km (0.091 R)
• M3: 848,818 km (0.106 R)
• M4: 1,282,503 km (0.104 R)
• M5: 1,622,389 km (0.055 R)
• M6: 1,968,708 km (0.059 R)
• M7: 2,382,496 km (0.09 R)
• M8: 2,997,193 km (0.057 R)
• M9: 4,460,261 km (0.108 R)
• M10: 4,796,706 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.8

Radius: 9.1

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.82 AU - 1.06 AU

Year: 629 Days

Day: 7.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,695,353 km

• M1: 113,246 km (0.058 R)
• M2: 428,149 km (0.064 R)
• M3: 723,754 km (0.109 R)
• M4: 1,028,635 km (0.11 R)
• M5: 1,853,518 km (0.048 R)
• M6: 3,086,952 km (0.106 R)
• M7: 3,558,036 km (0.112 R)
• M8: 3,939,062 km (0.105 R)
• M9: 4,630,503 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.1

Radius: 8.2

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.93 AU - 1.15 AU

Year: 732 Days

Day: 6.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,695,353 km

• M1: 102,026 km (0.091 R)
• M2: 363,672 km (0.097 R)
• M3: 632,350 km (0.116 R)
• M4: 999,763 km (0.092 R)
• M5: 1,391,410 km (0.097 R)
• M6: 2,005,808 km (0.073 R)
• M7: 2,485,868 km (0.103 R)
• M8: 2,913,419 km (0.111 R)
• M9: 4,263,689 km (0.098 R)
• M10: 4,842,034 km (0.084 R)
• M11: 7,052,343 km (0.118 R)
• M12: 8,211,128 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.8

Radius: 13

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.1 AU - 1.62 AU

Year: 1095 Days

Day: 11.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,695,353 km

• M1: 163,211 km (0.083 R)
• M2: 773,571 km (0.116 R)
• M3: 1,249,292 km (0.114 R)
• M4: 1,748,051 km (0.116 R)
• M5: 2,313,232 km (0.047 R)
• M6: 2,869,586 km (0.104 R)
• M7: 3,369,393 km (0.107 R)
• M8: 4,055,748 km (0.114 R)
• M9: 4,778,754 km (0.111 R)
• M10: 5,248,940 km (0.05 R)
• M11: 5,729,299 km (0.045 R)
• M12: 6,326,793 km (0.117 R)
• M13: 6,755,690 km (0.111 R)
• M14: 7,374,277 km (0.063 R)
• M15: 8,082,474 km (0.117 R)
• M16: 9,401,628 km (0.089 R)
• M17: 9,901,733 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.1

Radius: 12.3

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.54 AU - 1.6 AU

Year: 1358 Days

Day: 10.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,695,353 km

• M1: 153,188 km (0.079 R)
• M2: 590,313 km (0.04 R)
• M3: 1,036,863 km (0.043 R)
• M4: 1,764,507 km (0.052 R)
• M5: 2,279,872 km (0.089 R)
• M6: 2,673,763 km (0.104 R)
• M7: 3,312,246 km (0.056 R)
• M8: 3,752,812 km (0.058 R)
• M9: 4,693,334 km (0.1 R)
• M10: 5,166,213 km (0.062 R)
• M11: 5,580,749 km (0.107 R)
• M12: 6,934,161 km (0.109 R)
• M13: 9,616,301 km (0.091 R)
• M14: 10,314,025 km (0.06 R)
• M15: 12,847,016 km (0.076 R)
• M16: 13,611,611 km (0.062 R)
• M17: 14,278,967 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.5

Radius: 11.8

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.49 AU - 2.35 AU

Year: 1836 Days

Day: 8.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,695,353 km

• M1: 146,905 km (0.112 R)
• M2: 617,989 km (0.041 R)
• M3: 1,103,883 km (0.039 R)
• M4: 1,644,230 km (0.064 R)
• M5: 2,496,639 km (0.117 R)
• M6: 3,204,536 km (0.053 R)
• M7: 4,170,190 km (0.087 R)
• M8: 4,571,711 km (0.107 R)
• M9: 5,190,149 km (0.083 R)
• M10: 5,565,041 km (0.079 R)
• M11: 6,101,050 km (0.104 R)
• M12: 6,620,304 km (0.072 R)
• M13: 7,358,420 km (0.065 R)
• M14: 10,277,224 km (0.099 R)
• M15: 12,127,151 km (0.072 R)
• M16: 13,518,860 km (0.103 R)
• M17: 14,489,751 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.3

Radius: 4

Gravity: 45.52 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.75 AU - 7.51 AU

Year: 13142 Days

Day: 17.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 58,695,353 km

• M1: 50,714 km (0.1 R)
• M2: 190,887 km (0.082 R)
• M3: 830,418 km (0.087 R)
• M4: 1,165,966 km (0.069 R)
• M5: 1,494,932 km (0.089 R)
• M6: 1,665,024 km (0.073 R)
• M7: 2,718,044 km (0.063 R)
• M8: 2,854,926 km (0.089 R)
• M9: 3,422,650 km (0.118 R)
• M10: 3,859,625 km (0.094 R)
• M11: 4,394,737 km (0.119 R)
• M12: 5,182,968 km (0.11 R)
• M13: 5,393,751 km (0.079 R)
• M14: 6,657,853 km (0.095 R)
• M15: 7,249,214 km (0.045 R)
• M16: 7,513,254 km (0.118 R)
• M17: 9,080,591 km (0.092 R)
• M18: 10,238,927 km (0.079 R)
• M19: 12,033,204 km (0.073 R)
• M20: 13,361,184 km (0.08 R)
• M21: 13,824,788 km (0.06 R)
• M22: 14,505,458 km (0.06 R)
• M23: 22,863,940 km (0.062 R)
• M24: 26,408,363 km (0.083 R)
• M25: 26,615,256 km (0.114 R)
• M26: 27,242,819 km (0.047 R)
• M27: 27,454,201 km (0.106 R)
• M28: 28,202,490 km (0.101 R)
• M29: 28,418,808 km (0.114 R)
• M30: 32,980,197 km (0.12 R)
• M31: 33,220,302 km (0.031 R)
• M32: 34,315,059 km (0.096 R)
• M33: 35,183,026 km (0.069 R)
• M34: 38,535,065 km (0.057 R)
• M35: 38,668,058 km (0.075 R)
• M36: 40,425,234 km (0.066 R)
• M37: 43,231,391 km (0.096 R)
• M38: 43,375,005 km (0.094 R)
• M39: 50,808,822 km (0.12 R)
• M40: 50,968,892 km (0.078 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 17,610 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit