🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.4

Radius: 11.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.47 AU - 0.73 AU

Year: 327 Days

Day: 11.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 87.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,043,625 km

• M1: 139,276 km (0.1 R)
• M2: 501,901 km (0.087 R)
• M3: 850,314 km (0.093 R)
• M4: 1,199,925 km (0.052 R)
• M5: 1,747,453 km (0.092 R)
• M6: 2,525,960 km (0.112 R)
• M7: 2,970,715 km (0.056 R)
• M8: 3,424,146 km (0.084 R)
• M9: 3,852,444 km (0.118 R)
• M10: 4,278,649 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.4

Radius: 9.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.62 AU - 0.94 AU

Year: 484 Days

Day: 6.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,043,625 km

• M1: 121,025 km (0.098 R)
• M2: 716,424 km (0.065 R)
• M3: 1,020,706 km (0.09 R)
• M4: 2,024,807 km (0.088 R)
• M5: 2,490,805 km (0.048 R)
• M6: 2,872,728 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.7

Radius: 10.3

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.92 AU - 1.28 AU

Year: 811 Days

Day: 12 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,043,625 km

• M1: 128,056 km (0.103 R)
• M2: 575,952 km (0.077 R)
• M3: 1,197,681 km (0.09 R)
• M4: 1,757,177 km (0.106 R)
• M5: 2,080,308 km (0.116 R)
• M6: 3,584,365 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.3

Radius: 14.2

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.89 AU - 1.41 AU

Year: 867 Days

Day: 12.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,043,625 km

• M1: 176,675 km (0.118 R)
• M2: 628,610 km (0.105 R)
• M3: 1,413,999 km (0.086 R)
• M4: 2,395,361 km (0.082 R)
• M5: 3,123,005 km (0.076 R)
• M6: 3,762,536 km (0.049 R)
• M7: 4,236,612 km (0.096 R)
• M8: 4,967,846 km (0.069 R)
• M9: 5,660,484 km (0.061 R)
• M10: 6,286,402 km (0.079 R)
• M11: 6,981,134 km (0.102 R)
• M12: 7,701,897 km (0.047 R)
• M13: 8,471,877 km (0.096 R)
• M14: 9,124,273 km (0.094 R)
• M15: 10,016,625 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.1

Radius: 9.8

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.15 AU - 2.59 AU

Year: 2565 Days

Day: 6.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,043,625 km

• M1: 121,922 km (0.119 R)
• M2: 486,343 km (0.094 R)
• M3: 1,135,597 km (0.1 R)
• M4: 1,656,048 km (0.112 R)
• M5: 2,063,852 km (0.086 R)
• M6: 2,633,072 km (0.07 R)
• M7: 3,208,276 km (0.107 R)
• M8: 4,010,569 km (0.036 R)
• M9: 4,508,880 km (0.068 R)
• M10: 4,962,311 km (0.114 R)
• M11: 5,491,439 km (0.084 R)
• M12: 6,156,102 km (0.071 R)
• M13: 6,793,838 km (0.077 R)
• M14: 7,475,106 km (0.113 R)
• M15: 8,596,941 km (0.113 R)
• M16: 9,361,236 km (0.111 R)
• M17: 11,849,647 km (0.106 R)
• M18: 12,836,395 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.4

Radius: 13.5

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.1 AU - 3.38 AU

Year: 4099 Days

Day: 6.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,043,625 km

• M1: 167,998 km (0.102 R)
• M2: 730,935 km (0.119 R)
• M3: 1,927,569 km (0.109 R)
• M4: 2,444,429 km (0.089 R)
• M5: 3,339,623 km (0.071 R)
• M6: 4,649,053 km (0.064 R)
• M7: 5,305,638 km (0.079 R)
• M8: 6,537,128 km (0.091 R)
• M9: 8,500,600 km (0.115 R)
• M10: 13,272,921 km (0.094 R)
• M11: 17,853,159 km (0.064 R)
• M12: 18,558,214 km (0.114 R)
• M13: 21,043,035 km (0.055 R)
• M14: 21,896,341 km (0.062 R)
• M15: 23,046,749 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.4

Radius: 4.3

Gravity: 13.43 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.5 AU - 11.44 AU

Year: 22128 Days

Day: 17.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,043,625 km

• M1: 54,753 km (0.094 R)
• M2: 253,120 km (0.12 R)
• M3: 613,800 km (0.095 R)
• M4: 768,335 km (0.117 R)
• M5: 992,582 km (0.055 R)
• M6: 1,883,288 km (0.104 R)
• M7: 2,967,124 km (0.03 R)
• M8: 3,136,020 km (0.092 R)
• M9: 3,362,811 km (0.098 R)
• M10: 3,737,104 km (0.118 R)
• M11: 4,505,140 km (0.059 R)
• M12: 4,959,768 km (0.077 R)
• M13: 5,846,584 km (0.068 R)
• M14: 5,997,678 km (0.084 R)
• M15: 9,649,063 km (0.106 R)
• M16: 9,860,295 km (0.103 R)
• M17: 11,251,405 km (0.112 R)
• M18: 12,768,178 km (0.11 R)
• M19: 17,107,265 km (0.078 R)
• M20: 19,520,877 km (0.1 R)
• M21: 20,115,079 km (0.091 R)
• M22: 20,984,692 km (0.059 R)
• M23: 25,610,407 km (0.063 R)
• M24: 29,411,689 km (0.037 R)
• M25: 30,644,077 km (0.076 R)
• M26: 31,215,540 km (0.118 R)
• M27: 35,290,886 km (0.12 R)
• M28: 36,938,407 km (0.034 R)
• M29: 37,846,466 km (0.101 R)
• M30: 38,636,492 km (0.038 R)
• M31: 40,249,606 km (0.103 R)
• M32: 40,659,804 km (0.103 R)
• M33: 53,143,447 km (0.069 R)
• M34: 56,663,036 km (0.079 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: 228 - 15,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit