🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.8

Radius: 12.6

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.68 AU - 0.9 AU

Year: 453 Days

Day: 11.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,530,985 km

• M1: 156,629 km (0.065 R)
• M2: 553,213 km (0.059 R)
• M3: 1,003,054 km (0.083 R)
• M4: 1,418,188 km (0.076 R)
• M5: 1,942,528 km (0.06 R)
• M6: 2,387,881 km (0.059 R)
• M7: 3,139,012 km (0.11 R)
• M8: 3,719,153 km (0.119 R)
• M9: 4,731,033 km (0.104 R)
• M10: 5,327,031 km (0.103 R)
• M11: 6,267,552 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833

Radius: 14.7

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.01 AU - 1.03 AU

Year: 665 Days

Day: 14.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,530,985 km

• M1: 182,809 km (0.057 R)
• M2: 761,603 km (0.089 R)
• M3: 1,272,629 km (0.069 R)
• M4: 1,769,294 km (0.109 R)
• M5: 2,523,566 km (0.086 R)
• M6: 2,988,965 km (0.111 R)
• M7: 3,803,825 km (0.108 R)
• M8: 4,295,553 km (0.097 R)
• M9: 5,300,103 km (0.076 R)
• M10: 6,643,492 km (0.107 R)
• M11: 8,082,773 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.6

Radius: 9.5

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.96 AU - 1.2 AU

Year: 725 Days

Day: 5.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,530,985 km

• M1: 118,182 km (0.052 R)
• M2: 487,839 km (0.103 R)
• M3: 866,620 km (0.041 R)
• M4: 1,230,742 km (0.071 R)
• M5: 1,534,725 km (0.113 R)
• M6: 1,853,368 km (0.079 R)
• M7: 2,912,371 km (0.068 R)
• M8: 3,231,613 km (0.105 R)
• M9: 3,776,598 km (0.09 R)
• M10: 4,141,617 km (0.106 R)
• M11: 4,682,264 km (0.11 R)
• M12: 5,014,371 km (0.107 R)
• M13: 6,045,400 km (0.073 R)
• M14: 6,807,451 km (0.062 R)
• M15: 7,490,365 km (0.092 R)
• M16: 7,824,268 km (0.082 R)
• M17: 8,419,967 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.4

Radius: 9.5

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.77 AU - 2.17 AU

Year: 1785 Days

Day: 7.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,530,985 km

• M1: 118,182 km (0.104 R)
• M2: 714,330 km (0.055 R)
• M3: 1,282,503 km (0.042 R)
• M4: 1,806,245 km (0.104 R)
• M5: 2,141,643 km (0.114 R)
• M6: 2,480,183 km (0.027 R)
• M7: 3,175,215 km (0.088 R)
• M8: 3,568,657 km (0.114 R)
• M9: 4,303,332 km (0.058 R)
• M10: 5,177,582 km (0.041 R)
• M11: 5,679,483 km (0.095 R)
• M12: 6,431,661 km (0.08 R)
• M13: 6,831,836 km (0.112 R)
• M14: 7,654,624 km (0.117 R)
• M15: 8,248,677 km (0.094 R)
• M16: 8,691,487 km (0.054 R)
• M17: 8,995,470 km (0.078 R)
• M18: 10,831,335 km (0.075 R)
• M19: 11,183,787 km (0.095 R)
• M20: 13,421,173 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.3

Radius: 11.1

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.11 AU - 3.09 AU

Year: 2707 Days

Day: 8.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,530,985 km

• M1: 140,024 km (0.113 R)
• M2: 496,515 km (0.1 R)
• M3: 1,148,463 km (0.093 R)
• M4: 1,797,269 km (0.073 R)
• M5: 2,630,379 km (0.087 R)
• M6: 2,988,217 km (0.116 R)
• M7: 3,946,093 km (0.11 R)
• M8: 4,553,161 km (0.071 R)
• M9: 5,872,464 km (0.114 R)
• M10: 6,489,406 km (0.073 R)
• M11: 7,754,256 km (0.068 R)
• M12: 8,707,942 km (0.103 R)
• M13: 9,473,435 km (0.1 R)
• M14: 10,322,702 km (0.06 R)
• M15: 11,391,130 km (0.101 R)
• M16: 12,531,664 km (0.108 R)
• M17: 15,090,236 km (0.105 R)
• M18: 17,070,613 km (0.111 R)
• M19: 18,503,312 km (0.086 R)
• M20: 20,768,523 km (0.101 R)

Asteroid Belt

Center: 4.13 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.1

Radius: 8.7

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.53 AU - 6.79 AU

Year: 8694 Days

Day: 8.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,530,985 km

• M1: 108,159 km (0.113 R)
• M2: 491,429 km (0.12 R)
• M3: 794,215 km (0.07 R)
• M4: 1,245,103 km (0.081 R)
• M5: 2,110,377 km (0.094 R)
• M6: 2,415,706 km (0.032 R)
• M7: 3,096,975 km (0.104 R)
• M8: 3,431,626 km (0.108 R)
• M9: 3,790,511 km (0.108 R)
• M10: 5,046,385 km (0.04 R)
• M11: 6,559,567 km (0.12 R)
• M12: 7,699,653 km (0.104 R)
• M13: 8,095,339 km (0.095 R)
• M14: 9,283,894 km (0.086 R)
• M15: 11,672,523 km (0.094 R)
• M16: 13,648,263 km (0.052 R)
• M17: 14,015,525 km (0.038 R)
• M18: 15,269,305 km (0.069 R)
• M19: 16,596,089 km (0.102 R)
• M20: 17,075,101 km (0.087 R)
• M21: 17,810,973 km (0.083 R)
• M22: 18,695,844 km (0.061 R)
• M23: 26,129,213 km (0.054 R)
• M24: 28,360,764 km (0.066 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 14,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit