🌌 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: 576.6

Radius: 9.9

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.53 AU - 0.61 AU

Year: 297 Days

Day: 13.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,216,825 km

• M1: 123,119 km (0.073 R)
• M2: 492,327 km (0.114 R)
• M3: 1,020,557 km (0.114 R)
• M4: 1,357,900 km (0.075 R)
• M5: 2,041,113 km (0.102 R)
• M6: 2,482,876 km (0.114 R)
• M7: 2,871,830 km (0.092 R)
• M8: 3,548,611 km (0.084 R)
• M9: 3,913,331 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.3

Radius: 13.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.5 AU - 0.8 AU

Year: 362 Days

Day: 14.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,216,825 km

• M1: 172,935 km (0.085 R)
• M2: 608,115 km (0.116 R)
• M3: 1,082,939 km (0.09 R)
• M4: 1,552,527 km (0.043 R)
• M5: 2,021,217 km (0.046 R)
• M6: 2,640,402 km (0.103 R)
• M7: 3,149,484 km (0.08 R)
• M8: 3,665,896 km (0.11 R)
• M9: 4,329,213 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68

Radius: 12.6

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.03 AU - 1.09 AU

Year: 753 Days

Day: 5.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,216,825 km

• M1: 157,676 km (0.101 R)
• M2: 716,275 km (0.12 R)
• M3: 1,432,998 km (0.098 R)
• M4: 2,052,632 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.6

Radius: 11.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.94 AU - 1.26 AU

Year: 796 Days

Day: 13.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,216,825 km

• M1: 148,401 km (0.063 R)
• M2: 537,206 km (0.114 R)
• M3: 1,185,114 km (0.105 R)
• M4: 2,040,515 km (0.051 R)
• M5: 2,884,845 km (0.086 R)
• M6: 4,563,633 km (0.048 R)
• M7: 5,057,455 km (0.057 R)
• M8: 5,966,262 km (0.11 R)
• M9: 6,343,548 km (0.114 R)
• M10: 6,960,191 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.8

Radius: 14

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.61 AU - 2.67 AU

Year: 2161 Days

Day: 6.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,216,825 km

• M1: 174,282 km (0.104 R)
• M2: 691,292 km (0.118 R)
• M3: 1,796,072 km (0.089 R)
• M4: 2,294,831 km (0.039 R)
• M5: 4,191,732 km (0.117 R)
• M6: 5,240,713 km (0.097 R)
• M7: 7,219,892 km (0.109 R)
• M8: 8,952,086 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.9

Radius: 14.5

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.66 AU - 3.88 AU

Year: 4082 Days

Day: 12.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 151.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,216,825 km

• M1: 180,415 km (0.118 R)
• M2: 674,986 km (0.102 R)
• M3: 1,176,587 km (0.078 R)
• M4: 1,799,214 km (0.045 R)
• M5: 2,328,341 km (0.056 R)
• M6: 2,929,725 km (0.103 R)
• M7: 3,615,631 km (0.107 R)
• M8: 4,178,568 km (0.115 R)
• M9: 4,935,832 km (0.101 R)
• M10: 6,669,223 km (0.11 R)
• M11: 7,490,515 km (0.043 R)
• M12: 9,264,297 km (0.087 R)
• M13: 9,766,946 km (0.067 R)
• M14: 13,265,591 km (0.1 R)
• M15: 14,613,468 km (0.09 R)
• M16: 16,050,804 km (0.102 R)
• M17: 17,689,499 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.8

Radius: 8.9

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.36 AU - 4.34 AU

Year: 5214 Days

Day: 8.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,216,825 km

• M1: 114,143 km (0.086 R)
• M2: 447,447 km (0.061 R)
• M3: 780,751 km (0.119 R)
• M4: 1,345,932 km (0.089 R)
• M5: 3,064,064 km (0.079 R)
• M6: 4,125,460 km (0.057 R)
• M7: 4,562,137 km (0.048 R)
• M8: 4,975,924 km (0.077 R)
• M9: 6,755,391 km (0.115 R)
• M10: 7,538,386 km (0.071 R)
• M11: 8,080,828 km (0.083 R)
• M12: 10,121,343 km (0.079 R)
• M13: 10,514,187 km (0.11 R)
• M14: 11,284,018 km (0.117 R)
• M15: 13,607,722 km (0.091 R)
• M16: 17,137,633 km (0.106 R)
• M17: 18,524,405 km (0.111 R)
• M18: 20,120,914 km (0.075 R)
• M19: 26,104,080 km (0.105 R)
• M20: 26,760,815 km (0.063 R)
• M21: 28,021,626 km (0.113 R)
• M22: 29,321,631 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.9

Radius: 9

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.84 AU - 4.02 AU

Year: 5378 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,216,825 km

• M1: 111,899 km (0.061 R)
• M2: 433,834 km (0.099 R)
• M3: 816,356 km (0.062 R)
• M4: 1,118,244 km (0.111 R)
• M5: 1,528,292 km (0.037 R)
• M6: 2,346,293 km (0.097 R)
• M7: 3,354,283 km (0.059 R)
• M8: 5,584,937 km (0.071 R)
• M9: 7,520,584 km (0.106 R)
• M10: 8,549,818 km (0.073 R)
• M11: 9,061,143 km (0.11 R)
• M12: 9,826,635 km (0.072 R)
• M13: 12,154,378 km (0.103 R)
• M14: 16,494,512 km (0.104 R)
• M15: 20,325,713 km (0.079 R)
• M16: 21,039,145 km (0.113 R)
• M17: 22,447,310 km (0.041 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299

Radius: 14.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.73 AU - 4.91 AU

Year: 6198 Days

Day: 15 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,216,825 km

• M1: 180,265 km (0.093 R)
• M2: 1,586,934 km (0.112 R)
• M3: 2,923,142 km (0.113 R)
• M4: 3,807,864 km (0.104 R)
• M5: 4,523,989 km (0.118 R)
• M6: 6,316,321 km (0.096 R)
• M7: 10,392,414 km (0.048 R)
• M8: 13,671,301 km (0.091 R)
• M9: 15,573,288 km (0.081 R)
• M10: 18,937,146 km (0.104 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.8

Radius: 9.7

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.13 AU - 6.89 AU

Year: 8928 Days

Day: 7.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,216,825 km

• M1: 123,717 km (0.103 R)
• M2: 668,403 km (0.082 R)
• M3: 1,305,840 km (0.101 R)
• M4: 1,802,355 km (0.065 R)
• M5: 2,995,697 km (0.115 R)
• M6: 4,832,759 km (0.074 R)
• M7: 7,362,459 km (0.11 R)
• M8: 8,521,992 km (0.119 R)
• M9: 9,651,157 km (0.085 R)
• M10: 14,846,841 km (0.104 R)
• M11: 16,476,560 km (0.043 R)
• M12: 19,452,810 km (0.03 R)
• M13: 22,595,412 km (0.086 R)
• M14: 23,924,140 km (0.059 R)
• M15: 24,745,881 km (0.049 R)
• M16: 44,425,332 km (0.059 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 17,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit