🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.7

Radius: 12.7

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.53 AU - 0.71 AU

Year: 337 Days

Day: 13.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,147,350 km

• M1: 158,275 km (0.119 R)
• M2: 556,205 km (0.07 R)
• M3: 1,149,360 km (0.119 R)
• M4: 2,027,051 km (0.071 R)
• M5: 2,493,198 km (0.027 R)
• M6: 3,153,673 km (0.119 R)
• M7: 3,554,296 km (0.085 R)
• M8: 4,075,345 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.2

Radius: 14.6

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.54 AU - 0.86 AU

Year: 404 Days

Day: 8.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,147,350 km

• M1: 181,612 km (0.101 R)
• M2: 724,054 km (0.108 R)
• M3: 1,421,778 km (0.12 R)
• M4: 1,903,035 km (0.119 R)
• M5: 2,421,541 km (0.092 R)
• M6: 2,992,257 km (0.085 R)
• M7: 4,110,201 km (0.051 R)
• M8: 4,780,699 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.4

Radius: 9.2

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.59 AU - 0.87 AU

Year: 431 Days

Day: 7.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,147,350 km

• M1: 114,442 km (0.067 R)
• M2: 428,299 km (0.11 R)
• M3: 730,187 km (0.067 R)
• M4: 1,196,783 km (0.077 R)
• M5: 1,605,634 km (0.105 R)
• M6: 1,897,200 km (0.089 R)
• M7: 2,224,520 km (0.108 R)
• M8: 2,607,640 km (0.084 R)
• M9: 3,074,535 km (0.053 R)
• M10: 3,802,628 km (0.081 R)
• M11: 4,102,123 km (0.076 R)
• M12: 4,391,595 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.7

Radius: 12.2

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.95 AU - 3.23 AU

Year: 2877 Days

Day: 8.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 14,147,350 km

• M1: 151,692 km (0.111 R)
• M2: 546,032 km (0.062 R)
• M3: 1,003,951 km (0.106 R)
• M4: 1,435,691 km (0.075 R)
• M5: 2,478,986 km (0.091 R)
• M6: 3,189,576 km (0.094 R)
• M7: 4,149,396 km (0.107 R)
• M8: 4,773,070 km (0.087 R)
• M9: 5,651,957 km (0.108 R)
• M10: 6,526,955 km (0.082 R)
• M11: 6,997,291 km (0.074 R)
• M12: 8,037,295 km (0.089 R)
• M13: 8,841,384 km (0.038 R)
• M14: 10,647,479 km (0.099 R)
• M15: 11,144,742 km (0.103 R)
• M16: 12,021,685 km (0.1 R)
• M17: 13,160,125 km (0.097 R)
• M18: 14,600,902 km (0.111 R)
• M19: 15,024,563 km (0.071 R)
• M20: 15,407,982 km (0.112 R)
• M21: 16,750,324 km (0.095 R)
• M22: 18,115,405 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.8

Radius: 13

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.25 AU - 3.11 AU

Year: 3028 Days

Day: 14.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 14,147,350 km

• M1: 165,006 km (0.118 R)
• M2: 576,849 km (0.099 R)
• M3: 997,369 km (0.03 R)
• M4: 2,352,726 km (0.1 R)
• M5: 3,483,087 km (0.103 R)
• M6: 4,547,925 km (0.061 R)
• M7: 5,493,084 km (0.1 R)
• M8: 5,973,742 km (0.086 R)
• M9: 7,434,715 km (0.088 R)
• M10: 8,024,131 km (0.113 R)
• M11: 8,445,249 km (0.102 R)
• M12: 9,908,017 km (0.075 R)
• M13: 11,779,636 km (0.089 R)
• M14: 12,755,612 km (0.114 R)
• M15: 14,485,263 km (0.026 R)
• M16: 15,456,003 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.1

Radius: 13.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.97 AU - 3.31 AU

Year: 3841 Days

Day: 7.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,147,350 km

• M1: 169,195 km (0.048 R)
• M2: 639,381 km (0.103 R)
• M3: 1,221,467 km (0.051 R)
• M4: 2,648,780 km (0.119 R)
• M5: 3,169,530 km (0.026 R)
• M6: 4,232,124 km (0.112 R)
• M7: 4,723,403 km (0.042 R)
• M8: 5,252,830 km (0.074 R)
• M9: 6,514,389 km (0.097 R)
• M10: 8,258,251 km (0.102 R)
• M11: 9,203,710 km (0.086 R)
• M12: 11,676,263 km (0.12 R)
• M13: 13,177,328 km (0.108 R)
• M14: 16,044,521 km (0.082 R)
• M15: 18,846,340 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.5

Radius: 12.7

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.61 AU - 3.95 AU

Year: 4100 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 14,147,350 km

• M1: 159,322 km (0.038 R)
• M2: 560,992 km (0.064 R)
• M3: 1,127,669 km (0.106 R)
• M4: 1,534,575 km (0.115 R)
• M5: 2,775,340 km (0.107 R)
• M6: 3,401,856 km (0.117 R)
• M7: 3,821,926 km (0.042 R)
• M8: 4,344,621 km (0.071 R)
• M9: 5,039,803 km (0.107 R)
• M10: 6,381,995 km (0.099 R)
• M11: 6,806,254 km (0.064 R)
• M12: 7,881,564 km (0.093 R)
• M13: 8,406,353 km (0.081 R)
• M14: 9,333,112 km (0.064 R)
• M15: 10,122,540 km (0.119 R)
• M16: 12,291,260 km (0.075 R)
• M17: 15,935,315 km (0.114 R)
• M18: 21,974,730 km (0.115 R)
• M19: 22,946,219 km (0.028 R)
• M20: 23,946,281 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563

Radius: 8.7

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.46 AU - 3.62 AU

Year: 4597 Days

Day: 7.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 14,147,350 km

• M1: 108,159 km (0.061 R)
• M2: 380,427 km (0.104 R)
• M3: 1,127,669 km (0.12 R)
• M4: 1,628,223 km (0.054 R)
• M5: 2,503,221 km (0.078 R)
• M6: 3,319,427 km (0.087 R)
• M7: 3,984,689 km (0.08 R)
• M8: 4,443,954 km (0.086 R)
• M9: 5,093,359 km (0.101 R)
• M10: 5,441,024 km (0.116 R)
• M11: 7,123,851 km (0.099 R)
• M12: 7,662,403 km (0.113 R)
• M13: 8,632,545 km (0.096 R)
• M14: 8,973,479 km (0.089 R)
• M15: 9,682,273 km (0.11 R)
• M16: 11,940,304 km (0.073 R)
• M17: 12,651,941 km (0.113 R)
• M18: 14,055,618 km (0.09 R)
• M19: 18,075,761 km (0.058 R)
• M20: 19,917,760 km (0.086 R)
• M21: 20,648,097 km (0.06 R)
• M22: 22,162,177 km (0.075 R)
• M23: 24,949,484 km (0.108 R)
• M24: 26,585,935 km (0.067 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.1

Radius: 13.2

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.31 AU - 5.51 AU

Year: 6392 Days

Day: 11.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,147,350 km

• M1: 183,856 km (0.112 R)
• M2: 622,327 km (0.112 R)
• M3: 1,178,083 km (0.105 R)
• M4: 2,107,684 km (0.101 R)
• M5: 2,726,571 km (0.104 R)
• M6: 4,294,955 km (0.026 R)
• M7: 4,858,340 km (0.095 R)
• M8: 6,799,971 km (0.062 R)
• M9: 10,088,432 km (0.113 R)
• M10: 14,105,434 km (0.117 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 10,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit