🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.6

Radius: 11.9

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1 AU - 1.32 AU

Year: 833 Days

Day: 10.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,532,331 km

• M1: 147,952 km (0.082 R)
• M2: 898,186 km (0.092 R)
• M3: 1,329,925 km (0.063 R)
• M4: 1,799,214 km (0.05 R)
• M5: 2,235,740 km (0.105 R)
• M6: 2,881,554 km (0.118 R)
• M7: 3,395,124 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.2

Radius: 9.6

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.4 AU - 1.6 AU

Year: 1225 Days

Day: 5.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,532,331 km

• M1: 123,568 km (0.064 R)
• M2: 441,763 km (0.03 R)
• M3: 894,446 km (0.079 R)
• M4: 1,414,298 km (0.063 R)
• M5: 1,993,092 km (0.059 R)
• M6: 2,710,265 km (0.076 R)
• M7: 3,383,156 km (0.036 R)
• M8: 4,113,493 km (0.088 R)
• M9: 4,472,228 km (0.072 R)
• M10: 4,814,658 km (0.111 R)
• M11: 5,155,442 km (0.069 R)
• M12: 5,655,248 km (0.07 R)
• M13: 6,231,200 km (0.094 R)
• M14: 7,107,544 km (0.108 R)
• M15: 8,518,402 km (0.111 R)
• M16: 8,877,437 km (0.106 R)
• M17: 9,508,291 km (0.065 R)
• M18: 9,985,658 km (0.053 R)
• M19: 10,667,974 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.2

Radius: 14.1

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.07 AU - 3.19 AU

Year: 3693 Days

Day: 13.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,532,331 km

• M1: 175,628 km (0.074 R)
• M2: 885,919 km (0.044 R)
• M3: 1,501,813 km (0.066 R)
• M4: 2,034,082 km (0.074 R)
• M5: 3,529,762 km (0.116 R)
• M6: 4,351,054 km (0.114 R)
• M7: 4,868,513 km (0.088 R)
• M8: 6,795,932 km (0.107 R)
• M9: 7,430,077 km (0.06 R)
• M10: 8,278,148 km (0.044 R)
• M11: 9,303,641 km (0.105 R)
• M12: 11,343,558 km (0.09 R)
• M13: 11,964,688 km (0.099 R)
• M14: 12,422,158 km (0.12 R)
• M15: 13,865,329 km (0.092 R)
• M16: 14,940,190 km (0.102 R)
• M17: 18,438,985 km (0.069 R)
• M18: 21,767,687 km (0.109 R)
• M19: 22,450,900 km (0.115 R)
• M20: 23,932,368 km (0.055 R)
• M21: 24,513,556 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.9

Radius: 10.9

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.35 AU - 3.97 AU

Year: 4669 Days

Day: 5.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,532,331 km

• M1: 135,536 km (0.093 R)
• M2: 841,338 km (0.106 R)
• M3: 1,525,749 km (0.113 R)
• M4: 2,709,367 km (0.11 R)
• M5: 3,285,169 km (0.12 R)
• M6: 3,713,169 km (0.078 R)
• M7: 4,058,291 km (0.07 R)
• M8: 4,399,973 km (0.117 R)
• M9: 5,141,679 km (0.03 R)
• M10: 5,661,083 km (0.115 R)
• M11: 6,975,898 km (0.087 R)
• M12: 7,909,090 km (0.087 R)
• M13: 8,405,904 km (0.045 R)
• M14: 9,632,308 km (0.098 R)
• M15: 10,333,323 km (0.066 R)
• M16: 12,134,631 km (0.061 R)
• M17: 12,796,452 km (0.096 R)
• M18: 13,215,476 km (0.116 R)
• M19: 15,042,066 km (0.08 R)
• M20: 16,781,141 km (0.114 R)
• M21: 17,347,070 km (0.045 R)
• M22: 17,860,789 km (0.074 R)
• M23: 19,053,982 km (0.117 R)
• M24: 21,014,312 km (0.081 R)
• M25: 21,894,396 km (0.112 R)
• M26: 22,798,865 km (0.078 R)
• M27: 23,415,508 km (0.08 R)
• M28: 29,204,646 km (0.026 R)
• M29: 29,840,437 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.5

Radius: 4

Gravity: 15.41 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.53 AU - 12.35 AU

Year: 22495 Days

Day: 22.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 58,532,331 km

• M1: 51,462 km (0.109 R)
• M2: 357,838 km (0.112 R)
• M3: 539,001 km (0.099 R)
• M4: 868,416 km (0.106 R)
• M5: 1,292,675 km (0.097 R)
• M6: 1,461,422 km (0.078 R)
• M7: 1,741,918 km (0.058 R)
• M8: 3,736,805 km (0.055 R)
• M9: 4,413,586 km (0.096 R)
• M10: 4,667,154 km (0.089 R)
• M11: 5,134,049 km (0.102 R)
• M12: 6,804,609 km (0.101 R)
• M13: 7,186,083 km (0.108 R)
• M14: 7,762,035 km (0.063 R)
• M15: 12,808,719 km (0.056 R)
• M16: 14,055,318 km (0.103 R)
• M17: 14,259,370 km (0.106 R)
• M18: 14,603,595 km (0.115 R)
• M19: 15,597,224 km (0.076 R)
• M20: 19,012,244 km (0.091 R)
• M21: 20,109,245 km (0.065 R)
• M22: 21,516,512 km (0.056 R)
• M23: 23,271,146 km (0.087 R)
• M24: 23,844,554 km (0.1 R)
• M25: 24,231,863 km (0.103 R)
• M26: 25,823,734 km (0.089 R)
• M27: 27,696,101 km (0.119 R)
• M28: 28,231,961 km (0.087 R)
• M29: 31,942,586 km (0.093 R)
• M30: 32,177,305 km (0.118 R)
• M31: 33,368,553 km (0.119 R)
• M32: 43,254,579 km (0.063 R)
• M33: 44,411,718 km (0.108 R)
• M34: 45,441,101 km (0.053 R)
• M35: 46,185,949 km (0.076 R)
• M36: 48,469,561 km (0.114 R)
• M37: 51,307,881 km (0.033 R)
• M38: 55,261,753 km (0.048 R)
• M39: 55,939,880 km (0.089 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 12,785 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit