🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.14 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.17 AU - 2.37 AU

Year: 1288 Days

Day: 19.1 Hours

Environment

Temp: -91 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,268,637 km

• M1: 982,260 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.33 AU - 2.59 AU

Year: 1454 Days

Day: 18.8 Hours

Environment

Temp: -86 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.33 AU - 3.73 AU

Year: 2499 Days

Day: 36.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.7

Radius: 13.7

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.89 AU - 7.15 AU

Year: 5564 Days

Day: 10.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,268,637 km

• M1: 170,691 km (0.071 R)
• M2: 603,627 km (0.117 R)
• M3: 1,836,613 km (0.054 R)
• M4: 2,362,450 km (0.075 R)
• M5: 3,142,303 km (0.053 R)
• M6: 3,921,559 km (0.108 R)
• M7: 5,194,188 km (0.104 R)
• M8: 6,036,424 km (0.099 R)
• M9: 8,387,055 km (0.102 R)
• M10: 8,890,003 km (0.11 R)
• M11: 10,377,903 km (0.108 R)
• M12: 12,666,901 km (0.106 R)
• M13: 13,330,217 km (0.08 R)
• M14: 13,799,656 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.8

Radius: 13.7

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 6.53 AU - 10.57 AU

Year: 9418 Days

Day: 6 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,268,637 km

• M1: 170,392 km (0.078 R)
• M2: 813,364 km (0.112 R)
• M3: 1,414,149 km (0.055 R)
• M4: 2,393,566 km (0.08 R)
• M5: 2,848,343 km (0.103 R)
• M6: 3,522,282 km (0.114 R)
• M7: 4,300,789 km (0.082 R)
• M8: 5,314,764 km (0.073 R)
• M9: 5,996,182 km (0.119 R)
• M10: 7,416,614 km (0.12 R)
• M11: 8,872,949 km (0.086 R)
• M12: 10,512,392 km (0.118 R)
• M13: 13,543,694 km (0.087 R)
• M14: 16,302,578 km (0.089 R)
• M15: 18,823,451 km (0.092 R)
• M16: 20,408,441 km (0.025 R)
• M17: 23,671,320 km (0.086 R)
• M18: 29,690,839 km (0.119 R)
• M19: 30,801,603 km (0.077 R)
• M20: 31,626,635 km (0.086 R)
• M21: 32,149,630 km (0.086 R)
• M22: 35,298,366 km (0.097 R)
• M23: 37,937,721 km (0.089 R)
• M24: 40,092,977 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.8

Radius: 14.1

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.9 AU - 11.54 AU

Year: 11416 Days

Day: 9.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,268,637 km

• M1: 175,478 km (0.068 R)
• M2: 732,581 km (0.1 R)
• M3: 1,627,475 km (0.09 R)
• M4: 3,038,931 km (0.11 R)
• M5: 3,777,645 km (0.115 R)
• M6: 4,287,625 km (0.086 R)
• M7: 4,966,799 km (0.117 R)
• M8: 6,579,165 km (0.12 R)
• M9: 7,609,296 km (0.092 R)
• M10: 8,207,238 km (0.06 R)
• M11: 9,115,597 km (0.106 R)
• M12: 10,602,899 km (0.107 R)
• M13: 11,349,990 km (0.052 R)
• M14: 12,477,809 km (0.061 R)
• M15: 13,803,545 km (0.073 R)
• M16: 18,044,346 km (0.08 R)
• M17: 21,367,064 km (0.092 R)
• M18: 22,559,957 km (0.07 R)
• M19: 23,706,924 km (0.099 R)
• M20: 28,482,836 km (0.062 R)
• M21: 30,774,227 km (0.068 R)
• M22: 32,294,889 km (0.08 R)
• M23: 34,437,879 km (0.065 R)
• M24: 40,915,317 km (0.031 R)
• M25: 42,752,977 km (0.059 R)
• M26: 45,890,493 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.4

Radius: 12.6

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 10.78 AU - 11.14 AU

Year: 13669 Days

Day: 8.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 172.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,268,637 km

• M1: 174,880 km (0.11 R)
• M2: 582,983 km (0.095 R)
• M3: 1,084,585 km (0.092 R)
• M4: 1,804,749 km (0.075 R)
• M5: 2,316,373 km (0.071 R)
• M6: 4,198,763 km (0.101 R)
• M7: 4,623,921 km (0.036 R)
• M8: 6,276,977 km (0.046 R)
• M9: 8,418,171 km (0.037 R)
• M10: 10,139,295 km (0.09 R)
• M11: 11,563,317 km (0.114 R)
• M12: 12,457,912 km (0.068 R)
• M13: 13,511,680 km (0.108 R)
• M14: 19,690,521 km (0.099 R)
• M15: 21,119,330 km (0.111 R)
• M16: 22,215,433 km (0.058 R)
• M17: 22,858,704 km (0.111 R)
• M18: 24,182,496 km (0.075 R)
• M19: 24,606,456 km (0.097 R)
• M20: 25,469,337 km (0.118 R)
• M21: 31,880,653 km (0.063 R)
• M22: 37,681,011 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.4

Radius: 4.1

Gravity: 15.49 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 13.9 AU - 14.94 AU

Year: 20629 Days

Day: 22.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,268,637 km

• M1: 52,210 km (0.12 R)
• M2: 322,383 km (0.106 R)
• M3: 887,863 km (0.076 R)
• M4: 1,285,046 km (0.035 R)
• M5: 1,538,764 km (0.087 R)
• M6: 2,630,379 km (0.063 R)
• M7: 3,184,789 km (0.095 R)
• M8: 3,360,118 km (0.075 R)
• M9: 4,127,405 km (0.062 R)
• M10: 4,489,582 km (0.116 R)
• M11: 7,955,615 km (0.053 R)
• M12: 9,051,569 km (0.069 R)
• M13: 9,302,594 km (0.106 R)
• M14: 10,352,921 km (0.087 R)
• M15: 10,682,784 km (0.11 R)
• M16: 11,363,604 km (0.114 R)
• M17: 13,974,535 km (0.102 R)
• M18: 15,206,474 km (0.075 R)
• M19: 15,704,485 km (0.1 R)
• M20: 17,263,893 km (0.062 R)
• M21: 18,358,800 km (0.06 R)
• M22: 19,086,744 km (0.071 R)
• M23: 31,503,367 km (0.089 R)
• M24: 34,819,952 km (0.089 R)
• M25: 50,569,915 km (0.072 R)
• M26: 53,940,355 km (0.074 R)
• M27: 55,262,800 km (0.063 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: 530 - 10,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit