🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.43 AU - 0.67 AU

Year: 259 Days

Day: 33.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,280,282 km

• M1: 192,682 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.1

Radius: 13.9

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.89 AU - 1.11 AU

Year: 636 Days

Day: 6.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,280,282 km

• M1: 172,935 km (0.099 R)
• M2: 873,203 km (0.101 R)
• M3: 1,601,445 km (0.074 R)
• M4: 2,099,756 km (0.09 R)
• M5: 2,691,864 km (0.119 R)
• M6: 4,216,266 km (0.034 R)
• M7: 4,905,015 km (0.082 R)
• M8: 5,561,600 km (0.099 R)
• M9: 6,012,937 km (0.112 R)
• M10: 6,508,405 km (0.086 R)
• M11: 6,989,961 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923

Radius: 10.3

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.18 AU - 1.3 AU

Year: 878 Days

Day: 7.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,280,282 km

• M1: 128,056 km (0.114 R)
• M2: 473,028 km (0.034 R)
• M3: 839,992 km (0.116 R)
• M4: 1,207,404 km (0.079 R)
• M5: 1,692,251 km (0.115 R)
• M6: 2,196,097 km (0.113 R)
• M7: 2,711,013 km (0.096 R)
• M8: 3,305,066 km (0.079 R)
• M9: 3,888,049 km (0.083 R)
• M10: 4,399,374 km (0.043 R)
• M11: 5,638,194 km (0.039 R)
• M12: 5,970,750 km (0.03 R)
• M13: 6,930,421 km (0.027 R)
• M14: 7,312,643 km (0.088 R)
• M15: 8,041,484 km (0.055 R)
• M16: 10,365,337 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.8

Radius: 9.6

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.59 AU - 1.77 AU

Year: 1385 Days

Day: 12.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,280,282 km

• M1: 119,529 km (0.075 R)
• M2: 470,635 km (0.036 R)
• M3: 791,373 km (0.105 R)
• M4: 1,412,653 km (0.077 R)
• M5: 3,164,593 km (0.075 R)
• M6: 3,493,260 km (0.109 R)
• M7: 3,810,407 km (0.079 R)
• M8: 4,128,752 km (0.087 R)
• M9: 5,065,533 km (0.109 R)
• M10: 5,902,982 km (0.071 R)
• M11: 7,248,166 km (0.071 R)
• M12: 7,907,594 km (0.085 R)
• M13: 9,377,393 km (0.061 R)
• M14: 9,829,029 km (0.111 R)
• M15: 10,227,558 km (0.072 R)
• M16: 10,950,863 km (0.048 R)
• M17: 12,499,500 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.7

Radius: 8.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.9 AU - 3.16 AU

Year: 3353 Days

Day: 9.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,280,282 km

• M1: 102,026 km (0.084 R)
• M2: 373,247 km (0.11 R)
• M3: 640,578 km (0.047 R)
• M4: 999,463 km (0.105 R)
• M5: 1,638,545 km (0.11 R)
• M6: 3,387,045 km (0.085 R)
• M7: 4,250,524 km (0.107 R)
• M8: 4,513,517 km (0.039 R)
• M9: 5,253,428 km (0.074 R)
• M10: 6,071,729 km (0.093 R)
• M11: 6,511,547 km (0.069 R)
• M12: 7,000,133 km (0.114 R)
• M13: 7,659,860 km (0.061 R)
• M14: 8,486,538 km (0.081 R)
• M15: 11,246,469 km (0.063 R)
• M16: 12,110,396 km (0.076 R)
• M17: 14,372,615 km (0.112 R)
• M18: 14,782,813 km (0.095 R)
• M19: 15,818,778 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.1

Radius: 3

Gravity: 57.68 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 8.02 AU - 13.32 AU

Year: 22161 Days

Day: 20.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,280,282 km

• M1: 47,722 km (0.059 R)
• M2: 153,188 km (0.109 R)
• M3: 287,826 km (0.099 R)
• M4: 1,063,641 km (0.087 R)
• M5: 1,482,515 km (0.115 R)
• M6: 2,123,093 km (0.1 R)
• M7: 4,143,412 km (0.069 R)
• M8: 6,106,435 km (0.069 R)
• M9: 6,984,725 km (0.077 R)
• M10: 7,169,927 km (0.042 R)
• M11: 9,712,941 km (0.061 R)
• M12: 9,943,770 km (0.062 R)
• M13: 10,356,511 km (0.099 R)
• M14: 12,592,700 km (0.083 R)
• M15: 13,931,751 km (0.105 R)
• M16: 15,913,922 km (0.06 R)
• M17: 16,073,842 km (0.059 R)
• M18: 19,591,038 km (0.083 R)
• M19: 21,188,444 km (0.066 R)
• M20: 26,947,962 km (0.098 R)
• M21: 29,637,133 km (0.06 R)
• M22: 30,984,262 km (0.106 R)
• M23: 33,275,653 km (0.106 R)
• M24: 39,347,082 km (0.073 R)
• M25: 40,673,716 km (0.114 R)
• M26: 49,774,353 km (0.099 R)
• M27: 50,459,511 km (0.093 R)
• M28: 51,848,827 km (0.068 R)
• M29: 52,024,305 km (0.06 R)
• M30: 62,096,730 km (0.058 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: 241 - 13,515 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit