🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.6

Radius: 14

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.46 AU - 0.66 AU

Year: 279 Days

Day: 6.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,470,046 km

• M1: 174,132 km (0.084 R)
• M2: 747,241 km (0.08 R)
• M3: 1,262,905 km (0.057 R)
• M4: 1,756,279 km (0.118 R)
• M5: 2,431,115 km (0.082 R)
• M6: 2,869,287 km (0.074 R)
• M7: 3,789,464 km (0.079 R)
• M8: 4,555,554 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.4

Radius: 8.1

Gravity: 13.56 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.49 AU - 0.75 AU

Year: 326 Days

Day: 13.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,470,046 km

• M1: 100,679 km (0.072 R)
• M2: 580,589 km (0.108 R)
• M3: 966,253 km (0.06 R)
• M4: 1,570,628 km (0.058 R)
• M5: 1,902,586 km (0.068 R)
• M6: 2,160,792 km (0.101 R)
• M7: 3,324,364 km (0.081 R)
• M8: 4,213,873 km (0.079 R)
• M9: 4,473,126 km (0.102 R)
• M10: 5,191,495 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.6

Radius: 12.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.63 AU - 0.65 AU

Year: 341 Days

Day: 10.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,470,046 km

• M1: 154,385 km (0.05 R)
• M2: 664,963 km (0.112 R)
• M3: 1,061,995 km (0.095 R)
• M4: 1,663,977 km (0.098 R)
• M5: 2,331,184 km (0.115 R)
• M6: 2,926,134 km (0.087 R)
• M7: 3,363,110 km (0.109 R)
• M8: 3,867,703 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.4

Radius: 8.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.95 AU - 2.65 AU

Year: 2326 Days

Day: 11.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,470,046 km

• M1: 109,506 km (0.086 R)
• M2: 383,569 km (0.1 R)
• M3: 663,018 km (0.095 R)
• M4: 946,207 km (0.026 R)
• M5: 1,244,056 km (0.073 R)
• M6: 1,890,767 km (0.096 R)
• M7: 2,267,605 km (0.1 R)
• M8: 2,655,362 km (0.083 R)
• M9: 3,275,595 km (0.068 R)
• M10: 3,822,226 km (0.088 R)
• M11: 5,097,099 km (0.093 R)
• M12: 5,424,419 km (0.084 R)
• M13: 6,167,172 km (0.114 R)
• M14: 6,658,751 km (0.068 R)
• M15: 7,226,774 km (0.088 R)
• M16: 7,800,183 km (0.112 R)
• M17: 8,319,437 km (0.116 R)
• M18: 8,630,451 km (0.059 R)
• M19: 11,030,150 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.7

Radius: 9.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.83 AU - 4.19 AU

Year: 4385 Days

Day: 6.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,470,046 km

• M1: 122,221 km (0.104 R)
• M2: 727,494 km (0.065 R)
• M3: 1,097,450 km (0.084 R)
• M4: 1,518,718 km (0.099 R)
• M5: 1,995,037 km (0.117 R)
• M6: 2,599,712 km (0.106 R)
• M7: 2,920,450 km (0.069 R)
• M8: 3,451,672 km (0.092 R)
• M9: 5,312,220 km (0.104 R)
• M10: 5,699,380 km (0.11 R)
• M11: 6,735,644 km (0.099 R)
• M12: 7,097,521 km (0.108 R)
• M13: 7,893,083 km (0.11 R)
• M14: 9,251,282 km (0.085 R)
• M15: 9,623,481 km (0.059 R)
• M16: 10,044,151 km (0.1 R)
• M17: 10,678,296 km (0.08 R)
• M18: 12,290,961 km (0.095 R)
• M19: 13,062,587 km (0.054 R)
• M20: 13,484,154 km (0.07 R)
• M21: 14,803,158 km (0.112 R)
• M22: 19,214,799 km (0.073 R)
• M23: 19,699,197 km (0.062 R)
• M24: 20,692,377 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.2

Radius: 9.4

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.8 AU - 4.92 AU

Year: 7145 Days

Day: 10 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,470,046 km

• M1: 117,434 km (0.079 R)
• M2: 420,968 km (0.114 R)
• M3: 1,364,333 km (0.08 R)
• M4: 1,805,347 km (0.084 R)
• M5: 2,666,881 km (0.119 R)
• M6: 3,275,296 km (0.113 R)
• M7: 4,527,580 km (0.072 R)
• M8: 4,879,733 km (0.105 R)
• M9: 5,202,864 km (0.111 R)
• M10: 6,312,581 km (0.104 R)
• M11: 8,262,889 km (0.079 R)
• M12: 8,993,974 km (0.069 R)
• M13: 10,133,461 km (0.107 R)
• M14: 10,815,328 km (0.067 R)
• M15: 11,853,836 km (0.117 R)
• M16: 12,567,867 km (0.1 R)
• M17: 14,502,167 km (0.061 R)
• M18: 18,448,110 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.4

Radius: 4.2

Gravity: 55.58 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.5 AU - 8.34 AU

Year: 12139 Days

Day: 15.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,470,046 km

• M1: 52,210 km (0.096 R)
• M2: 323,131 km (0.058 R)
• M3: 558,449 km (0.115 R)
• M4: 770,579 km (0.026 R)
• M5: 955,482 km (0.039 R)
• M6: 1,846,786 km (0.071 R)
• M7: 2,870,185 km (0.109 R)
• M8: 3,112,982 km (0.1 R)
• M9: 4,700,814 km (0.115 R)
• M10: 5,319,850 km (0.095 R)
• M11: 5,648,965 km (0.116 R)
• M12: 6,676,104 km (0.12 R)
• M13: 7,637,719 km (0.042 R)
• M14: 8,990,533 km (0.116 R)
• M15: 9,195,931 km (0.113 R)
• M16: 11,188,574 km (0.099 R)
• M17: 11,486,424 km (0.045 R)
• M18: 11,850,545 km (0.114 R)
• M19: 12,411,387 km (0.113 R)
• M20: 13,186,304 km (0.05 R)
• M21: 13,992,936 km (0.114 R)
• M22: 16,152,531 km (0.04 R)
• M23: 17,075,251 km (0.072 R)
• M24: 17,549,625 km (0.029 R)
• M25: 19,620,658 km (0.103 R)
• M26: 22,127,320 km (0.077 R)
• M27: 23,072,031 km (0.057 R)
• M28: 23,944,785 km (0.111 R)
• M29: 27,765,066 km (0.104 R)
• M30: 27,982,431 km (0.105 R)
• M31: 30,912,156 km (0.06 R)
• M32: 33,422,857 km (0.094 R)
• M33: 36,846,255 km (0.11 R)
• M34: 39,527,647 km (0.101 R)
• M35: 43,204,164 km (0.1 R)
• M36: 52,876,863 km (0.112 R)
• M37: 58,035,297 km (0.036 R)
• M38: 61,470,064 km (0.101 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: 369 - 13,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit