🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.7

Radius: 13.1

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.52 AU - 0.76 AU

Year: 360 Days

Day: 12.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,004,694 km

• M1: 162,912 km (0.104 R)
• M2: 651,200 km (0.055 R)
• M3: 1,149,061 km (0.098 R)
• M4: 1,757,775 km (0.071 R)
• M5: 2,778,032 km (0.07 R)
• M6: 3,196,009 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.3

Radius: 11.2

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.8 AU - 0.96 AU

Year: 580 Days

Day: 9.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,004,694 km

• M1: 139,276 km (0.086 R)
• M2: 544,087 km (0.032 R)
• M3: 1,210,845 km (0.113 R)
• M4: 1,583,344 km (0.07 R)
• M5: 1,940,434 km (0.096 R)
• M6: 2,579,217 km (0.072 R)
• M7: 2,988,068 km (0.091 R)
• M8: 3,341,268 km (0.059 R)
• M9: 3,992,917 km (0.047 R)
• M10: 4,743,150 km (0.103 R)
• M11: 5,111,011 km (0.081 R)
• M12: 5,463,613 km (0.074 R)
• M13: 6,369,429 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.4

Radius: 10.1

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.19 AU - 2.39 AU

Year: 2436 Days

Day: 6.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,004,694 km

• M1: 125,662 km (0.07 R)
• M2: 484,099 km (0.071 R)
• M3: 824,434 km (0.101 R)
• M4: 1,179,729 km (0.081 R)
• M5: 2,583,555 km (0.083 R)
• M6: 3,207,528 km (0.044 R)
• M7: 3,530,659 km (0.087 R)
• M8: 3,893,285 km (0.102 R)
• M9: 4,879,284 km (0.073 R)
• M10: 5,555,467 km (0.059 R)
• M11: 6,367,484 km (0.105 R)
• M12: 6,933,712 km (0.109 R)
• M13: 10,775,235 km (0.101 R)
• M14: 11,246,020 km (0.049 R)
• M15: 13,309,274 km (0.102 R)
• M16: 14,235,584 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.2

Radius: 8.1

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.36 AU - 3.18 AU

Year: 3241 Days

Day: 7.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,004,694 km

• M1: 100,829 km (0.102 R)
• M2: 394,938 km (0.108 R)
• M3: 1,106,426 km (0.071 R)
• M4: 1,431,053 km (0.113 R)
• M5: 1,781,860 km (0.074 R)
• M6: 2,217,938 km (0.048 R)
• M7: 3,101,762 km (0.091 R)
• M8: 3,837,634 km (0.113 R)
• M9: 4,520,249 km (0.041 R)
• M10: 5,385,374 km (0.049 R)
• M11: 6,211,154 km (0.106 R)
• M12: 6,930,421 km (0.079 R)
• M13: 7,440,101 km (0.032 R)
• M14: 8,356,537 km (0.077 R)
• M15: 9,008,036 km (0.074 R)
• M16: 9,346,277 km (0.032 R)
• M17: 13,403,670 km (0.071 R)
• M18: 16,308,113 km (0.118 R)
• M19: 17,439,821 km (0.114 R)
• M20: 20,432,376 km (0.087 R)
• M21: 23,750,756 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.6

Radius: 9.9

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.86 AU - 4.68 AU

Year: 5145 Days

Day: 10.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,004,694 km

• M1: 123,717 km (0.025 R)
• M2: 451,038 km (0.083 R)
• M3: 845,078 km (0.071 R)
• M4: 1,209,499 km (0.093 R)
• M5: 1,811,780 km (0.064 R)
• M6: 2,316,822 km (0.109 R)
• M7: 2,838,620 km (0.111 R)
• M8: 3,951,329 km (0.093 R)
• M9: 4,858,490 km (0.108 R)
• M10: 5,390,460 km (0.041 R)
• M11: 6,023,109 km (0.112 R)
• M12: 7,151,526 km (0.106 R)
• M13: 7,840,574 km (0.035 R)
• M14: 9,350,914 km (0.056 R)
• M15: 10,309,238 km (0.049 R)
• M16: 11,331,740 km (0.106 R)
• M17: 11,867,749 km (0.103 R)
• M18: 15,094,126 km (0.095 R)
• M19: 16,908,150 km (0.075 R)
• M20: 18,063,943 km (0.102 R)
• M21: 23,922,943 km (0.113 R)
• M22: 25,131,545 km (0.119 R)
• M23: 26,720,274 km (0.081 R)
• M24: 30,374,800 km (0.091 R)
• M25: 32,467,076 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.9

Radius: 8.1

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.06 AU - 6.32 AU

Year: 8311 Days

Day: 8.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,004,694 km

• M1: 156,779 km (0.109 R)
• M2: 879,037 km (0.09 R)
• M3: 1,145,920 km (0.097 R)
• M4: 2,351,978 km (0.076 R)
• M5: 2,942,441 km (0.109 R)
• M6: 3,820,131 km (0.092 R)
• M7: 4,931,643 km (0.055 R)
• M8: 5,896,849 km (0.115 R)
• M9: 6,217,886 km (0.111 R)
• M10: 8,001,242 km (0.113 R)
• M11: 8,870,855 km (0.081 R)
• M12: 9,654,747 km (0.112 R)
• M13: 10,063,598 km (0.03 R)
• M14: 10,484,118 km (0.057 R)
• M15: 14,328,035 km (0.042 R)
• M16: 17,392,847 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.7

Radius: 14.9

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.31 AU - 6.11 AU

Year: 8359 Days

Day: 8.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,004,694 km

• M1: 185,352 km (0.099 R)
• M2: 741,856 km (0.102 R)
• M3: 1,258,118 km (0.061 R)
• M4: 2,172,311 km (0.083 R)
• M5: 3,521,683 km (0.065 R)
• M6: 4,052,906 km (0.119 R)
• M7: 5,310,575 km (0.071 R)
• M8: 8,411,589 km (0.085 R)
• M9: 8,995,769 km (0.12 R)
• M10: 9,996,728 km (0.087 R)
• M11: 10,808,446 km (0.105 R)
• M12: 12,679,018 km (0.052 R)
• M13: 14,438,289 km (0.116 R)
• M14: 16,149,539 km (0.052 R)
• M15: 19,041,415 km (0.067 R)
• M16: 20,933,529 km (0.069 R)
• M17: 22,518,219 km (0.109 R)
• M18: 23,559,421 km (0.079 R)
• M19: 26,019,558 km (0.097 R)
• M20: 28,047,955 km (0.098 R)
• M21: 29,457,616 km (0.112 R)
• M22: 32,418,008 km (0.032 R)
• M23: 33,970,236 km (0.073 R)
• M24: 36,983,735 km (0.101 R)
• M25: 40,171,217 km (0.06 R)
• M26: 43,804,201 km (0.104 R)
• M27: 45,153,125 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.9

Radius: 7.7

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.02 AU - 12.34 AU

Year: 22831 Days

Day: 21.7 Hours

Environment

Temp: -246 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,004,694 km

• M1: 294,109 km (0.047 R)
• M2: 1,300,005 km (0.048 R)
• M3: 1,580,502 km (0.093 R)
• M4: 6,923,539 km (0.114 R)
• M5: 12,793,012 km (0.086 R)
• M6: 18,307,189 km (0.082 R)
• M7: 26,737,478 km (0.074 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 17,814 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit