🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.2

Radius: 12

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.64 AU - 0.68 AU

Year: 377 Days

Day: 10.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 160 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,902,005 km

• M1: 156,479 km (0.104 R)
• M2: 534,812 km (0.099 R)
• M3: 1,061,546 km (0.077 R)
• M4: 1,515,726 km (0.105 R)
• M5: 2,009,249 km (0.055 R)
• M6: 2,521,921 km (0.107 R)
• M7: 3,245,227 km (0.109 R)
• M8: 4,363,321 km (0.099 R)
• M9: 5,042,346 km (0.115 R)
• M10: 5,605,133 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.6

Radius: 10.4

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.18 AU - 2.24 AU

Year: 2309 Days

Day: 14 Hours

Environment

Temp: -194 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,902,005 km

• M1: 169,046 km (0.118 R)
• M2: 709,991 km (0.082 R)
• M3: 1,127,519 km (0.074 R)
• M4: 2,573,383 km (0.111 R)
• M5: 3,661,857 km (0.051 R)
• M6: 4,613,299 km (0.067 R)
• M7: 6,652,169 km (0.119 R)
• M8: 7,959,654 km (0.112 R)
• M9: 9,488,843 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.9

Radius: 9.6

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.3 AU - 3.18 AU

Year: 3188 Days

Day: 8.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,902,005 km

• M1: 125,812 km (0.102 R)
• M2: 563,535 km (0.072 R)
• M3: 879,187 km (0.069 R)
• M4: 1,199,177 km (0.055 R)
• M5: 2,299,020 km (0.114 R)
• M6: 2,846,249 km (0.076 R)
• M7: 3,291,153 km (0.045 R)
• M8: 3,672,777 km (0.039 R)
• M9: 6,019,070 km (0.099 R)
• M10: 6,405,930 km (0.115 R)
• M11: 7,938,261 km (0.11 R)
• M12: 12,898,328 km (0.112 R)
• M13: 15,944,590 km (0.077 R)
• M14: 16,737,309 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.8

Radius: 14.5

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.49 AU - 3.41 AU

Year: 3562 Days

Day: 6.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,902,005 km

• M1: 182,061 km (0.041 R)
• M2: 734,675 km (0.047 R)
• M3: 1,209,200 km (0.111 R)
• M4: 1,740,870 km (0.03 R)
• M5: 2,505,465 km (0.075 R)
• M6: 4,686,004 km (0.045 R)
• M7: 5,252,680 km (0.113 R)
• M8: 8,624,766 km (0.115 R)
• M9: 9,479,867 km (0.052 R)
• M10: 10,268,697 km (0.098 R)
• M11: 11,577,379 km (0.11 R)
• M12: 13,233,876 km (0.062 R)
• M13: 14,018,816 km (0.083 R)
• M14: 14,886,783 km (0.101 R)
• M15: 16,393,982 km (0.059 R)
• M16: 17,013,167 km (0.113 R)
• M17: 17,706,404 km (0.118 R)
• M18: 20,799,938 km (0.05 R)
• M19: 21,392,795 km (0.036 R)
• M20: 22,064,788 km (0.096 R)
• M21: 22,612,466 km (0.076 R)
• M22: 23,521,722 km (0.101 R)
• M23: 24,093,335 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.2

Radius: 3.5

Gravity: 30.63 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.92 AU - 8.62 AU

Year: 15224 Days

Day: 19.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,902,005 km

• M1: 50,414 km (0.082 R)
• M2: 229,334 km (0.112 R)
• M3: 340,934 km (0.111 R)
• M4: 618,587 km (0.116 R)
• M5: 1,374,804 km (0.093 R)
• M6: 1,664,426 km (0.086 R)
• M7: 4,960,665 km (0.104 R)
• M8: 5,257,617 km (0.1 R)
• M9: 5,850,623 km (0.106 R)
• M10: 7,984,637 km (0.108 R)
• M11: 9,150,752 km (0.036 R)
• M12: 13,072,460 km (0.084 R)
• M13: 13,196,776 km (0.1 R)
• M14: 14,023,903 km (0.119 R)
• M15: 18,447,811 km (0.077 R)
• M16: 22,008,988 km (0.054 R)
• M17: 24,370,241 km (0.12 R)
• M18: 29,802,888 km (0.082 R)
• M19: 30,670,555 km (0.115 R)
• M20: 31,110,822 km (0.097 R)
• M21: 31,666,877 km (0.095 R)
• M22: 35,989,508 km (0.113 R)
• M23: 41,487,678 km (0.11 R)
• M24: 46,068,066 km (0.108 R)
• M25: 47,961,227 km (0.038 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 17,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit