🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.2

Radius: 10

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.46 AU - 0.58 AU

Year: 254 Days

Day: 13.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,642,253 km

• M1: 124,465 km (0.091 R)
• M2: 454,179 km (0.085 R)
• M3: 798,105 km (0.075 R)
• M4: 1,134,401 km (0.069 R)
• M5: 1,482,664 km (0.075 R)
• M6: 1,915,451 km (0.112 R)
• M7: 2,231,252 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.4

Radius: 9

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.53 AU - 0.57 AU

Year: 277 Days

Day: 5.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 148.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,642,253 km

• M1: 113,395 km (0.115 R)
• M2: 613,950 km (0.117 R)
• M3: 899,532 km (0.098 R)
• M4: 1,307,186 km (0.076 R)
• M5: 1,587,533 km (0.095 R)
• M6: 1,942,229 km (0.113 R)
• M7: 2,242,771 km (0.079 R)
• M8: 2,566,202 km (0.047 R)
• M9: 3,220,244 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147

Radius: 9

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.74 AU - 0.92 AU

Year: 513 Days

Day: 9.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 23,642,253 km

• M1: 111,899 km (0.052 R)
• M2: 401,221 km (0.108 R)
• M3: 1,033,871 km (0.075 R)
• M4: 2,442,784 km (0.054 R)
• M5: 3,051,198 km (0.11 R)
• M6: 3,701,799 km (0.099 R)

Asteroid Belt

Center: 1.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.6

Radius: 11.6

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.76 AU - 2.04 AU

Year: 1776 Days

Day: 5.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,642,253 km

• M1: 146,905 km (0.072 R)
• M2: 926,759 km (0.028 R)
• M3: 1,356,105 km (0.114 R)
• M4: 1,807,441 km (0.076 R)
• M5: 2,553,336 km (0.113 R)
• M6: 3,519,290 km (0.115 R)
• M7: 4,017,600 km (0.098 R)
• M8: 4,443,805 km (0.104 R)
• M9: 6,329,187 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.1

Radius: 8

Gravity: 12.66 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.3 AU - 5.24 AU

Year: 5985 Days

Day: 10.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 23,642,253 km

• M1: 99,483 km (0.082 R)
• M2: 508,334 km (0.09 R)
• M3: 782,846 km (0.085 R)
• M4: 1,599,351 km (0.091 R)
• M5: 1,992,494 km (0.085 R)
• M6: 2,721,335 km (0.111 R)
• M7: 2,993,603 km (0.038 R)
• M8: 4,322,780 km (0.051 R)
• M9: 4,613,748 km (0.093 R)
• M10: 5,783,603 km (0.078 R)
• M11: 6,236,436 km (0.11 R)
• M12: 6,959,742 km (0.115 R)
• M13: 7,585,210 km (0.069 R)
• M14: 8,247,630 km (0.114 R)
• M15: 8,696,423 km (0.109 R)
• M16: 9,033,019 km (0.04 R)
• M17: 10,049,237 km (0.102 R)
• M18: 11,386,941 km (0.114 R)
• M19: 12,202,549 km (0.088 R)
• M20: 13,166,109 km (0.07 R)
• M21: 16,107,951 km (0.113 R)
• M22: 18,756,282 km (0.088 R)
• M23: 19,532,545 km (0.075 R)
• M24: 20,774,208 km (0.062 R)
• M25: 21,989,989 km (0.09 R)
• M26: 22,853,020 km (0.12 R)
• M27: 23,575,727 km (0.03 R)
• M28: 25,151,441 km (0.093 R)
• M29: 32,358,468 km (0.105 R)
• M30: 32,660,357 km (0.112 R)
• M31: 35,568,390 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.7

Radius: 14.9

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.69 AU - 5.07 AU

Year: 6217 Days

Day: 12 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,642,253 km

• M1: 188,643 km (0.109 R)
• M2: 891,753 km (0.109 R)
• M3: 1,821,803 km (0.092 R)
• M4: 2,614,971 km (0.108 R)
• M5: 4,952,288 km (0.108 R)
• M6: 6,787,854 km (0.1 R)
• M7: 8,160,414 km (0.099 R)
• M8: 12,074,643 km (0.069 R)
• M9: 12,831,009 km (0.032 R)
• M10: 13,849,771 km (0.12 R)
• M11: 15,729,917 km (0.112 R)
• M12: 27,467,665 km (0.111 R)
• M13: 28,777,095 km (0.088 R)
• M14: 29,254,612 km (0.032 R)
• M15: 30,918,140 km (0.039 R)
• M16: 34,112,802 km (0.079 R)
• M17: 35,735,042 km (0.1 R)
• M18: 37,521,390 km (0.095 R)
• M19: 38,552,119 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.7

Radius: 9.3

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.11 AU - 6.47 AU

Year: 8252 Days

Day: 7.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,642,253 km

• M1: 119,379 km (0.032 R)
• M2: 510,428 km (0.111 R)
• M3: 865,124 km (0.049 R)
• M4: 2,605,397 km (0.115 R)
• M5: 4,051,260 km (0.092 R)
• M6: 5,534,972 km (0.117 R)
• M7: 5,887,125 km (0.097 R)
• M8: 6,636,461 km (0.109 R)
• M9: 9,118,289 km (0.118 R)
• M10: 9,457,278 km (0.109 R)
• M11: 11,715,159 km (0.07 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: 334 - 11,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit