🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.9

Radius: 12.5

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1 AU - 1.08 AU

Year: 719 Days

Day: 8.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,369,211 km

• M1: 156,031 km (0.114 R)
• M2: 651,050 km (0.066 R)
• M3: 1,047,783 km (0.104 R)
• M4: 1,593,217 km (0.103 R)
• M5: 2,138,202 km (0.067 R)
• M6: 3,282,476 km (0.113 R)
• M7: 3,799,936 km (0.08 R)
• M8: 4,530,572 km (0.087 R)
• M9: 5,031,425 km (0.113 R)
• M10: 5,966,412 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.5

Radius: 10

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.12 AU - 1.14 AU

Year: 815 Days

Day: 10.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,369,211 km

• M1: 124,316 km (0.08 R)
• M2: 441,015 km (0.072 R)
• M3: 754,871 km (0.051 R)
• M4: 1,339,799 km (0.077 R)
• M5: 1,922,632 km (0.12 R)
• M6: 2,546,006 km (0.104 R)
• M7: 3,022,625 km (0.084 R)
• M8: 3,387,644 km (0.112 R)
• M9: 3,965,690 km (0.087 R)
• M10: 4,298,545 km (0.107 R)
• M11: 4,875,694 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.2

Radius: 8.9

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.53 AU - 1.97 AU

Year: 1570 Days

Day: 12.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,369,211 km

• M1: 110,852 km (0.026 R)
• M2: 395,537 km (0.101 R)
• M3: 807,081 km (0.095 R)
• M4: 1,319,004 km (0.06 R)
• M5: 2,164,831 km (0.044 R)
• M6: 2,588,193 km (0.111 R)
• M7: 3,020,231 km (0.094 R)
• M8: 4,198,464 km (0.094 R)
• M9: 4,672,689 km (0.112 R)
• M10: 5,226,351 km (0.088 R)
• M11: 6,162,983 km (0.111 R)
• M12: 6,749,856 km (0.1 R)
• M13: 7,262,378 km (0.073 R)
• M14: 8,334,995 km (0.114 R)
• M15: 9,020,901 km (0.102 R)
• M16: 10,719,286 km (0.09 R)
• M17: 11,643,950 km (0.098 R)
• M18: 13,108,663 km (0.118 R)
• M19: 14,208,955 km (0.106 R)
• M20: 15,369,685 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.6

Radius: 14.6

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.21 AU - 3.57 AU

Year: 4233 Days

Day: 9.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,369,211 km

• M1: 195,225 km (0.086 R)
• M2: 1,225,057 km (0.081 R)
• M3: 1,941,481 km (0.095 R)
• M4: 2,751,554 km (0.119 R)
• M5: 3,821,627 km (0.086 R)
• M6: 4,321,583 km (0.046 R)
• M7: 4,995,073 km (0.106 R)
• M8: 5,737,976 km (0.068 R)
• M9: 8,605,468 km (0.089 R)
• M10: 9,511,433 km (0.117 R)
• M11: 10,008,995 km (0.091 R)
• M12: 11,146,837 km (0.103 R)
• M13: 13,165,061 km (0.052 R)
• M14: 14,368,427 km (0.08 R)
• M15: 17,542,594 km (0.107 R)
• M16: 19,260,576 km (0.115 R)
• M17: 20,603,666 km (0.067 R)
• M18: 21,722,508 km (0.071 R)
• M19: 28,355,828 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.7

Radius: 7.2

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.06 AU - 6.88 AU

Year: 9894 Days

Day: 16.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,369,211 km

• M1: 119,529 km (0.119 R)
• M2: 699,669 km (0.091 R)
• M3: 1,644,679 km (0.09 R)
• M4: 2,187,570 km (0.098 R)
• M5: 4,236,612 km (0.096 R)
• M6: 7,277,188 km (0.061 R)
• M7: 10,999,632 km (0.062 R)
• M8: 12,021,834 km (0.104 R)
• M9: 15,646,142 km (0.111 R)
• M10: 17,190,441 km (0.112 R)
• M11: 21,306,327 km (0.087 R)
• M12: 24,549,310 km (0.087 R)
• M13: 26,118,891 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.5

Radius: 5.8

Gravity: 21.6 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.37 AU - 8.99 AU

Year: 14436 Days

Day: 22.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,369,211 km

• M1: 73,153 km (0.078 R)
• M2: 299,944 km (0.075 R)
• M3: 578,495 km (0.119 R)
• M4: 978,071 km (0.068 R)
• M5: 1,515,875 km (0.046 R)
• M6: 2,746,019 km (0.096 R)
• M7: 3,521,235 km (0.085 R)
• M8: 3,857,531 km (0.092 R)
• M9: 8,056,294 km (0.115 R)
• M10: 8,540,991 km (0.038 R)
• M11: 9,837,855 km (0.094 R)
• M12: 11,201,290 km (0.09 R)
• M13: 12,177,267 km (0.109 R)
• M14: 14,720,580 km (0.112 R)
• M15: 18,083,241 km (0.038 R)
• M16: 19,082,106 km (0.073 R)
• M17: 19,942,144 km (0.049 R)
• M18: 20,917,672 km (0.057 R)
• M19: 22,204,812 km (0.109 R)
• M20: 24,332,842 km (0.066 R)
• M21: 26,067,579 km (0.094 R)
• M22: 27,340,656 km (0.099 R)
• M23: 28,543,423 km (0.08 R)
• M24: 29,101,723 km (0.116 R)
• M25: 29,553,508 km (0.034 R)
• M26: 34,332,113 km (0.113 R)
• M27: 35,473,993 km (0.113 R)
• M28: 37,300,284 km (0.105 R)
• M29: 44,632,375 km (0.063 R)
• M30: 46,144,510 km (0.068 R)
• M31: 46,450,887 km (0.098 R)
• M32: 49,430,428 km (0.115 R)
• M33: 52,036,273 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.4

Radius: 3.4

Gravity: 78.58 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.69 AU - 8.95 AU

Year: 14832 Days

Day: 15.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 61,369,211 km

• M1: 42,336 km (0.099 R)
• M2: 246,687 km (0.1 R)
• M3: 415,433 km (0.085 R)
• M4: 667,207 km (0.11 R)
• M5: 1,098,946 km (0.09 R)
• M6: 1,781,711 km (0.117 R)
• M7: 2,081,355 km (0.085 R)
• M8: 3,078,724 km (0.051 R)
• M9: 3,262,430 km (0.104 R)
• M10: 3,370,739 km (0.09 R)
• M11: 3,481,292 km (0.025 R)
• M12: 3,798,140 km (0.095 R)
• M13: 4,165,403 km (0.076 R)
• M14: 4,390,249 km (0.071 R)
• M15: 4,899,181 km (0.066 R)
• M16: 5,333,912 km (0.105 R)
• M17: 6,532,490 km (0.081 R)
• M18: 7,013,597 km (0.109 R)
• M19: 10,641,794 km (0.088 R)
• M20: 11,183,638 km (0.107 R)
• M21: 12,519,247 km (0.069 R)
• M22: 12,919,571 km (0.083 R)
• M23: 13,675,489 km (0.096 R)
• M24: 14,460,579 km (0.078 R)
• M25: 15,732,011 km (0.087 R)
• M26: 17,321,040 km (0.091 R)
• M27: 17,817,854 km (0.112 R)
• M28: 18,494,934 km (0.085 R)
• M29: 18,926,674 km (0.103 R)
• M30: 19,277,032 km (0.08 R)
• M31: 28,004,572 km (0.087 R)
• M32: 32,151,126 km (0.09 R)
• M33: 33,534,158 km (0.119 R)
• M34: 36,283,916 km (0.096 R)
• M35: 37,920,667 km (0.088 R)
• M36: 40,611,783 km (0.108 R)
• M37: 44,342,903 km (0.113 R)
• M38: 49,609,047 km (0.05 R)
• M39: 50,107,508 km (0.086 R)
• M40: 51,283,496 km (0.117 R)
• M41: 58,542,883 km (0.04 R)
• M42: 60,411,809 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.2

Radius: 7

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.27 AU - 10.61 AU

Year: 21255 Days

Day: 19.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,369,211 km

• M1: 87,066 km (0.085 R)
• M2: 357,389 km (0.093 R)
• M3: 687,701 km (0.113 R)
• M4: 977,323 km (0.075 R)
• M5: 1,320,201 km (0.084 R)
• M6: 2,289,296 km (0.102 R)
• M7: 3,018,287 km (0.096 R)
• M8: 7,165,289 km (0.107 R)
• M9: 11,436,009 km (0.096 R)
• M10: 12,355,887 km (0.06 R)
• M11: 13,323,934 km (0.118 R)
• M12: 14,203,121 km (0.052 R)
• M13: 16,227,180 km (0.107 R)
• M14: 16,454,868 km (0.051 R)
• M15: 18,684,026 km (0.062 R)
• M16: 21,835,754 km (0.036 R)
• M17: 42,134,539 km (0.091 R)
• M18: 43,727,458 km (0.106 R)
• M19: 45,060,225 km (0.031 R)
• M20: 48,275,083 km (0.106 R)
• M21: 48,746,466 km (0.076 R)
• M22: 53,798,835 km (0.093 R)
• M23: 54,475,167 km (0.104 R)
• M24: 55,328,623 km (0.043 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 14,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit