🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.2

Radius: 12.5

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.56 AU - 0.66 AU

Year: 323 Days

Day: 11.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,885,776 km

• M1: 155,432 km (0.114 R)
• M2: 584,180 km (0.08 R)
• M3: 998,117 km (0.068 R)
• M4: 1,735,036 km (0.109 R)
• M5: 2,278,974 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545

Radius: 12.4

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.62 AU - 1 AU

Year: 494 Days

Day: 13.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,885,776 km

• M1: 154,834 km (0.075 R)
• M2: 671,395 km (0.062 R)
• M3: 1,082,341 km (0.1 R)
• M4: 1,591,123 km (0.067 R)
• M5: 2,003,265 km (0.097 R)
• M6: 2,643,095 km (0.061 R)
• M7: 3,083,212 km (0.084 R)
• M8: 3,887,899 km (0.075 R)
• M9: 4,347,314 km (0.107 R)
• M10: 4,782,644 km (0.07 R)
• M11: 5,408,861 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.6

Radius: 12.9

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.74 AU - 1.1 AU

Year: 599 Days

Day: 11.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,885,776 km

• M1: 160,369 km (0.057 R)
• M2: 908,059 km (0.119 R)
• M3: 1,348,475 km (0.095 R)
• M4: 2,031,689 km (0.108 R)
• M5: 2,470,609 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.6

Radius: 12.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.42 AU - 1.5 AU

Year: 1197 Days

Day: 9.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,885,776 km

• M1: 150,495 km (0.076 R)
• M2: 558,000 km (0.115 R)
• M3: 1,073,814 km (0.113 R)
• M4: 1,613,862 km (0.095 R)
• M5: 2,243,519 km (0.072 R)
• M6: 3,086,054 km (0.04 R)
• M7: 4,298,096 km (0.053 R)
• M8: 4,908,456 km (0.113 R)
• M9: 5,658,539 km (0.116 R)
• M10: 6,214,595 km (0.086 R)
• M11: 7,092,884 km (0.088 R)
• M12: 7,817,386 km (0.061 R)
• M13: 8,372,394 km (0.114 R)
• M14: 9,210,741 km (0.105 R)
• M15: 9,770,087 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.7

Radius: 14.6

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.07 AU - 2.91 AU

Year: 2665 Days

Day: 12.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,885,776 km

• M1: 181,612 km (0.088 R)
• M2: 761,752 km (0.04 R)
• M3: 1,859,202 km (0.074 R)
• M4: 2,530,897 km (0.071 R)
• M5: 3,213,961 km (0.091 R)
• M6: 5,242,508 km (0.03 R)
• M7: 6,385,884 km (0.041 R)
• M8: 7,484,830 km (0.106 R)
• M9: 10,970,012 km (0.03 R)
• M10: 13,215,027 km (0.045 R)
• M11: 13,865,179 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.8

Radius: 12.4

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.81 AU - 4.25 AU

Year: 4498 Days

Day: 8.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,885,776 km

• M1: 186,698 km (0.096 R)
• M2: 1,568,534 km (0.072 R)
• M3: 3,396,470 km (0.107 R)
• M4: 4,028,521 km (0.065 R)
• M5: 4,946,902 km (0.04 R)
• M6: 5,487,100 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.5

Radius: 11

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.3 AU - 4.36 AU

Year: 5084 Days

Day: 9.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,885,776 km

• M1: 137,630 km (0.117 R)
• M2: 658,530 km (0.113 R)
• M3: 1,449,903 km (0.089 R)
• M4: 1,985,164 km (0.094 R)
• M5: 2,616,467 km (0.113 R)
• M6: 3,575,688 km (0.082 R)
• M7: 4,010,869 km (0.085 R)
• M8: 4,820,791 km (0.043 R)
• M9: 7,039,328 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.1

Radius: 10.2

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.04 AU - 5.46 AU

Year: 7022 Days

Day: 11.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,885,776 km

• M1: 129,552 km (0.103 R)
• M2: 648,357 km (0.039 R)
• M3: 1,124,378 km (0.113 R)
• M4: 1,739,374 km (0.088 R)
• M5: 2,700,391 km (0.039 R)
• M6: 3,470,222 km (0.108 R)
• M7: 3,983,043 km (0.085 R)
• M8: 6,273,686 km (0.037 R)
• M9: 7,779,239 km (0.059 R)
• M10: 8,190,483 km (0.088 R)
• M11: 10,370,872 km (0.04 R)
• M12: 11,073,683 km (0.078 R)
• M13: 11,701,097 km (0.069 R)
• M14: 12,855,843 km (0.101 R)
• M15: 24,350,943 km (0.083 R)
• M16: 25,143,662 km (0.09 R)
• M17: 25,501,500 km (0.067 R)
• M18: 27,341,704 km (0.1 R)
• M19: 28,294,343 km (0.072 R)
• M20: 29,072,252 km (0.088 R)
• M21: 30,976,782 km (0.097 R)
• M22: 31,595,220 km (0.074 R)
• M23: 34,042,043 km (0.104 R)
• M24: 41,635,780 km (0.115 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 14,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit