🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 1000

Radius: 10.5

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.61 AU - 0.93 AU

Year: 458 Days

Day: 12.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,577,609 km

• M1: 131,197 km (0.12 R)
• M2: 468,391 km (0.113 R)
• M3: 853,605 km (0.08 R)
• M4: 1,267,393 km (0.061 R)
• M5: 2,269,549 km (0.117 R)
• M6: 2,854,776 km (0.098 R)
• M7: 3,748,324 km (0.118 R)
• M8: 4,507,085 km (0.049 R)
• M9: 5,715,686 km (0.107 R)
• M10: 6,081,901 km (0.102 R)
• M11: 6,620,753 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.4

Radius: 11.1

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.54 AU - 2.2 AU

Year: 1734 Days

Day: 14.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,577,609 km

• M1: 138,079 km (0.077 R)
• M2: 517,459 km (0.118 R)
• M3: 1,323,044 km (0.071 R)
• M4: 2,316,373 km (0.086 R)
• M5: 2,810,346 km (0.105 R)
• M6: 3,485,630 km (0.11 R)
• M7: 4,340,881 km (0.06 R)
• M8: 5,373,855 km (0.117 R)
• M9: 7,949,481 km (0.048 R)
• M10: 9,298,704 km (0.092 R)
• M11: 11,006,065 km (0.045 R)
• M12: 14,049,484 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.6

Radius: 9.9

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.84 AU - 2.18 AU

Year: 1933 Days

Day: 12.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,577,609 km

• M1: 123,269 km (0.05 R)
• M2: 480,060 km (0.062 R)
• M3: 963,410 km (0.079 R)
• M4: 3,138,713 km (0.037 R)
• M5: 3,669,636 km (0.088 R)
• M6: 5,118,042 km (0.105 R)
• M7: 5,730,945 km (0.049 R)
• M8: 7,968,779 km (0.101 R)
• M9: 9,098,243 km (0.051 R)
• M10: 10,027,994 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.2

Radius: 8.7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.23 AU - 5.29 AU

Year: 8182 Days

Day: 5.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,577,609 km

• M1: 109,206 km (0.078 R)
• M2: 435,330 km (0.11 R)
• M3: 832,512 km (0.073 R)
• M4: 1,563,447 km (0.111 R)
• M5: 1,944,922 km (0.049 R)
• M6: 2,271,045 km (0.115 R)
• M7: 2,633,671 km (0.097 R)
• M8: 3,410,682 km (0.079 R)
• M9: 3,770,614 km (0.105 R)
• M10: 5,062,093 km (0.094 R)
• M11: 6,126,930 km (0.078 R)
• M12: 8,570,612 km (0.112 R)
• M13: 12,573,851 km (0.104 R)
• M14: 15,038,027 km (0.064 R)
• M15: 16,383,360 km (0.11 R)
• M16: 16,700,059 km (0.107 R)
• M17: 17,608,417 km (0.089 R)
• M18: 18,824,199 km (0.115 R)
• M19: 19,101,853 km (0.049 R)
• M20: 21,122,322 km (0.063 R)
• M21: 21,877,193 km (0.038 R)
• M22: 22,964,171 km (0.102 R)
• M23: 24,414,073 km (0.062 R)
• M24: 28,213,560 km (0.029 R)
• M25: 29,781,495 km (0.069 R)
• M26: 32,489,217 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.2

Radius: 8.1

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.16 AU - 6.72 AU

Year: 8606 Days

Day: 5.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 28,577,609 km

• M1: 109,805 km (0.107 R)
• M2: 513,121 km (0.104 R)
• M3: 774,169 km (0.079 R)
• M4: 1,492,538 km (0.048 R)
• M5: 2,096,764 km (0.071 R)
• M6: 2,596,720 km (0.079 R)
• M7: 3,240,439 km (0.069 R)
• M8: 3,516,747 km (0.092 R)
• M9: 4,169,741 km (0.05 R)
• M10: 4,610,307 km (0.116 R)
• M11: 5,423,820 km (0.058 R)
• M12: 6,329,785 km (0.078 R)
• M13: 6,726,369 km (0.101 R)
• M14: 9,698,580 km (0.096 R)
• M15: 11,028,056 km (0.1 R)
• M16: 11,709,773 km (0.091 R)
• M17: 12,033,653 km (0.053 R)
• M18: 12,643,114 km (0.107 R)
• M19: 13,507,192 km (0.109 R)
• M20: 16,672,234 km (0.109 R)
• M21: 19,235,743 km (0.078 R)
• M22: 23,216,243 km (0.107 R)
• M23: 25,578,543 km (0.096 R)
• M24: 29,465,096 km (0.05 R)
• M25: 29,964,603 km (0.088 R)
• M26: 30,980,223 km (0.088 R)
• M27: 33,295,250 km (0.105 R)
• M28: 41,176,515 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.1

Radius: 4.7

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.71 AU - 9.27 AU

Year: 13903 Days

Day: 19.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,577,609 km

• M1: 59,839 km (0.03 R)
• M2: 307,723 km (0.101 R)
• M3: 457,620 km (0.116 R)
• M4: 664,663 km (0.115 R)
• M5: 1,526,646 km (0.061 R)
• M6: 1,776,325 km (0.058 R)
• M7: 2,588,642 km (0.074 R)
• M8: 4,574,254 km (0.082 R)
• M9: 5,340,046 km (0.075 R)
• M10: 5,768,045 km (0.05 R)
• M11: 6,987,717 km (0.106 R)
• M12: 8,635,986 km (0.117 R)
• M13: 10,395,706 km (0.075 R)
• M14: 11,198,597 km (0.084 R)
• M15: 12,332,250 km (0.093 R)
• M16: 13,644,373 km (0.045 R)
• M17: 14,280,314 km (0.055 R)
• M18: 15,440,295 km (0.119 R)
• M19: 16,661,762 km (0.086 R)
• M20: 22,483,962 km (0.061 R)
• M21: 23,745,969 km (0.073 R)
• M22: 24,356,029 km (0.094 R)
• M23: 26,573,070 km (0.1 R)
• M24: 27,230,403 km (0.083 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 16,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit