🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.02 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.65 AU - 2.41 AU

Year: 1321 Days

Day: 39.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 70.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.3

Radius: 9.6

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.27 AU - 2.75 AU

Year: 1816 Days

Day: 13.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,160,372 km

• M1: 119,678 km (0.057 R)
• M2: 472,729 km (0.119 R)
• M3: 789,727 km (0.112 R)
• M4: 1,457,382 km (0.105 R)
• M5: 3,217,850 km (0.118 R)
• M6: 3,555,941 km (0.099 R)
• M7: 4,284,932 km (0.116 R)
• M8: 4,983,404 km (0.053 R)
• M9: 7,101,561 km (0.06 R)
• M10: 10,402,886 km (0.083 R)
• M11: 12,739,306 km (0.089 R)
• M12: 14,608,681 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.6

Radius: 13.7

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.07 AU - 4.75 AU

Year: 4228 Days

Day: 6.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,160,372 km

• M1: 170,392 km (0.066 R)
• M2: 925,113 km (0.117 R)
• M3: 1,553,574 km (0.114 R)
• M4: 2,167,224 km (0.077 R)
• M5: 2,994,949 km (0.086 R)
• M6: 4,328,166 km (0.111 R)
• M7: 4,982,207 km (0.063 R)
• M8: 5,501,312 km (0.116 R)
• M9: 6,116,907 km (0.059 R)
• M10: 6,876,565 km (0.105 R)
• M11: 9,744,805 km (0.103 R)
• M12: 10,692,957 km (0.088 R)
• M13: 12,376,082 km (0.117 R)
• M14: 13,076,350 km (0.118 R)
• M15: 13,540,253 km (0.104 R)
• M16: 14,229,899 km (0.076 R)
• M17: 17,596,001 km (0.103 R)
• M18: 19,198,493 km (0.095 R)
• M19: 20,274,102 km (0.093 R)
• M20: 21,036,602 km (0.097 R)
• M21: 23,288,649 km (0.054 R)
• M22: 23,818,524 km (0.041 R)
• M23: 27,504,017 km (0.079 R)
• M24: 29,394,486 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.7

Radius: 13.4

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.3 AU - 6.3 AU

Year: 6377 Days

Day: 8.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 27,160,372 km

• M1: 167,101 km (0.082 R)
• M2: 1,345,932 km (0.114 R)
• M3: 2,028,996 km (0.097 R)
• M4: 2,914,915 km (0.096 R)
• M5: 3,425,043 km (0.091 R)
• M6: 5,764,904 km (0.07 R)
• M7: 7,193,264 km (0.094 R)
• M8: 7,731,517 km (0.074 R)
• M9: 8,338,137 km (0.105 R)
• M10: 9,107,668 km (0.109 R)
• M11: 9,784,748 km (0.043 R)
• M12: 10,254,635 km (0.107 R)
• M13: 11,495,699 km (0.084 R)
• M14: 12,341,076 km (0.12 R)
• M15: 13,227,444 km (0.082 R)
• M16: 13,686,410 km (0.104 R)
• M17: 14,334,767 km (0.04 R)
• M18: 16,601,025 km (0.116 R)
• M19: 23,797,132 km (0.066 R)
• M20: 25,433,134 km (0.085 R)
• M21: 28,356,426 km (0.051 R)
• M22: 29,314,002 km (0.078 R)
• M23: 30,491,487 km (0.043 R)
• M24: 32,836,284 km (0.094 R)
• M25: 34,861,989 km (0.116 R)
• M26: 35,408,769 km (0.084 R)
• M27: 36,519,234 km (0.109 R)
• M28: 37,538,444 km (0.118 R)
• M29: 39,161,282 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.1

Radius: 12.3

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.37 AU - 7.04 AU

Year: 7918 Days

Day: 11.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,160,372 km

• M1: 153,188 km (0.082 R)
• M2: 551,567 km (0.05 R)
• M3: 1,082,041 km (0.116 R)
• M4: 1,604,587 km (0.08 R)
• M5: 2,163,634 km (0.088 R)
• M6: 3,429,681 km (0.104 R)
• M7: 3,938,912 km (0.05 R)
• M8: 5,558,758 km (0.118 R)
• M9: 6,709,016 km (0.119 R)
• M10: 9,520,857 km (0.094 R)
• M11: 12,128,647 km (0.042 R)
• M12: 13,996,078 km (0.086 R)
• M13: 15,796,937 km (0.117 R)
• M14: 18,710,954 km (0.054 R)
• M15: 19,492,004 km (0.11 R)
• M16: 26,102,734 km (0.117 R)
• M17: 29,289,917 km (0.077 R)
• M18: 30,634,502 km (0.119 R)
• M19: 33,137,275 km (0.12 R)
• M20: 34,702,816 km (0.08 R)
• M21: 35,557,619 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.5

Radius: 14.3

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.89 AU - 8.73 AU

Year: 9965 Days

Day: 12.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,160,372 km

• M1: 177,872 km (0.101 R)
• M2: 652,097 km (0.104 R)
• M3: 1,257,221 km (0.12 R)
• M4: 1,741,768 km (0.115 R)
• M5: 2,205,671 km (0.057 R)
• M6: 2,873,326 km (0.053 R)
• M7: 3,430,728 km (0.108 R)
• M8: 3,971,823 km (0.034 R)
• M9: 4,815,555 km (0.06 R)
• M10: 6,393,215 km (0.066 R)
• M11: 7,485,728 km (0.071 R)
• M12: 10,290,987 km (0.029 R)
• M13: 12,933,334 km (0.105 R)
• M14: 14,570,683 km (0.065 R)
• M15: 17,460,315 km (0.064 R)
• M16: 22,233,385 km (0.03 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 14,563 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit