🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.6

Radius: 14.8

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.45 AU - 0.63 AU

Year: 274 Days

Day: 8.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,737,332 km

• M1: 185,053 km (0.119 R)
• M2: 687,701 km (0.106 R)
• M3: 1,374,505 km (0.094 R)
• M4: 1,854,714 km (0.042 R)
• M5: 2,644,292 km (0.057 R)
• M6: 3,142,004 km (0.107 R)
• M7: 3,671,132 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600

Radius: 12.4

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.71 AU - 1.05 AU

Year: 570 Days

Day: 14.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,737,332 km

• M1: 154,535 km (0.108 R)
• M2: 656,585 km (0.059 R)
• M3: 1,066,034 km (0.039 R)
• M4: 1,559,259 km (0.042 R)
• M5: 2,372,622 km (0.052 R)
• M6: 2,821,865 km (0.053 R)
• M7: 3,642,259 km (0.102 R)
• M8: 4,172,883 km (0.061 R)
• M9: 4,896,488 km (0.09 R)
• M10: 5,424,120 km (0.088 R)
• M11: 6,381,696 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.2

Radius: 13.1

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.99 AU - 1.05 AU

Year: 711 Days

Day: 8.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 100.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,737,332 km

• M1: 162,912 km (0.063 R)
• M2: 619,934 km (0.115 R)
• M3: 1,069,774 km (0.113 R)
• M4: 1,536,071 km (0.033 R)
• M5: 2,139,998 km (0.11 R)
• M6: 2,639,954 km (0.092 R)
• M7: 4,002,491 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.1

Radius: 10.6

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.5 AU - 1.62 AU

Year: 1345 Days

Day: 11.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,737,332 km

• M1: 131,796 km (0.1 R)
• M2: 523,443 km (0.086 R)
• M3: 959,072 km (0.108 R)
• M4: 1,360,144 km (0.107 R)
• M5: 1,816,866 km (0.114 R)
• M6: 2,363,198 km (0.071 R)
• M7: 2,756,790 km (0.084 R)
• M8: 3,408,139 km (0.06 R)
• M9: 4,960,217 km (0.039 R)
• M10: 5,549,183 km (0.117 R)
• M11: 6,140,394 km (0.039 R)
• M12: 6,726,668 km (0.105 R)
• M13: 7,473,910 km (0.04 R)
• M14: 7,958,607 km (0.071 R)
• M15: 8,683,558 km (0.11 R)
• M16: 9,162,271 km (0.069 R)
• M17: 10,768,504 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.4

Radius: 8.8

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3 AU - 3.3 AU

Year: 3859 Days

Day: 8.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,737,332 km

• M1: 109,805 km (0.096 R)
• M2: 1,038,808 km (0.059 R)
• M3: 2,436,650 km (0.101 R)
• M4: 3,036,986 km (0.096 R)
• M5: 3,912,134 km (0.104 R)
• M6: 4,530,572 km (0.04 R)
• M7: 5,827,435 km (0.1 R)
• M8: 7,109,639 km (0.119 R)
• M9: 7,418,409 km (0.06 R)
• M10: 8,063,026 km (0.072 R)
• M11: 10,144,082 km (0.097 R)
• M12: 12,559,938 km (0.064 R)
• M13: 14,287,195 km (0.089 R)
• M14: 16,273,556 km (0.112 R)
• M15: 17,752,031 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.9

Radius: 5

Gravity: 15.48 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.7 AU - 8.22 AU

Year: 14064 Days

Day: 17.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,737,332 km

• M1: 62,233 km (0.068 R)
• M2: 397,482 km (0.12 R)
• M3: 598,391 km (0.045 R)
• M4: 792,719 km (0.097 R)
• M5: 965,804 km (0.105 R)
• M6: 1,896,452 km (0.037 R)
• M7: 2,379,803 km (0.117 R)
• M8: 2,537,778 km (0.1 R)
• M9: 3,170,428 km (0.095 R)
• M10: 3,337,678 km (0.051 R)
• M11: 3,587,058 km (0.112 R)
• M12: 4,179,316 km (0.107 R)
• M13: 4,528,776 km (0.107 R)
• M14: 5,121,483 km (0.114 R)
• M15: 5,555,915 km (0.034 R)
• M16: 6,768,556 km (0.117 R)
• M17: 7,046,957 km (0.053 R)
• M18: 7,927,790 km (0.116 R)
• M19: 8,103,567 km (0.031 R)
• M20: 10,212,598 km (0.069 R)
• M21: 10,845,696 km (0.082 R)
• M22: 11,337,424 km (0.118 R)
• M23: 11,730,119 km (0.09 R)
• M24: 16,168,987 km (0.118 R)
• M25: 16,452,026 km (0.092 R)
• M26: 19,386,687 km (0.111 R)
• M27: 22,476,482 km (0.111 R)
• M28: 23,817,477 km (0.086 R)
• M29: 25,210,832 km (0.066 R)
• M30: 26,756,028 km (0.115 R)
• M31: 28,982,194 km (0.083 R)
• M32: 33,684,055 km (0.092 R)
• M33: 34,261,802 km (0.075 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: 512 - 18,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit