🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.8

Radius: 11.2

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.46 AU - 0.6 AU

Year: 271 Days

Day: 10.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,115,302 km

• M1: 139,276 km (0.089 R)
• M2: 489,484 km (0.094 R)
• M3: 936,931 km (0.073 R)
• M4: 1,553,873 km (0.085 R)
• M5: 2,145,682 km (0.101 R)
• M6: 2,538,377 km (0.116 R)
• M7: 3,332,442 km (0.107 R)
• M8: 3,759,245 km (0.089 R)
• M9: 4,272,366 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.3

Radius: 12.5

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.64 AU - 0.66 AU

Year: 368 Days

Day: 9.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,115,302 km

• M1: 155,432 km (0.08 R)
• M2: 589,266 km (0.06 R)
• M3: 1,180,028 km (0.043 R)
• M4: 1,824,795 km (0.104 R)
• M5: 2,308,894 km (0.067 R)
• M6: 2,920,450 km (0.102 R)
• M7: 3,317,034 km (0.102 R)
• M8: 3,749,671 km (0.104 R)
• M9: 4,456,072 km (0.105 R)
• M10: 4,909,204 km (0.114 R)
• M11: 5,376,847 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.4

Radius: 13.6

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.13 AU - 1.25 AU

Year: 912 Days

Day: 9.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,115,302 km

• M1: 169,195 km (0.094 R)
• M2: 596,148 km (0.12 R)
• M3: 1,056,610 km (0.088 R)
• M4: 1,713,045 km (0.079 R)
• M5: 2,279,872 km (0.078 R)
• M6: 2,854,776 km (0.049 R)
• M7: 3,380,613 km (0.076 R)
• M8: 3,844,516 km (0.038 R)
• M9: 4,300,041 km (0.115 R)
• M10: 4,920,424 km (0.103 R)
• M11: 5,499,218 km (0.103 R)
• M12: 6,679,096 km (0.108 R)
• M13: 7,171,722 km (0.099 R)
• M14: 8,524,535 km (0.118 R)
• M15: 9,218,969 km (0.103 R)
• M16: 9,860,893 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.1

Radius: 9.8

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.94 AU - 2.08 AU

Year: 2003 Days

Day: 14.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,115,302 km

• M1: 122,072 km (0.094 R)
• M2: 449,990 km (0.086 R)
• M3: 790,026 km (0.099 R)
• M4: 1,317,060 km (0.048 R)
• M5: 1,627,924 km (0.079 R)
• M6: 2,253,991 km (0.12 R)
• M7: 2,623,498 km (0.075 R)
• M8: 2,930,622 km (0.079 R)
• M9: 4,164,954 km (0.108 R)
• M10: 4,585,474 km (0.055 R)
• M11: 5,670,358 km (0.105 R)
• M12: 6,188,116 km (0.1 R)
• M13: 7,076,278 km (0.034 R)
• M14: 7,482,138 km (0.09 R)
• M15: 8,047,318 km (0.109 R)
• M16: 9,073,260 km (0.042 R)
• M17: 9,423,319 km (0.034 R)
• M18: 10,015,428 km (0.088 R)
• M19: 10,843,302 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.2

Radius: 10.6

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.67 AU - 2.55 AU

Year: 2154 Days

Day: 8.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,115,302 km

• M1: 134,937 km (0.102 R)
• M2: 648,806 km (0.072 R)
• M3: 1,266,645 km (0.062 R)
• M4: 1,612,515 km (0.108 R)
• M5: 3,235,802 km (0.081 R)
• M6: 3,838,532 km (0.094 R)
• M7: 5,268,089 km (0.111 R)
• M8: 5,675,294 km (0.068 R)
• M9: 6,800,121 km (0.079 R)
• M10: 7,196,705 km (0.088 R)
• M11: 7,912,680 km (0.089 R)
• M12: 8,383,764 km (0.088 R)
• M13: 11,734,906 km (0.094 R)
• M14: 13,199,319 km (0.096 R)
• M15: 13,728,447 km (0.066 R)
• M16: 14,502,167 km (0.066 R)
• M17: 15,938,157 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 14.8

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.73 AU - 4.05 AU

Year: 5393 Days

Day: 7.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,115,302 km

• M1: 184,454 km (0.117 R)
• M2: 708,645 km (0.059 R)
• M3: 1,480,421 km (0.086 R)
• M4: 2,761,128 km (0.118 R)
• M5: 3,325,561 km (0.108 R)
• M6: 4,206,692 km (0.044 R)
• M7: 4,850,113 km (0.093 R)
• M8: 5,411,703 km (0.09 R)
• M9: 6,599,510 km (0.039 R)
• M10: 7,729,273 km (0.068 R)
• M11: 9,318,601 km (0.114 R)
• M12: 10,833,279 km (0.06 R)
• M13: 13,136,638 km (0.063 R)
• M14: 15,450,618 km (0.102 R)
• M15: 15,932,024 km (0.08 R)
• M16: 17,308,025 km (0.054 R)
• M17: 21,019,847 km (0.069 R)
• M18: 23,453,805 km (0.091 R)
• M19: 25,315,700 km (0.056 R)
• M20: 25,985,749 km (0.067 R)
• M21: 29,148,996 km (0.115 R)
• M22: 33,553,905 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.8

Radius: 3.1

Gravity: 93.32 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.56 AU - 11.62 AU

Year: 22529 Days

Day: 18.9 Hours

Environment

Temp: -245 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 90,115,302 km

• M1: 148,850 km (0.117 R)
• M2: 1,429,108 km (0.059 R)
• M3: 1,585,438 km (0.062 R)
• M4: 2,235,441 km (0.115 R)
• M5: 2,990,162 km (0.102 R)
• M6: 7,300,675 km (0.073 R)
• M7: 8,029,815 km (0.09 R)
• M8: 10,378,502 km (0.045 R)
• M9: 11,298,080 km (0.096 R)
• M10: 12,998,559 km (0.091 R)
• M11: 16,545,225 km (0.055 R)
• M12: 16,720,105 km (0.105 R)
• M13: 17,522,847 km (0.105 R)
• M14: 18,257,672 km (0.063 R)
• M15: 19,886,793 km (0.118 R)
• M16: 22,029,932 km (0.062 R)
• M17: 25,817,750 km (0.108 R)
• M18: 27,009,148 km (0.074 R)
• M19: 28,864,311 km (0.085 R)
• M20: 35,368,677 km (0.097 R)
• M21: 37,284,726 km (0.029 R)
• M22: 40,682,842 km (0.038 R)
• M23: 56,338,857 km (0.061 R)
• M24: 57,733,109 km (0.092 R)
• M25: 61,632,827 km (0.108 R)
• M26: 62,264,279 km (0.062 R)
• M27: 62,687,492 km (0.038 R)
• M28: 71,330,060 km (0.11 R)
• M29: 73,667,377 km (0.091 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: 230 - 20,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit