🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.25 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.09 AU - 2.91 AU

Year: 1474 Days

Day: 34.2 Hours

Environment

Temp: -99 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,789,251 km

• M1: 21,243 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.24 AU - 2.92 AU

Year: 1545 Days

Day: 13.7 Hours

Environment

Temp: -91 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,789,251 km

• M1: 1,371,962 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984

Radius: 12.1

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.55 AU - 8.23 AU

Year: 7489 Days

Day: 11.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,789,251 km

• M1: 151,543 km (0.081 R)
• M2: 574,007 km (0.066 R)
• M3: 1,115,851 km (0.112 R)
• M4: 2,189,963 km (0.06 R)
• M5: 2,931,819 km (0.114 R)
• M6: 3,420,256 km (0.113 R)
• M7: 3,860,074 km (0.104 R)
• M8: 5,476,778 km (0.082 R)
• M9: 6,116,608 km (0.063 R)
• M10: 8,296,100 km (0.064 R)
• M11: 9,326,230 km (0.091 R)
• M12: 14,065,790 km (0.11 R)
• M13: 15,792,598 km (0.062 R)
• M14: 19,129,229 km (0.105 R)
• M15: 19,509,806 km (0.116 R)
• M16: 21,002,344 km (0.11 R)
• M17: 24,213,762 km (0.091 R)
• M18: 25,383,617 km (0.118 R)
• M19: 27,739,036 km (0.062 R)
• M20: 29,119,824 km (0.032 R)
• M21: 33,757,956 km (0.085 R)
• M22: 36,835,633 km (0.117 R)
• M23: 41,987,335 km (0.11 R)
• M24: 43,806,146 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.9

Radius: 14

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.01 AU - 9.97 AU

Year: 9222 Days

Day: 9.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,789,251 km

• M1: 174,282 km (0.074 R)
• M2: 1,237,623 km (0.09 R)
• M3: 2,852,682 km (0.085 R)
• M4: 3,524,975 km (0.096 R)
• M5: 5,374,304 km (0.117 R)
• M6: 8,467,389 km (0.031 R)
• M7: 9,124,124 km (0.042 R)
• M8: 9,956,785 km (0.092 R)
• M9: 14,714,746 km (0.104 R)
• M10: 15,991,414 km (0.066 R)
• M11: 35,830,934 km (0.111 R)
• M12: 36,512,203 km (0.117 R)
• M13: 39,084,688 km (0.054 R)
• M14: 40,906,341 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.9

Radius: 12.6

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.65 AU - 8.91 AU

Year: 9698 Days

Day: 7.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,789,251 km

• M1: 156,779 km (0.109 R)
• M2: 617,241 km (0.116 R)
• M3: 1,094,458 km (0.06 R)
• M4: 1,769,444 km (0.107 R)
• M5: 3,467,978 km (0.076 R)
• M6: 3,886,852 km (0.08 R)
• M7: 4,748,386 km (0.074 R)
• M8: 5,182,818 km (0.071 R)
• M9: 6,100,900 km (0.12 R)
• M10: 6,615,667 km (0.089 R)
• M11: 7,586,557 km (0.097 R)
• M12: 8,030,713 km (0.117 R)
• M13: 8,453,028 km (0.091 R)
• M14: 10,428,318 km (0.114 R)
• M15: 10,931,864 km (0.059 R)
• M16: 12,901,470 km (0.046 R)
• M17: 14,191,153 km (0.106 R)
• M18: 16,776,204 km (0.098 R)
• M19: 17,789,580 km (0.081 R)
• M20: 22,104,881 km (0.117 R)
• M21: 26,901,587 km (0.092 R)
• M22: 28,465,932 km (0.093 R)
• M23: 30,090,116 km (0.061 R)
• M24: 30,738,024 km (0.039 R)
• M25: 31,300,961 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766

Radius: 5.7

Gravity: 23.58 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 11.97 AU - 12.81 AU

Year: 16258 Days

Day: 15.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,789,251 km

• M1: 70,909 km (0.118 R)
• M2: 316,998 km (0.037 R)
• M3: 564,882 km (0.115 R)
• M4: 929,003 km (0.102 R)
• M5: 1,563,298 km (0.083 R)
• M6: 1,889,421 km (0.034 R)
• M7: 2,157,949 km (0.091 R)
• M8: 2,892,774 km (0.079 R)
• M9: 4,535,209 km (0.091 R)
• M10: 4,841,735 km (0.086 R)
• M11: 5,496,375 km (0.119 R)
• M12: 6,935,656 km (0.051 R)
• M13: 7,251,009 km (0.049 R)
• M14: 7,575,935 km (0.113 R)
• M15: 8,254,960 km (0.092 R)
• M16: 8,920,970 km (0.093 R)
• M17: 9,132,950 km (0.052 R)
• M18: 10,652,864 km (0.091 R)
• M19: 16,211,772 km (0.091 R)
• M20: 17,916,589 km (0.076 R)
• M21: 19,117,411 km (0.053 R)
• M22: 21,869,414 km (0.085 R)
• M23: 22,158,287 km (0.101 R)
• M24: 25,934,287 km (0.114 R)
• M25: 32,431,173 km (0.073 R)
• M26: 36,186,379 km (0.094 R)
• M27: 36,455,505 km (0.066 R)
• M28: 42,871,159 km (0.104 R)
• M29: 48,515,188 km (0.102 R)
• M30: 50,837,545 km (0.053 R)
• M31: 52,540,867 km (0.112 R)
• M32: 53,930,780 km (0.072 R)
• M33: 54,634,788 km (0.102 R)
• M34: 57,147,284 km (0.119 R)
• M35: 62,401,161 km (0.106 R)
• M36: 63,763,100 km (0.094 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 16,095 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit