🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.5

Radius: 12.8

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.84 AU - 0.94 AU

Year: 551 Days

Day: 11.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,359,173 km

• M1: 159,172 km (0.076 R)
• M2: 648,058 km (0.094 R)
• M3: 1,121,236 km (0.087 R)
• M4: 1,724,863 km (0.073 R)
• M5: 2,405,983 km (0.104 R)
• M6: 2,878,263 km (0.11 R)
• M7: 3,569,555 km (0.1 R)
• M8: 4,666,406 km (0.105 R)
• M9: 5,215,281 km (0.085 R)
• M10: 6,148,622 km (0.097 R)
• M11: 6,747,762 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.3

Radius: 14.7

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.03 AU - 1.13 AU

Year: 736 Days

Day: 6.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,359,173 km

• M1: 182,958 km (0.119 R)
• M2: 690,095 km (0.029 R)
• M3: 1,332,019 km (0.049 R)
• M4: 2,283,312 km (0.1 R)
• M5: 3,442,247 km (0.108 R)
• M6: 4,147,003 km (0.104 R)
• M7: 4,703,207 km (0.092 R)
• M8: 5,402,428 km (0.096 R)
• M9: 5,987,056 km (0.079 R)
• M10: 6,809,994 km (0.068 R)
• M11: 7,635,625 km (0.114 R)
• M12: 8,760,451 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.7

Radius: 14

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.31 AU - 1.99 AU

Year: 1390 Days

Day: 5.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 87.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,359,173 km

• M1: 174,132 km (0.116 R)
• M2: 612,454 km (0.116 R)
• M3: 1,098,796 km (0.103 R)
• M4: 1,548,039 km (0.12 R)
• M5: 2,469,262 km (0.091 R)
• M6: 3,294,893 km (0.102 R)
• M7: 5,004,647 km (0.064 R)
• M8: 5,629,218 km (0.054 R)
• M9: 6,185,274 km (0.103 R)
• M10: 6,777,681 km (0.071 R)
• M11: 7,435,014 km (0.102 R)
• M12: 8,163,257 km (0.092 R)
• M13: 9,993,437 km (0.094 R)
• M14: 10,706,570 km (0.086 R)
• M15: 11,858,623 km (0.107 R)
• M16: 13,332,013 km (0.089 R)
• M17: 13,863,235 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.6

Radius: 13.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.26 AU - 3.56 AU

Year: 3256 Days

Day: 12.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,359,173 km

• M1: 171,738 km (0.061 R)
• M2: 603,627 km (0.067 R)
• M3: 1,054,216 km (0.083 R)
• M4: 1,490,593 km (0.094 R)
• M5: 2,051,136 km (0.112 R)
• M6: 2,719,540 km (0.073 R)
• M7: 3,304,019 km (0.076 R)
• M8: 4,056,197 km (0.109 R)
• M9: 5,344,534 km (0.107 R)
• M10: 6,013,685 km (0.068 R)
• M11: 6,798,774 km (0.093 R)
• M12: 7,359,467 km (0.069 R)
• M13: 8,052,405 km (0.116 R)
• M14: 9,304,090 km (0.097 R)
• M15: 10,395,706 km (0.069 R)
• M16: 11,226,572 km (0.11 R)
• M17: 13,449,746 km (0.042 R)
• M18: 15,471,113 km (0.084 R)
• M19: 16,224,188 km (0.085 R)
• M20: 17,342,582 km (0.083 R)
• M21: 19,607,943 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.8

Radius: 8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.18 AU - 5.12 AU

Year: 6578 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,359,173 km

• M1: 99,483 km (0.079 R)
• M2: 359,484 km (0.076 R)
• M3: 1,025,344 km (0.103 R)
• M4: 1,290,880 km (0.041 R)
• M5: 2,436,949 km (0.109 R)
• M6: 2,776,836 km (0.09 R)
• M7: 3,267,367 km (0.119 R)
• M8: 4,010,121 km (0.057 R)
• M9: 4,379,029 km (0.103 R)
• M10: 5,648,666 km (0.119 R)
• M11: 5,929,461 km (0.068 R)
• M12: 6,300,314 km (0.1 R)
• M13: 10,407,075 km (0.097 R)
• M14: 11,465,929 km (0.05 R)
• M15: 11,958,854 km (0.079 R)
• M16: 12,899,076 km (0.099 R)
• M17: 14,781,766 km (0.068 R)
• M18: 17,157,081 km (0.072 R)
• M19: 18,351,769 km (0.086 R)
• M20: 18,799,665 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.9

Radius: 10.3

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.65 AU - 5.43 AU

Year: 7423 Days

Day: 13 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,359,173 km

• M1: 128,205 km (0.104 R)
• M2: 520,451 km (0.076 R)
• M3: 1,709,604 km (0.054 R)
• M4: 2,226,914 km (0.091 R)
• M5: 2,792,095 km (0.113 R)
• M6: 3,750,419 km (0.088 R)
• M7: 4,305,726 km (0.119 R)
• M8: 6,432,110 km (0.08 R)
• M9: 6,889,281 km (0.034 R)
• M10: 8,127,503 km (0.091 R)
• M11: 11,317,977 km (0.107 R)
• M12: 17,103,375 km (0.052 R)
• M13: 17,854,955 km (0.103 R)
• M14: 20,104,009 km (0.083 R)
• M15: 20,589,604 km (0.112 R)
• M16: 23,668,627 km (0.096 R)
• M17: 24,444,741 km (0.063 R)
• M18: 26,624,681 km (0.113 R)
• M19: 29,728,687 km (0.115 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 14,896 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit