🌌 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: 713.2

Radius: 9.4

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.45 AU - 0.75 AU

Year: 321 Days

Day: 11.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,566,406 km

• M1: 116,836 km (0.085 R)
• M2: 476,768 km (0.117 R)
• M3: 770,878 km (0.062 R)
• M4: 1,065,735 km (0.118 R)
• M5: 1,537,717 km (0.109 R)
• M6: 1,852,470 km (0.081 R)
• M7: 2,153,013 km (0.119 R)
• M8: 3,005,720 km (0.044 R)
• M9: 3,435,814 km (0.072 R)
• M10: 3,845,264 km (0.082 R)
• M11: 4,637,235 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.5

Radius: 14.1

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.77 AU - 0.87 AU

Year: 513 Days

Day: 11.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 85.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,566,406 km

• M1: 176,974 km (0.104 R)
• M2: 645,216 km (0.052 R)
• M3: 1,319,004 km (0.083 R)
• M4: 1,767,648 km (0.084 R)
• M5: 2,216,891 km (0.037 R)
• M6: 2,807,952 km (0.064 R)
• M7: 3,301,027 km (0.037 R)
• M8: 3,794,251 km (0.073 R)
• M9: 4,236,612 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.5

Radius: 12.8

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.86 AU - 1.18 AU

Year: 711 Days

Day: 6.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,566,406 km

• M1: 159,471 km (0.096 R)
• M2: 880,982 km (0.095 R)
• M3: 1,298,510 km (0.089 R)
• M4: 1,825,842 km (0.069 R)
• M5: 2,505,914 km (0.094 R)
• M6: 3,486,678 km (0.089 R)
• M7: 4,104,517 km (0.109 R)
• M8: 5,953,098 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.7

Radius: 12.5

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.91 AU - 1.35 AU

Year: 829 Days

Day: 12 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,566,406 km

• M1: 155,881 km (0.094 R)
• M2: 637,885 km (0.075 R)
• M3: 1,076,506 km (0.068 R)
• M4: 1,947,315 km (0.115 R)
• M5: 4,109,753 km (0.105 R)
• M6: 4,833,657 km (0.063 R)
• M7: 6,514,389 km (0.101 R)
• M8: 8,635,088 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.6

Radius: 12.8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.05 AU - 1.41 AU

Year: 942 Days

Day: 9.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,566,406 km

• M1: 161,267 km (0.066 R)
• M2: 621,280 km (0.076 R)
• M3: 1,069,176 km (0.04 R)
• M4: 1,476,082 km (0.077 R)
• M5: 2,028,098 km (0.114 R)
• M6: 2,516,236 km (0.107 R)
• M7: 2,952,613 km (0.064 R)
• M8: 4,012,215 km (0.109 R)
• M9: 4,474,024 km (0.08 R)
• M10: 5,368,619 km (0.094 R)
• M11: 6,014,882 km (0.109 R)
• M12: 6,757,934 km (0.054 R)
• M13: 7,414,968 km (0.113 R)
• M14: 9,189,049 km (0.095 R)
• M15: 9,731,940 km (0.026 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.3

Radius: 10.6

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.37 AU - 2.79 AU

Year: 2860 Days

Day: 7.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,566,406 km

• M1: 132,843 km (0.037 R)
• M2: 692,489 km (0.118 R)
• M3: 1,245,552 km (0.11 R)
• M4: 2,110,826 km (0.119 R)
• M5: 3,261,982 km (0.051 R)
• M6: 4,374,541 km (0.109 R)
• M7: 4,790,273 km (0.115 R)
• M8: 5,701,624 km (0.109 R)
• M9: 6,060,359 km (0.082 R)
• M10: 6,458,140 km (0.117 R)
• M11: 7,074,633 km (0.118 R)
• M12: 8,339,782 km (0.059 R)
• M13: 9,718,476 km (0.038 R)
• M14: 10,595,419 km (0.079 R)
• M15: 11,383,351 km (0.062 R)
• M16: 12,136,277 km (0.055 R)
• M17: 12,543,931 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.2

Radius: 6

Gravity: 13.84 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.17 AU - 9.53 AU

Year: 16655 Days

Day: 24.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,566,406 km

• M1: 74,649 km (0.08 R)
• M2: 282,890 km (0.09 R)
• M3: 580,589 km (0.105 R)
• M4: 1,042,697 km (0.073 R)
• M5: 1,402,480 km (0.075 R)
• M6: 2,113,070 km (0.102 R)
• M7: 2,308,295 km (0.102 R)
• M8: 2,580,264 km (0.119 R)
• M9: 2,992,107 km (0.103 R)
• M10: 3,975,264 km (0.109 R)
• M11: 5,369,367 km (0.09 R)
• M12: 5,962,672 km (0.051 R)
• M13: 7,590,746 km (0.095 R)
• M14: 8,193,625 km (0.091 R)
• M15: 8,385,409 km (0.089 R)
• M16: 9,389,810 km (0.098 R)
• M17: 9,706,059 km (0.048 R)
• M18: 11,574,686 km (0.114 R)
• M19: 20,381,812 km (0.102 R)
• M20: 22,000,910 km (0.082 R)
• M21: 22,559,060 km (0.116 R)
• M22: 22,747,254 km (0.077 R)
• M23: 23,606,993 km (0.097 R)
• M24: 24,093,784 km (0.084 R)
• M25: 25,289,520 km (0.11 R)
• M26: 25,696,875 km (0.076 R)
• M27: 29,002,539 km (0.091 R)
• M28: 36,056,528 km (0.102 R)
• M29: 37,224,139 km (0.119 R)
• M30: 49,046,260 km (0.053 R)
• M31: 50,800,744 km (0.111 R)
• M32: 51,775,225 km (0.088 R)
• M33: 53,761,286 km (0.029 R)
• M34: 58,947,844 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 16,203 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit