🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.3

Radius: 14.3

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.43 AU - 0.59 AU

Year: 243 Days

Day: 8.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 45,410,433 km

• M1: 178,321 km (0.111 R)
• M2: 625,319 km (0.088 R)
• M3: 1,091,915 km (0.098 R)
• M4: 1,616,854 km (0.11 R)
• M5: 2,184,428 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.4

Radius: 13.5

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.7 AU - 0.78 AU

Year: 424 Days

Day: 7.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,410,433 km

• M1: 167,849 km (0.089 R)
• M2: 588,518 km (0.063 R)
• M3: 1,053,767 km (0.087 R)
• M4: 1,609,673 km (0.12 R)
• M5: 2,068,340 km (0.11 R)
• M6: 2,569,942 km (0.12 R)
• M7: 3,100,865 km (0.068 R)
• M8: 3,589,451 km (0.05 R)
• M9: 4,054,252 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.1

Radius: 9.3

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.74 AU - 0.92 AU

Year: 504 Days

Day: 5 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,410,433 km

• M1: 115,789 km (0.066 R)
• M2: 472,729 km (0.109 R)
• M3: 834,607 km (0.062 R)
• M4: 1,478,476 km (0.119 R)
• M5: 1,942,828 km (0.106 R)
• M6: 2,484,521 km (0.11 R)
• M7: 2,844,454 km (0.115 R)
• M8: 3,281,429 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.5

Radius: 9.2

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.09 AU - 1.27 AU

Year: 855 Days

Day: 6 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,410,433 km

• M1: 114,592 km (0.029 R)
• M2: 481,556 km (0.072 R)
• M3: 844,330 km (0.04 R)
• M4: 1,190,799 km (0.077 R)
• M5: 1,489,845 km (0.099 R)
• M6: 1,882,091 km (0.084 R)
• M7: 2,486,017 km (0.049 R)
• M8: 2,782,221 km (0.035 R)
• M9: 3,318,230 km (0.117 R)
• M10: 3,827,910 km (0.06 R)
• M11: 4,300,191 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.9

Radius: 8

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.62 AU - 2.28 AU

Year: 1816 Days

Day: 14.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,410,433 km

• M1: 99,782 km (0.094 R)
• M2: 388,506 km (0.108 R)
• M3: 733,030 km (0.111 R)
• M4: 2,787,457 km (0.071 R)
• M5: 4,606,268 km (0.116 R)
• M6: 5,525,397 km (0.095 R)
• M7: 8,432,682 km (0.087 R)
• M8: 9,128,312 km (0.037 R)
• M9: 9,446,358 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.3

Radius: 8.6

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.83 AU - 2.67 AU

Year: 2251 Days

Day: 8.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,410,433 km

• M1: 106,962 km (0.043 R)
• M2: 380,577 km (0.079 R)
• M3: 653,593 km (0.109 R)
• M4: 1,009,187 km (0.106 R)
• M5: 1,429,258 km (0.098 R)
• M6: 1,768,097 km (0.119 R)
• M7: 2,196,695 km (0.081 R)
• M8: 2,679,148 km (0.101 R)
• M9: 3,262,730 km (0.075 R)
• M10: 3,697,012 km (0.108 R)
• M11: 4,264,886 km (0.119 R)
• M12: 4,539,847 km (0.099 R)
• M13: 7,214,657 km (0.118 R)
• M14: 8,898,680 km (0.063 R)
• M15: 9,680,777 km (0.104 R)
• M16: 10,261,816 km (0.1 R)
• M17: 11,381,107 km (0.113 R)
• M18: 12,660,019 km (0.058 R)
• M19: 13,313,313 km (0.095 R)
• M20: 14,248,300 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.2

Radius: 13.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.58 AU - 6.88 AU

Year: 9147 Days

Day: 9.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,410,433 km

• M1: 173,833 km (0.097 R)
• M2: 813,962 km (0.107 R)
• M3: 1,264,850 km (0.119 R)
• M4: 3,046,411 km (0.106 R)
• M5: 3,524,376 km (0.094 R)
• M6: 4,322,630 km (0.099 R)
• M7: 5,082,588 km (0.088 R)
• M8: 5,759,967 km (0.052 R)
• M9: 6,316,022 km (0.103 R)
• M10: 8,032,508 km (0.059 R)
• M11: 9,369,614 km (0.115 R)
• M12: 13,237,616 km (0.087 R)
• M13: 14,713,100 km (0.105 R)
• M14: 16,295,546 km (0.107 R)
• M15: 19,257,435 km (0.097 R)
• M16: 20,505,081 km (0.096 R)
• M17: 23,859,514 km (0.12 R)
• M18: 26,320,549 km (0.099 R)
• M19: 27,856,470 km (0.081 R)
• M20: 29,349,905 km (0.116 R)
• M21: 30,895,999 km (0.073 R)
• M22: 33,371,395 km (0.052 R)
• M23: 34,487,844 km (0.063 R)
• M24: 41,844,170 km (0.068 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 11,862 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit