🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.1

Radius: 12.7

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.65 AU - 0.81 AU

Year: 409 Days

Day: 10 Hours

Environment

Temp: -141 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,709,084 km

• M1: 157,975 km (0.059 R)
• M2: 847,472 km (0.106 R)
• M3: 1,344,735 km (0.114 R)
• M4: 1,921,884 km (0.114 R)
• M5: 2,317,121 km (0.101 R)
• M6: 2,738,090 km (0.052 R)
• M7: 3,135,123 km (0.079 R)
• M8: 3,701,201 km (0.091 R)
• M9: 4,552,413 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.8

Radius: 9.9

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.64 AU - 1.04 AU

Year: 505 Days

Day: 11.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 29,709,084 km

• M1: 125,363 km (0.086 R)
• M2: 498,161 km (0.117 R)
• M3: 1,775,876 km (0.09 R)
• M4: 2,143,588 km (0.11 R)
• M5: 2,829,045 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541

Radius: 14.2

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.84 AU - 1.34 AU

Year: 747 Days

Day: 8.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,709,084 km

• M1: 176,675 km (0.105 R)
• M2: 642,672 km (0.082 R)
• M3: 1,136,495 km (0.107 R)
• M4: 1,713,943 km (0.053 R)
• M5: 2,246,661 km (0.095 R)
• M6: 2,688,274 km (0.119 R)
• M7: 3,225,629 km (0.104 R)
• M8: 4,959,169 km (0.11 R)
• M9: 6,534,136 km (0.086 R)
• M10: 7,337,626 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.4

Radius: 12.7

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.92 AU - 1.32 AU

Year: 778 Days

Day: 9.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,709,084 km

• M1: 158,125 km (0.059 R)
• M2: 563,386 km (0.089 R)
• M3: 970,142 km (0.088 R)
• M4: 1,570,478 km (0.119 R)
• M5: 2,037,972 km (0.03 R)
• M6: 2,451,909 km (0.078 R)
• M7: 2,981,037 km (0.078 R)
• M8: 3,946,990 km (0.116 R)
• M9: 4,519,052 km (0.118 R)
• M10: 5,180,425 km (0.028 R)
• M11: 5,607,676 km (0.04 R)
• M12: 6,155,354 km (0.119 R)
• M13: 7,314,588 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.3

Radius: 12.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.35 AU - 1.51 AU

Year: 1122 Days

Day: 6.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,709,084 km

• M1: 160,369 km (0.036 R)
• M2: 1,084,585 km (0.059 R)
• M3: 1,511,836 km (0.058 R)
• M4: 1,960,929 km (0.078 R)
• M5: 2,666,732 km (0.116 R)
• M6: 3,279,634 km (0.108 R)
• M7: 3,763,284 km (0.077 R)
• M8: 4,823,933 km (0.112 R)
• M9: 5,267,491 km (0.079 R)
• M10: 8,179,264 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.4

Radius: 13.9

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.29 AU - 1.67 AU

Year: 1181 Days

Day: 7.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,709,084 km

• M1: 172,935 km (0.085 R)
• M2: 802,892 km (0.08 R)
• M3: 1,408,913 km (0.11 R)
• M4: 1,935,198 km (0.107 R)
• M5: 2,918,654 km (0.094 R)
• M6: 5,308,181 km (0.078 R)
• M7: 6,323,053 km (0.105 R)
• M8: 8,032,358 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.7

Radius: 10.9

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.37 AU - 1.64 AU

Year: 1205 Days

Day: 5.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,709,084 km

• M1: 135,536 km (0.071 R)
• M2: 484,548 km (0.119 R)
• M3: 826,229 km (0.1 R)
• M4: 1,360,144 km (0.105 R)
• M5: 1,848,132 km (0.098 R)
• M6: 2,239,929 km (0.058 R)
• M7: 2,731,807 km (0.102 R)
• M8: 3,295,043 km (0.044 R)
• M9: 3,666,345 km (0.082 R)
• M10: 4,478,212 km (0.054 R)
• M11: 5,352,163 km (0.078 R)
• M12: 5,848,978 km (0.025 R)
• M13: 6,600,258 km (0.093 R)
• M14: 7,370,089 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.1

Radius: 8.1

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.63 AU - 2.25 AU

Year: 1773 Days

Day: 13 Hours

Environment

Temp: -179 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,709,084 km

• M1: 100,829 km (0.088 R)
• M2: 425,756 km (0.116 R)
• M3: 692,189 km (0.083 R)
• M4: 1,212,192 km (0.119 R)
• M5: 1,474,885 km (0.117 R)
• M6: 1,823,598 km (0.031 R)
• M7: 2,128,778 km (0.114 R)
• M8: 2,409,124 km (0.098 R)
• M9: 2,869,437 km (0.079 R)
• M10: 3,583,617 km (0.062 R)
• M11: 3,835,689 km (0.062 R)
• M12: 4,288,223 km (0.028 R)
• M13: 4,927,155 km (0.086 R)
• M14: 5,712,095 km (0.093 R)
• M15: 6,190,360 km (0.077 R)
• M16: 6,531,593 km (0.111 R)
• M17: 6,957,498 km (0.086 R)
• M18: 7,276,590 km (0.055 R)
• M19: 8,157,572 km (0.031 R)
• M20: 10,161,136 km (0.088 R)
• M21: 10,798,274 km (0.091 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.3

Radius: 8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.74 AU - 3.74 AU

Year: 3826 Days

Day: 7.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,709,084 km

• M1: 99,931 km (0.116 R)
• M2: 380,876 km (0.111 R)
• M3: 2,328,790 km (0.105 R)
• M4: 3,378,369 km (0.034 R)
• M5: 3,820,879 km (0.109 R)
• M6: 4,385,462 km (0.094 R)
• M7: 5,004,498 km (0.044 R)
• M8: 5,344,833 km (0.089 R)
• M9: 5,700,576 km (0.066 R)
• M10: 8,023,532 km (0.102 R)
• M11: 9,280,902 km (0.085 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.2

Radius: 12.7

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.18 AU - 5.83 AU

Year: 7334 Days

Day: 7.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,709,084 km

• M1: 157,975 km (0.107 R)
• M2: 636,539 km (0.079 R)
• M3: 1,135,448 km (0.104 R)
• M4: 1,703,920 km (0.056 R)
• M5: 2,179,791 km (0.105 R)
• M6: 3,655,873 km (0.085 R)
• M7: 4,409,696 km (0.101 R)
• M8: 4,994,475 km (0.104 R)
• M9: 5,894,007 km (0.088 R)
• M10: 6,351,477 km (0.066 R)
• M11: 7,303,518 km (0.035 R)
• M12: 11,005,018 km (0.083 R)
• M13: 11,465,929 km (0.12 R)
• M14: 12,181,455 km (0.052 R)
• M15: 13,336,052 km (0.084 R)
• M16: 14,507,553 km (0.097 R)
• M17: 15,573,587 km (0.11 R)
• M18: 17,054,905 km (0.06 R)
• M19: 18,563,450 km (0.079 R)
• M20: 20,159,211 km (0.054 R)
• M21: 20,710,928 km (0.104 R)
• M22: 25,255,113 km (0.067 R)
• M23: 26,713,542 km (0.082 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: 525 - 19,927 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit