🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.7

Radius: 13.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.63 AU - 0.67 AU

Year: 355 Days

Day: 5.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,450,579 km

• M1: 170,392 km (0.049 R)
• M2: 705,354 km (0.116 R)
• M3: 1,215,184 km (0.077 R)
• M4: 1,691,204 km (0.047 R)
• M5: 2,223,473 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.2

Radius: 9.5

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.71 AU - 0.79 AU

Year: 441 Days

Day: 6.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,450,579 km

• M1: 118,182 km (0.027 R)
• M2: 495,917 km (0.11 R)
• M3: 829,969 km (0.112 R)
• M4: 1,127,370 km (0.037 R)
• M5: 1,891,366 km (0.096 R)
• M6: 2,540,471 km (0.091 R)
• M7: 3,355,779 km (0.117 R)
• M8: 3,939,510 km (0.096 R)
• M9: 4,666,107 km (0.116 R)
• M10: 5,565,639 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.8

Radius: 8.2

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.74 AU - 1.18 AU

Year: 638 Days

Day: 8.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,450,579 km

• M1: 102,026 km (0.053 R)
• M2: 700,716 km (0.056 R)
• M3: 1,104,930 km (0.114 R)
• M4: 1,451,698 km (0.077 R)
• M5: 2,974,006 km (0.094 R)
• M6: 4,219,109 km (0.119 R)
• M7: 5,526,295 km (0.098 R)
• M8: 6,350,878 km (0.095 R)
• M9: 6,916,807 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.4

Radius: 8.9

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.12 AU - 1.58 AU

Year: 1064 Days

Day: 13.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,450,579 km

• M1: 110,852 km (0.029 R)
• M2: 629,657 km (0.112 R)
• M3: 1,121,236 km (0.096 R)
• M4: 1,501,963 km (0.079 R)
• M5: 1,941,032 km (0.082 R)
• M6: 3,139,760 km (0.077 R)
• M7: 4,657,879 km (0.088 R)
• M8: 5,270,183 km (0.093 R)
• M9: 5,877,700 km (0.103 R)
• M10: 6,449,314 km (0.096 R)
• M11: 6,738,337 km (0.114 R)
• M12: 7,409,283 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.8

Radius: 9.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.76 AU - 2.92 AU

Year: 3246 Days

Day: 9.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,450,579 km

• M1: 121,922 km (0.083 R)
• M2: 499,058 km (0.113 R)
• M3: 1,102,237 km (0.069 R)
• M4: 1,446,013 km (0.057 R)
• M5: 1,897,799 km (0.09 R)
• M6: 3,075,134 km (0.051 R)
• M7: 3,417,115 km (0.042 R)
• M8: 4,768,432 km (0.106 R)
• M9: 5,083,934 km (0.059 R)
• M10: 6,300,314 km (0.097 R)
• M11: 7,326,855 km (0.055 R)
• M12: 8,235,512 km (0.065 R)
• M13: 8,665,457 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.8

Radius: 14.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.43 AU - 4.43 AU

Year: 5284 Days

Day: 6 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,450,579 km

• M1: 181,612 km (0.065 R)
• M2: 662,719 km (0.034 R)
• M3: 1,565,243 km (0.097 R)
• M4: 2,774,592 km (0.036 R)
• M5: 4,538,949 km (0.115 R)
• M6: 5,002,553 km (0.044 R)
• M7: 6,561,363 km (0.106 R)
• M8: 7,045,761 km (0.103 R)
• M9: 11,289,254 km (0.114 R)
• M10: 12,879,479 km (0.084 R)
• M11: 13,342,036 km (0.026 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.2

Radius: 14.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.23 AU - 5.25 AU

Year: 6999 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 133 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,450,579 km

• M1: 176,226 km (0.08 R)
• M2: 804,986 km (0.071 R)
• M3: 2,069,238 km (0.054 R)
• M4: 2,549,148 km (0.036 R)
• M5: 3,911,536 km (0.096 R)
• M6: 5,846,135 km (0.094 R)
• M7: 6,320,211 km (0.089 R)
• M8: 7,346,602 km (0.111 R)
• M9: 8,523,787 km (0.1 R)
• M10: 9,452,192 km (0.067 R)
• M11: 10,349,330 km (0.076 R)
• M12: 13,500,161 km (0.111 R)
• M13: 13,971,843 km (0.06 R)
• M14: 16,232,117 km (0.112 R)
• M15: 17,380,281 km (0.085 R)
• M16: 19,166,030 km (0.091 R)
• M17: 19,762,627 km (0.094 R)
• M18: 20,836,291 km (0.11 R)
• M19: 24,205,085 km (0.111 R)
• M20: 27,261,669 km (0.093 R)
• M21: 28,979,800 km (0.083 R)
• M22: 29,568,318 km (0.06 R)
• M23: 31,794,634 km (0.052 R)
• M24: 35,675,502 km (0.118 R)
• M25: 37,962,704 km (0.048 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 16,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit