🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.4

Radius: 14.9

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.57 AU - 0.75 AU

Year: 358 Days

Day: 7.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,776,835 km

• M1: 185,352 km (0.116 R)
• M2: 708,346 km (0.086 R)
• M3: 1,195,137 km (0.08 R)
• M4: 1,780,514 km (0.077 R)
• M5: 2,333,876 km (0.113 R)
• M6: 2,830,541 km (0.03 R)
• M7: 3,479,646 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.9

Radius: 12

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.59 AU - 0.75 AU

Year: 366 Days

Day: 6.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 49,776,835 km

• M1: 149,299 km (0.055 R)
• M2: 553,363 km (0.083 R)
• M3: 1,044,044 km (0.049 R)
• M4: 1,536,669 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.5

Radius: 12.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.84 AU - 1.18 AU

Year: 677 Days

Day: 9.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,776,835 km

• M1: 157,975 km (0.12 R)
• M2: 564,134 km (0.08 R)
• M3: 1,155,793 km (0.105 R)
• M4: 1,970,054 km (0.083 R)
• M5: 2,663,590 km (0.099 R)
• M6: 3,449,876 km (0.071 R)
• M7: 4,372,746 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373

Radius: 12.3

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.43 AU - 3.25 AU

Year: 3192 Days

Day: 12.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,776,835 km

• M1: 153,338 km (0.059 R)
• M2: 542,442 km (0.032 R)
• M3: 957,127 km (0.073 R)
• M4: 1,750,295 km (0.075 R)
• M5: 2,325,050 km (0.116 R)
• M6: 2,731,358 km (0.082 R)
• M7: 3,235,204 km (0.082 R)
• M8: 4,772,471 km (0.1 R)
• M9: 6,806,703 km (0.074 R)
• M10: 7,321,320 km (0.069 R)
• M11: 8,047,617 km (0.099 R)
• M12: 8,722,154 km (0.09 R)
• M13: 9,893,954 km (0.111 R)
• M14: 10,555,327 km (0.035 R)
• M15: 11,012,498 km (0.077 R)
• M16: 11,562,569 km (0.099 R)
• M17: 13,455,880 km (0.114 R)
• M18: 15,160,996 km (0.115 R)
• M19: 17,214,077 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.4

Radius: 12.4

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.08 AU - 4.08 AU

Year: 4517 Days

Day: 12.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,776,835 km

• M1: 155,881 km (0.098 R)
• M2: 730,486 km (0.109 R)
• M3: 1,385,276 km (0.051 R)
• M4: 2,064,151 km (0.091 R)
• M5: 2,623,797 km (0.102 R)
• M6: 3,046,710 km (0.074 R)
• M7: 3,447,932 km (0.104 R)
• M8: 4,891,701 km (0.047 R)
• M9: 6,392,915 km (0.116 R)
• M10: 7,334,036 km (0.088 R)
• M11: 7,882,312 km (0.117 R)
• M12: 8,489,081 km (0.116 R)
• M13: 14,881,697 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.3

Radius: 10.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.02 AU - 4.58 AU

Year: 4940 Days

Day: 7.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,776,835 km

• M1: 134,339 km (0.05 R)
• M2: 482,603 km (0.076 R)
• M3: 988,692 km (0.106 R)
• M4: 1,339,499 km (0.099 R)
• M5: 1,850,376 km (0.074 R)
• M6: 2,275,384 km (0.1 R)
• M7: 3,210,819 km (0.095 R)
• M8: 3,787,519 km (0.099 R)
• M9: 5,279,458 km (0.112 R)
• M10: 6,874,471 km (0.092 R)
• M11: 7,903,704 km (0.06 R)
• M12: 8,768,829 km (0.093 R)
• M13: 9,147,611 km (0.03 R)
• M14: 9,856,705 km (0.098 R)
• M15: 11,654,123 km (0.116 R)
• M16: 12,158,866 km (0.095 R)
• M17: 12,630,399 km (0.09 R)
• M18: 14,325,343 km (0.043 R)
• M19: 15,336,175 km (0.068 R)
• M20: 15,775,694 km (0.118 R)
• M21: 16,565,122 km (0.062 R)
• M22: 17,380,729 km (0.12 R)
• M23: 18,161,780 km (0.03 R)
• M24: 18,716,040 km (0.097 R)
• M25: 19,281,670 km (0.103 R)
• M26: 19,729,416 km (0.103 R)
• M27: 20,712,274 km (0.116 R)
• M28: 21,727,445 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.1

Radius: 5.4

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.43 AU - 10.01 AU

Year: 18669 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,776,835 km

• M1: 68,067 km (0.11 R)
• M2: 263,292 km (0.101 R)
• M3: 489,185 km (0.088 R)
• M4: 1,969,755 km (0.106 R)
• M5: 3,493,260 km (0.085 R)
• M6: 4,937,328 km (0.039 R)
• M7: 8,203,050 km (0.111 R)
• M8: 8,611,302 km (0.069 R)
• M9: 11,350,290 km (0.071 R)
• M10: 13,781,853 km (0.114 R)
• M11: 14,423,479 km (0.109 R)
• M12: 14,818,118 km (0.066 R)
• M13: 33,027,470 km (0.091 R)
• M14: 41,092,291 km (0.064 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 11,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit