🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.4

Radius: 12

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.48 AU - 0.68 AU

Year: 305 Days

Day: 12 Hours

Environment

Temp: -150 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,111,659 km

• M1: 149,299 km (0.107 R)
• M2: 902,823 km (0.034 R)
• M3: 1,379,891 km (0.112 R)
• M4: 1,837,361 km (0.079 R)
• M5: 2,352,576 km (0.086 R)
• M6: 2,735,846 km (0.079 R)
• M7: 3,257,793 km (0.103 R)
• M8: 3,713,169 km (0.084 R)
• M9: 4,489,881 km (0.116 R)
• M10: 4,968,145 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.4

Radius: 13.1

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.55 AU - 0.71 AU

Year: 345 Days

Day: 14.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,111,659 km

• M1: 162,912 km (0.026 R)
• M2: 621,130 km (0.075 R)
• M3: 1,062,594 km (0.097 R)
• M4: 1,742,815 km (0.065 R)
• M5: 2,583,106 km (0.118 R)
• M6: 3,006,468 km (0.093 R)
• M7: 3,644,204 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.3

Radius: 13.7

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.49 AU - 0.81 AU

Year: 362 Days

Day: 6.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,111,659 km

• M1: 170,392 km (0.098 R)
• M2: 646,712 km (0.061 R)
• M3: 1,381,088 km (0.1 R)
• M4: 2,042,161 km (0.095 R)
• M5: 2,723,429 km (0.08 R)
• M6: 3,293,248 km (0.078 R)
• M7: 3,916,173 km (0.051 R)
• M8: 4,689,893 km (0.096 R)
• M9: 5,883,684 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.7

Radius: 9.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.58 AU - 0.76 AU

Year: 379 Days

Day: 11.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,111,659 km

• M1: 113,096 km (0.099 R)
• M2: 880,982 km (0.054 R)
• M3: 1,239,867 km (0.11 R)
• M4: 1,564,195 km (0.076 R)
• M5: 1,864,438 km (0.055 R)
• M6: 2,163,036 km (0.033 R)
• M7: 2,629,781 km (0.11 R)
• M8: 2,927,182 km (0.078 R)
• M9: 3,322,718 km (0.108 R)
• M10: 4,195,921 km (0.07 R)
• M11: 4,509,777 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.1

Radius: 15

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.6 AU - 0.76 AU

Year: 387 Days

Day: 10.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,111,659 km

• M1: 187,147 km (0.115 R)
• M2: 788,381 km (0.094 R)
• M3: 1,733,690 km (0.115 R)
• M4: 2,231,701 km (0.095 R)
• M5: 2,893,522 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.9

Radius: 11

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.65 AU - 0.87 AU

Year: 457 Days

Day: 14.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,111,659 km

• M1: 136,732 km (0.03 R)
• M2: 547,827 km (0.109 R)
• M3: 947,703 km (0.077 R)
• M4: 1,520,812 km (0.118 R)
• M5: 2,148,525 km (0.116 R)
• M6: 2,795,984 km (0.064 R)
• M7: 3,389,888 km (0.057 R)
• M8: 3,792,904 km (0.099 R)
• M9: 4,755,567 km (0.098 R)
• M10: 5,167,858 km (0.093 R)
• M11: 5,570,726 km (0.062 R)

Asteroid Belt

Center: 2.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.7

Radius: 9.7

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.47 AU - 4.33 AU

Year: 5316 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,111,659 km

• M1: 120,576 km (0.055 R)
• M2: 499,806 km (0.07 R)
• M3: 889,060 km (0.107 R)
• M4: 1,290,431 km (0.055 R)
• M5: 2,191,609 km (0.106 R)
• M6: 2,589,240 km (0.106 R)
• M7: 2,957,101 km (0.101 R)
• M8: 3,359,968 km (0.051 R)
• M9: 5,467,503 km (0.12 R)
• M10: 6,832,883 km (0.11 R)
• M11: 7,613,484 km (0.099 R)
• M12: 8,531,567 km (0.062 R)
• M13: 9,225,252 km (0.093 R)
• M14: 9,737,325 km (0.093 R)
• M15: 11,877,622 km (0.088 R)
• M16: 13,539,954 km (0.119 R)
• M17: 14,145,675 km (0.077 R)
• M18: 14,769,349 km (0.099 R)
• M19: 15,470,514 km (0.047 R)
• M20: 16,563,626 km (0.053 R)
• M21: 18,431,954 km (0.108 R)
• M22: 19,039,321 km (0.073 R)
• M23: 27,317,469 km (0.089 R)
• M24: 28,731,468 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.8

Radius: 4.7

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.33 AU - 6.79 AU

Year: 9049 Days

Day: 21.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,111,659 km

• M1: 59,690 km (0.087 R)
• M2: 590,313 km (0.103 R)
• M3: 2,055,774 km (0.085 R)
• M4: 2,311,437 km (0.051 R)
• M5: 6,308,393 km (0.113 R)
• M6: 9,726,106 km (0.102 R)
• M7: 11,109,437 km (0.119 R)
• M8: 11,895,125 km (0.108 R)
• M9: 13,218,169 km (0.055 R)
• M10: 17,957,579 km (0.082 R)
• M11: 20,227,577 km (0.114 R)
• M12: 25,484,596 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.7

Radius: 7.6

Gravity: 14.14 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.69 AU - 6.73 AU

Year: 10682 Days

Day: 23.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 53,111,659 km

• M1: 94,546 km (0.101 R)
• M2: 359,633 km (0.108 R)
• M3: 636,240 km (0.1 R)
• M4: 1,115,103 km (0.096 R)
• M5: 1,361,041 km (0.075 R)
• M6: 1,643,632 km (0.1 R)
• M7: 2,196,695 km (0.065 R)
• M8: 2,527,157 km (0.088 R)
• M9: 3,191,371 km (0.072 R)
• M10: 3,437,011 km (0.091 R)
• M11: 4,193,228 km (0.106 R)
• M12: 4,488,684 km (0.117 R)
• M13: 5,055,660 km (0.105 R)
• M14: 6,031,337 km (0.102 R)
• M15: 6,721,732 km (0.093 R)
• M16: 7,506,223 km (0.086 R)
• M17: 8,724,249 km (0.119 R)
• M18: 10,600,206 km (0.101 R)
• M19: 11,951,673 km (0.12 R)
• M20: 12,247,129 km (0.072 R)
• M21: 13,100,435 km (0.082 R)
• M22: 14,254,882 km (0.045 R)
• M23: 15,475,750 km (0.065 R)
• M24: 18,910,068 km (0.113 R)
• M25: 20,048,359 km (0.044 R)
• M26: 21,928,654 km (0.099 R)
• M27: 30,518,714 km (0.077 R)
• M28: 32,196,155 km (0.084 R)
• M29: 33,581,730 km (0.118 R)
• M30: 34,289,178 km (0.09 R)
• M31: 35,368,826 km (0.103 R)
• M32: 36,101,257 km (0.053 R)
• M33: 36,347,495 km (0.108 R)
• M34: 37,093,241 km (0.062 R)
• M35: 38,103,475 km (0.081 R)
• M36: 40,708,872 km (0.05 R)
• M37: 44,552,639 km (0.052 R)
• M38: 49,082,912 km (0.056 R)
• M39: 51,381,333 km (0.095 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 12,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit