🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.6

Radius: 13.4

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.55 AU - 0.59 AU

Year: 287 Days

Day: 10.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,430,582 km

• M1: 170,841 km (0.108 R)
• M2: 614,997 km (0.103 R)
• M3: 1,264,850 km (0.09 R)
• M4: 1,735,485 km (0.118 R)
• M5: 2,195,050 km (0.09 R)
• M6: 2,761,427 km (0.114 R)
• M7: 3,198,402 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.8

Radius: 8.8

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.48 AU - 0.78 AU

Year: 333 Days

Day: 10.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,430,582 km

• M1: 109,506 km (0.108 R)
• M2: 495,169 km (0.067 R)
• M3: 847,622 km (0.034 R)
• M4: 1,289,384 km (0.066 R)
• M5: 1,574,817 km (0.068 R)
• M6: 2,088,087 km (0.089 R)
• M7: 2,505,016 km (0.112 R)
• M8: 3,062,867 km (0.096 R)
• M9: 3,813,699 km (0.071 R)
• M10: 4,111,847 km (0.092 R)
• M11: 5,009,434 km (0.117 R)
• M12: 5,319,999 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.4

Radius: 10.5

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.63 AU - 0.85 AU

Year: 424 Days

Day: 10.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,430,582 km

• M1: 130,599 km (0.088 R)
• M2: 692,937 km (0.07 R)
• M3: 1,109,567 km (0.108 R)
• M4: 1,535,323 km (0.114 R)
• M5: 2,171,862 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.7

Radius: 14.4

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.58 AU - 2.24 AU

Year: 1760 Days

Day: 13.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,430,582 km

• M1: 179,069 km (0.119 R)
• M2: 781,649 km (0.118 R)
• M3: 1,378,544 km (0.079 R)
• M4: 1,832,424 km (0.061 R)
• M5: 2,400,896 km (0.071 R)
• M6: 3,223,385 km (0.118 R)
• M7: 3,693,123 km (0.073 R)
• M8: 5,041,448 km (0.11 R)
• M9: 5,587,780 km (0.106 R)
• M10: 6,270,844 km (0.059 R)
• M11: 7,607,650 km (0.075 R)
• M12: 8,448,390 km (0.093 R)
• M13: 8,938,323 km (0.119 R)
• M14: 12,405,553 km (0.066 R)
• M15: 13,612,509 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.2

Radius: 9.2

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.28 AU - 4.76 AU

Year: 6408 Days

Day: 6 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,430,582 km

• M1: 114,442 km (0.107 R)
• M2: 408,701 km (0.115 R)
• M3: 939,475 km (0.12 R)
• M4: 6,172,707 km (0.063 R)
• M5: 6,774,240 km (0.03 R)
• M6: 7,289,455 km (0.067 R)
• M7: 7,797,939 km (0.091 R)
• M8: 8,850,509 km (0.047 R)
• M9: 9,540,903 km (0.09 R)
• M10: 11,277,136 km (0.115 R)
• M11: 14,359,900 km (0.067 R)
• M12: 15,210,513 km (0.101 R)
• M13: 20,281,432 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.9

Radius: 14

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.33 AU - 5.07 AU

Year: 6795 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,430,582 km

• M1: 174,132 km (0.117 R)
• M2: 673,041 km (0.082 R)
• M3: 1,115,551 km (0.106 R)
• M4: 1,983,967 km (0.052 R)
• M5: 2,586,547 km (0.092 R)
• M6: 3,788,267 km (0.11 R)
• M7: 4,940,470 km (0.092 R)
• M8: 6,186,022 km (0.115 R)
• M9: 6,780,224 km (0.079 R)
• M10: 8,277,101 km (0.029 R)
• M11: 8,958,668 km (0.118 R)
• M12: 11,966,184 km (0.072 R)
• M13: 14,424,675 km (0.073 R)
• M14: 18,650,666 km (0.115 R)
• M15: 21,118,881 km (0.116 R)
• M16: 21,787,284 km (0.065 R)
• M17: 27,741,579 km (0.098 R)
• M18: 30,100,737 km (0.1 R)
• M19: 30,758,070 km (0.086 R)
• M20: 32,689,080 km (0.056 R)
• M21: 33,383,662 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.1

Radius: 5.1

Gravity: 29.88 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5 AU - 7.46 AU

Year: 10370 Days

Day: 24.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 49,430,582 km

• M1: 63,729 km (0.085 R)
• M2: 472,580 km (0.091 R)
• M3: 1,186,311 km (0.089 R)
• M4: 1,350,121 km (0.088 R)
• M5: 1,558,062 km (0.07 R)
• M6: 2,003,714 km (0.108 R)
• M7: 2,237,835 km (0.078 R)
• M8: 2,410,470 km (0.088 R)
• M9: 2,892,475 km (0.106 R)
• M10: 3,264,076 km (0.105 R)
• M11: 4,045,874 km (0.077 R)
• M12: 6,267,552 km (0.066 R)
• M13: 6,690,466 km (0.118 R)
• M14: 6,969,316 km (0.093 R)
• M15: 7,984,637 km (0.074 R)
• M16: 8,253,015 km (0.065 R)
• M17: 9,289,429 km (0.084 R)
• M18: 9,536,415 km (0.118 R)
• M19: 11,903,951 km (0.108 R)
• M20: 14,503,813 km (0.085 R)
• M21: 15,379,409 km (0.092 R)
• M22: 15,655,716 km (0.115 R)
• M23: 18,839,458 km (0.051 R)
• M24: 19,235,593 km (0.066 R)
• M25: 22,165,318 km (0.115 R)
• M26: 22,606,781 km (0.095 R)
• M27: 25,187,793 km (0.095 R)
• M28: 25,475,470 km (0.098 R)
• M29: 28,061,269 km (0.118 R)
• M30: 29,950,541 km (0.077 R)
• M31: 31,477,337 km (0.112 R)
• M32: 33,055,295 km (0.117 R)
• M33: 34,803,645 km (0.032 R)
• M34: 38,737,471 km (0.098 R)
• M35: 40,943,292 km (0.083 R)
• M36: 43,094,359 km (0.114 R)
• M37: 46,030,517 km (0.06 R)
• M38: 48,651,023 km (0.042 R)
• M39: 49,097,273 km (0.119 R)
• M40: 49,696,413 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632.5

Radius: 4

Gravity: 39.53 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.6 AU - 7.28 AU

Year: 10898 Days

Day: 21.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 49,430,582 km

• M1: 52,958 km (0.071 R)
• M2: 597,344 km (0.119 R)
• M3: 802,892 km (0.095 R)
• M4: 1,054,515 km (0.106 R)
• M5: 1,279,211 km (0.091 R)
• M6: 1,506,600 km (0.115 R)
• M7: 1,760,617 km (0.113 R)
• M8: 1,990,549 km (0.056 R)
• M9: 2,315,476 km (0.066 R)
• M10: 3,682,202 km (0.1 R)
• M11: 5,966,711 km (0.09 R)
• M12: 6,409,371 km (0.056 R)
• M13: 7,113,977 km (0.108 R)
• M14: 9,486,599 km (0.101 R)
• M15: 9,634,851 km (0.092 R)
• M16: 9,935,842 km (0.098 R)
• M17: 11,368,840 km (0.111 R)
• M18: 13,548,481 km (0.043 R)
• M19: 14,376,056 km (0.09 R)
• M20: 15,783,024 km (0.026 R)
• M21: 18,175,543 km (0.116 R)
• M22: 20,550,708 km (0.12 R)
• M23: 20,965,693 km (0.113 R)
• M24: 23,035,679 km (0.085 R)
• M25: 24,211,967 km (0.078 R)
• M26: 26,098,845 km (0.034 R)
• M27: 27,077,963 km (0.104 R)
• M28: 27,677,102 km (0.114 R)
• M29: 28,489,718 km (0.117 R)
• M30: 29,213,622 km (0.071 R)
• M31: 31,788,500 km (0.065 R)
• M32: 36,894,874 km (0.043 R)
• M33: 38,127,112 km (0.109 R)
• M34: 45,959,757 km (0.069 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 15,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit