🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.3

Radius: 11

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.74 AU - 0.78 AU

Year: 435 Days

Day: 9.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,715,409 km

• M1: 137,181 km (0.095 R)
• M2: 539,001 km (0.11 R)
• M3: 914,193 km (0.082 R)
• M4: 1,291,030 km (0.1 R)
• M5: 1,638,695 km (0.045 R)
• M6: 2,075,521 km (0.045 R)
• M7: 3,164,893 km (0.117 R)
• M8: 3,552,052 km (0.084 R)
• M9: 3,957,312 km (0.037 R)
• M10: 5,099,791 km (0.113 R)
• M11: 6,243,617 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.2

Radius: 12.9

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.96 AU - 1.42 AU

Year: 852 Days

Day: 10.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,715,409 km

• M1: 160,369 km (0.102 R)
• M2: 736,919 km (0.108 R)
• M3: 1,217,876 km (0.109 R)
• M4: 1,718,281 km (0.101 R)
• M5: 2,120,550 km (0.084 R)
• M6: 2,552,738 km (0.118 R)
• M7: 2,981,037 km (0.108 R)
• M8: 3,415,918 km (0.09 R)
• M9: 4,877,190 km (0.117 R)
• M10: 6,102,097 km (0.088 R)
• M11: 6,545,954 km (0.077 R)
• M12: 7,714,762 km (0.105 R)
• M13: 8,568,218 km (0.118 R)
• M14: 9,180,672 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.7

Radius: 12.3

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.79 AU - 2.89 AU

Year: 2348 Days

Day: 9.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,715,409 km

• M1: 153,039 km (0.1 R)
• M2: 568,322 km (0.102 R)
• M3: 1,035,666 km (0.115 R)
• M4: 1,501,514 km (0.059 R)
• M5: 2,182,035 km (0.1 R)
• M6: 2,827,998 km (0.078 R)
• M7: 3,651,983 km (0.095 R)
• M8: 4,120,823 km (0.068 R)
• M9: 4,801,493 km (0.05 R)
• M10: 5,507,894 km (0.084 R)
• M11: 6,387,530 km (0.102 R)
• M12: 7,925,695 km (0.054 R)
• M13: 8,586,170 km (0.074 R)
• M14: 9,981,619 km (0.046 R)
• M15: 11,405,042 km (0.074 R)
• M16: 12,124,758 km (0.059 R)
• M17: 14,931,363 km (0.106 R)
• M18: 16,136,823 km (0.064 R)
• M19: 17,044,284 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.5

Radius: 8.2

Gravity: 12.99 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.82 AU - 3.02 AU

Year: 2470 Days

Day: 14.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,715,409 km

• M1: 102,026 km (0.063 R)
• M2: 420,071 km (0.087 R)
• M3: 1,116,599 km (0.092 R)
• M4: 1,536,071 km (0.064 R)
• M5: 2,122,644 km (0.085 R)
• M6: 2,818,424 km (0.095 R)
• M7: 3,098,621 km (0.113 R)
• M8: 4,814,508 km (0.088 R)
• M9: 6,731,904 km (0.105 R)
• M10: 7,265,969 km (0.088 R)
• M11: 9,396,242 km (0.099 R)
• M12: 10,063,449 km (0.083 R)
• M13: 12,560,536 km (0.104 R)
• M14: 15,748,916 km (0.048 R)
• M15: 16,058,434 km (0.116 R)
• M16: 18,797,720 km (0.115 R)
• M17: 19,975,654 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.4

Radius: 11.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.12 AU - 4.84 AU

Year: 5209 Days

Day: 5.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,715,409 km

• M1: 143,016 km (0.058 R)
• M2: 551,268 km (0.117 R)
• M3: 938,427 km (0.058 R)
• M4: 1,792,781 km (0.081 R)
• M5: 2,439,792 km (0.087 R)
• M6: 3,200,048 km (0.119 R)
• M7: 4,156,278 km (0.056 R)
• M8: 4,761,850 km (0.044 R)
• M9: 5,215,131 km (0.052 R)
• M10: 6,938,050 km (0.12 R)
• M11: 8,209,034 km (0.061 R)
• M12: 8,714,525 km (0.089 R)
• M13: 10,151,263 km (0.083 R)
• M14: 10,776,582 km (0.073 R)
• M15: 11,295,088 km (0.11 R)
• M16: 12,104,263 km (0.109 R)
• M17: 14,659,544 km (0.064 R)
• M18: 15,731,862 km (0.119 R)
• M19: 16,798,195 km (0.039 R)
• M20: 17,496,069 km (0.114 R)
• M21: 18,334,565 km (0.04 R)
• M22: 19,578,771 km (0.104 R)
• M23: 20,417,117 km (0.098 R)
• M24: 21,011,470 km (0.078 R)
• M25: 23,361,353 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.2

Radius: 14.5

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.43 AU - 5.93 AU

Year: 8880 Days

Day: 8.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,715,409 km

• M1: 180,714 km (0.088 R)
• M2: 712,834 km (0.117 R)
• M3: 1,342,790 km (0.099 R)
• M4: 2,231,252 km (0.106 R)
• M5: 3,067,056 km (0.105 R)
• M6: 4,297,648 km (0.107 R)
• M7: 4,825,130 km (0.047 R)
• M8: 5,629,966 km (0.114 R)
• M9: 6,673,860 km (0.119 R)
• M10: 7,142,251 km (0.115 R)
• M11: 12,582,228 km (0.12 R)
• M12: 13,981,567 km (0.048 R)
• M13: 15,482,332 km (0.112 R)
• M14: 16,944,203 km (0.057 R)
• M15: 19,741,234 km (0.118 R)
• M16: 21,207,742 km (0.11 R)
• M17: 22,053,269 km (0.033 R)
• M18: 22,921,236 km (0.105 R)
• M19: 25,003,788 km (0.081 R)
• M20: 25,947,451 km (0.031 R)
• M21: 28,309,452 km (0.078 R)
• M22: 30,811,477 km (0.085 R)
• M23: 33,571,109 km (0.104 R)
• M24: 34,027,532 km (0.101 R)
• M25: 38,696,780 km (0.12 R)
• M26: 39,324,792 km (0.038 R)
• M27: 47,114,802 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.9

Radius: 5.8

Gravity: 16.61 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 8.08 AU - 12.98 AU

Year: 22416 Days

Day: 21.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,715,409 km

• M1: 72,106 km (0.092 R)
• M2: 330,761 km (0.111 R)
• M3: 812,765 km (0.112 R)
• M4: 1,118,394 km (0.05 R)
• M5: 1,597,556 km (0.106 R)
• M6: 2,826,502 km (0.083 R)
• M7: 3,302,223 km (0.075 R)
• M8: 3,799,038 km (0.1 R)
• M9: 4,618,535 km (0.063 R)
• M10: 5,354,407 km (0.091 R)
• M11: 5,955,641 km (0.102 R)
• M12: 8,870,107 km (0.109 R)
• M13: 15,416,210 km (0.111 R)
• M14: 17,383,273 km (0.064 R)
• M15: 18,162,229 km (0.049 R)
• M16: 21,217,616 km (0.055 R)
• M17: 23,123,642 km (0.091 R)
• M18: 30,380,485 km (0.05 R)
• M19: 38,003,993 km (0.096 R)
• M20: 38,437,228 km (0.06 R)
• M21: 42,952,241 km (0.028 R)
• M22: 43,265,200 km (0.116 R)
• M23: 46,974,779 km (0.095 R)
• M24: 58,785,530 km (0.05 R)
• M25: 60,928,670 km (0.112 R)
• M26: 66,408,739 km (0.076 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 19,910 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit