🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.3

Radius: 10.4

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.27 AU - 1.73 AU

Year: 1246 Days

Day: 10.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,929,768 km

• M1: 129,402 km (0.101 R)
• M2: 608,714 km (0.047 R)
• M3: 1,321,697 km (0.114 R)
• M4: 1,678,787 km (0.094 R)
• M5: 2,819,022 km (0.029 R)
• M6: 3,980,351 km (0.116 R)
• M7: 5,264,349 km (0.06 R)
• M8: 5,808,586 km (0.117 R)
• M9: 6,432,858 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.6

Radius: 12.7

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.23 AU - 1.97 AU

Year: 1373 Days

Day: 14 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,929,768 km

• M1: 158,275 km (0.071 R)
• M2: 619,784 km (0.082 R)
• M3: 1,377,647 km (0.092 R)
• M4: 1,874,162 km (0.108 R)
• M5: 2,489,907 km (0.078 R)
• M6: 3,366,401 km (0.108 R)
• M7: 4,726,246 km (0.1 R)
• M8: 5,706,411 km (0.118 R)
• M9: 9,173,940 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.2

Radius: 9.9

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.35 AU - 1.97 AU

Year: 1451 Days

Day: 9.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,929,768 km

• M1: 123,119 km (0.115 R)
• M2: 495,019 km (0.086 R)
• M3: 950,246 km (0.102 R)
• M4: 1,268,291 km (0.066 R)
• M5: 1,659,040 km (0.05 R)
• M6: 1,993,990 km (0.071 R)
• M7: 2,479,734 km (0.049 R)
• M8: 2,921,347 km (0.064 R)
• M9: 3,881,616 km (0.079 R)
• M10: 4,198,913 km (0.117 R)
• M11: 4,829,019 km (0.091 R)
• M12: 5,216,627 km (0.115 R)
• M13: 5,880,244 km (0.092 R)
• M14: 6,693,009 km (0.114 R)
• M15: 7,527,615 km (0.115 R)
• M16: 7,838,330 km (0.079 R)
• M17: 8,457,665 km (0.086 R)
• M18: 9,552,273 km (0.119 R)
• M19: 10,577,317 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.8

Radius: 9.6

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.95 AU - 2.47 AU

Year: 2228 Days

Day: 14 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,929,768 km

• M1: 119,379 km (0.071 R)
• M2: 464,950 km (0.099 R)
• M3: 810,072 km (0.111 R)
• M4: 1,173,894 km (0.106 R)
• M5: 1,543,252 km (0.055 R)
• M6: 2,002,218 km (0.085 R)
• M7: 3,772,858 km (0.05 R)
• M8: 4,086,415 km (0.106 R)
• M9: 4,524,588 km (0.094 R)
• M10: 4,833,806 km (0.105 R)
• M11: 6,882,100 km (0.046 R)
• M12: 7,412,724 km (0.049 R)
• M13: 7,781,483 km (0.101 R)
• M14: 9,812,274 km (0.111 R)
• M15: 11,550,751 km (0.06 R)
• M16: 11,921,754 km (0.096 R)
• M17: 12,428,741 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.2

Radius: 10.9

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.1 AU - 3.18 AU

Year: 2909 Days

Day: 10 Hours

Environment

Temp: -218 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,929,768 km

• M1: 135,536 km (0.097 R)
• M2: 832,961 km (0.089 R)
• M3: 1,824,346 km (0.118 R)
• M4: 2,307,248 km (0.057 R)
• M5: 2,760,530 km (0.103 R)
• M6: 3,847,657 km (0.082 R)
• M7: 4,930,895 km (0.1 R)
• M8: 5,376,248 km (0.106 R)
• M9: 5,821,601 km (0.113 R)
• M10: 7,755,902 km (0.05 R)
• M11: 8,121,220 km (0.063 R)
• M12: 8,498,206 km (0.118 R)
• M13: 9,103,778 km (0.1 R)
• M14: 10,401,390 km (0.076 R)
• M15: 11,731,465 km (0.104 R)
• M16: 13,312,864 km (0.107 R)
• M17: 14,476,287 km (0.069 R)
• M18: 14,929,718 km (0.086 R)
• M19: 15,548,903 km (0.08 R)
• M20: 16,077,882 km (0.109 R)
• M21: 16,893,938 km (0.094 R)
• M22: 18,490,746 km (0.12 R)
• M23: 21,719,367 km (0.081 R)
• M24: 22,447,609 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448

Radius: 10.3

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.47 AU - 4.59 AU

Year: 5487 Days

Day: 13.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,929,768 km

• M1: 128,056 km (0.111 R)
• M2: 474,674 km (0.095 R)
• M3: 1,125,724 km (0.101 R)
• M4: 2,013,438 km (0.096 R)
• M5: 2,919,103 km (0.081 R)
• M6: 4,031,214 km (0.105 R)
• M7: 4,950,942 km (0.116 R)
• M8: 5,350,368 km (0.082 R)
• M9: 6,123,938 km (0.108 R)
• M10: 6,743,722 km (0.093 R)
• M11: 8,933,536 km (0.074 R)
• M12: 9,937,787 km (0.099 R)
• M13: 10,618,906 km (0.096 R)
• M14: 11,791,903 km (0.103 R)
• M15: 12,702,206 km (0.117 R)
• M16: 13,918,287 km (0.077 R)
• M17: 17,969,397 km (0.1 R)
• M18: 18,596,811 km (0.055 R)
• M19: 19,565,307 km (0.119 R)
• M20: 21,602,681 km (0.044 R)
• M21: 23,257,532 km (0.053 R)
• M22: 24,840,876 km (0.12 R)
• M23: 27,472,303 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.2

Radius: 10.6

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.99 AU - 4.09 AU

Year: 5508 Days

Day: 5.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,929,768 km

• M1: 131,796 km (0.119 R)
• M2: 636,988 km (0.089 R)
• M3: 1,295,966 km (0.042 R)
• M4: 1,688,511 km (0.094 R)
• M5: 2,962,038 km (0.07 R)
• M6: 3,511,511 km (0.088 R)
• M7: 4,105,414 km (0.1 R)
• M8: 4,765,141 km (0.111 R)
• M9: 5,358,745 km (0.105 R)
• M10: 5,771,935 km (0.102 R)
• M11: 6,295,826 km (0.102 R)
• M12: 6,662,491 km (0.066 R)
• M13: 7,206,429 km (0.098 R)
• M14: 8,603,673 km (0.12 R)
• M15: 9,288,233 km (0.051 R)
• M16: 10,173,852 km (0.082 R)
• M17: 10,895,811 km (0.071 R)
• M18: 11,742,984 km (0.101 R)
• M19: 12,253,113 km (0.105 R)
• M20: 14,338,208 km (0.116 R)
• M21: 15,245,818 km (0.106 R)
• M22: 16,305,121 km (0.057 R)
• M23: 16,765,433 km (0.097 R)
• M24: 17,772,676 km (0.092 R)
• M25: 22,774,032 km (0.11 R)
• M26: 24,380,414 km (0.109 R)
• M27: 25,518,106 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.6

Radius: 7.5

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.63 AU - 6.83 AU

Year: 9303 Days

Day: 22.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,929,768 km

• M1: 93,349 km (0.089 R)
• M2: 489,933 km (0.106 R)
• M3: 734,825 km (0.113 R)
• M4: 1,074,861 km (0.11 R)
• M5: 1,866,383 km (0.119 R)
• M6: 2,162,138 km (0.102 R)
• M7: 2,998,241 km (0.087 R)
• M8: 3,312,396 km (0.112 R)
• M9: 3,723,341 km (0.103 R)
• M10: 3,980,799 km (0.032 R)
• M11: 5,131,805 km (0.07 R)
• M12: 5,649,264 km (0.059 R)
• M13: 6,902,296 km (0.084 R)
• M14: 7,573,542 km (0.074 R)
• M15: 8,953,881 km (0.112 R)
• M16: 11,115,271 km (0.101 R)
• M17: 12,544,081 km (0.063 R)
• M18: 14,029,588 km (0.112 R)
• M19: 15,562,517 km (0.094 R)
• M20: 16,233,164 km (0.064 R)
• M21: 18,582,898 km (0.114 R)
• M22: 26,032,573 km (0.034 R)
• M23: 27,072,427 km (0.077 R)
• M24: 28,733,712 km (0.051 R)
• M25: 30,358,345 km (0.089 R)
• M26: 31,722,827 km (0.092 R)
• M27: 35,598,459 km (0.091 R)
• M28: 36,526,714 km (0.059 R)
• M29: 37,470,826 km (0.038 R)
• M30: 37,829,113 km (0.103 R)
• M31: 40,026,855 km (0.101 R)
• M32: 40,276,085 km (0.114 R)
• M33: 41,156,917 km (0.039 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.2

Radius: 5.7

Gravity: 12.19 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.77 AU - 9.77 AU

Year: 16131 Days

Day: 20 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,929,768 km

• M1: 70,909 km (0.072 R)
• M2: 259,702 km (0.081 R)
• M3: 459,116 km (0.036 R)
• M4: 1,091,765 km (0.105 R)
• M5: 1,408,913 km (0.044 R)
• M6: 1,673,701 km (0.065 R)
• M7: 2,096,614 km (0.085 R)
• M8: 2,673,314 km (0.095 R)
• M9: 3,275,296 km (0.045 R)
• M10: 3,477,552 km (0.104 R)
• M11: 4,341,929 km (0.054 R)
• M12: 7,390,883 km (0.077 R)
• M13: 8,284,431 km (0.091 R)
• M14: 8,565,974 km (0.118 R)
• M15: 11,626,597 km (0.093 R)
• M16: 14,117,401 km (0.085 R)
• M17: 14,928,820 km (0.118 R)
• M18: 16,942,557 km (0.1 R)
• M19: 17,858,545 km (0.079 R)
• M20: 19,375,467 km (0.092 R)
• M21: 20,039,233 km (0.075 R)
• M22: 20,632,239 km (0.04 R)
• M23: 21,764,695 km (0.12 R)
• M24: 25,018,299 km (0.079 R)
• M25: 25,904,517 km (0.064 R)
• M26: 27,635,215 km (0.114 R)
• M27: 28,053,490 km (0.03 R)
• M28: 33,052,752 km (0.079 R)
• M29: 36,445,332 km (0.082 R)
• M30: 37,455,716 km (0.088 R)
• M31: 38,614,502 km (0.117 R)
• M32: 42,928,306 km (0.077 R)
• M33: 47,254,227 km (0.084 R)
• M34: 48,758,284 km (0.064 R)
• M35: 49,522,281 km (0.068 R)
• M36: 54,765,387 km (0.113 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: 161 - 15,952 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit