🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.5

Radius: 13.4

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.5 AU - 0.76 AU

Year: 339 Days

Day: 12 Hours

Environment

Temp: -151 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,547,824 km

• M1: 166,652 km (0.115 R)
• M2: 658,530 km (0.086 R)
• M3: 1,508,545 km (0.077 R)
• M4: 2,615,719 km (0.084 R)
• M5: 3,063,016 km (0.092 R)
• M6: 4,440,214 km (0.116 R)
• M7: 4,871,505 km (0.105 R)
• M8: 5,539,011 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.2

Radius: 11.6

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.62 AU - 0.76 AU

Year: 389 Days

Day: 9.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,547,824 km

• M1: 144,362 km (0.081 R)
• M2: 520,750 km (0.098 R)
• M3: 986,748 km (0.055 R)
• M4: 1,402,630 km (0.059 R)
• M5: 1,990,549 km (0.067 R)
• M6: 2,448,768 km (0.118 R)
• M7: 2,865,697 km (0.117 R)
• M8: 3,307,908 km (0.057 R)
• M9: 4,044,528 km (0.113 R)
• M10: 4,701,562 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623

Radius: 13

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.57 AU - 0.91 AU

Year: 432 Days

Day: 8.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,547,824 km

• M1: 161,715 km (0.075 R)
• M2: 1,163,423 km (0.057 R)
• M3: 1,603,988 km (0.093 R)
• M4: 2,532,991 km (0.085 R)
• M5: 2,952,314 km (0.093 R)
• M6: 3,620,867 km (0.065 R)
• M7: 4,050,662 km (0.084 R)
• M8: 5,261,956 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.4

Radius: 13.5

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.98 AU - 1.32 AU

Year: 836 Days

Day: 9.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,547,824 km

• M1: 167,998 km (0.063 R)
• M2: 1,006,943 km (0.084 R)
• M3: 1,464,114 km (0.112 R)
• M4: 1,960,181 km (0.061 R)
• M5: 2,591,484 km (0.049 R)
• M6: 3,520,187 km (0.066 R)
• M7: 4,093,297 km (0.078 R)
• M8: 4,643,219 km (0.115 R)
• M9: 5,133,002 km (0.115 R)
• M10: 5,618,597 km (0.062 R)
• M11: 6,300,015 km (0.1 R)
• M12: 7,036,037 km (0.073 R)
• M13: 7,974,464 km (0.113 R)
• M14: 8,732,028 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.7

Radius: 8.7

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.5 AU - 1.74 AU

Year: 1399 Days

Day: 11.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,547,824 km

• M1: 109,057 km (0.112 R)
• M2: 427,850 km (0.064 R)
• M3: 860,188 km (0.102 R)
• M4: 2,550,195 km (0.094 R)
• M5: 2,852,831 km (0.064 R)
• M6: 3,515,550 km (0.116 R)
• M7: 5,247,594 km (0.109 R)
• M8: 7,301,573 km (0.111 R)
• M9: 8,917,379 km (0.048 R)
• M10: 9,872,562 km (0.075 R)
• M11: 10,826,398 km (0.053 R)
• M12: 12,538,396 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.4

Radius: 10.7

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.33 AU - 2.35 AU

Year: 2428 Days

Day: 14.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,547,824 km

• M1: 134,040 km (0.077 R)
• M2: 1,019,210 km (0.119 R)
• M3: 1,472,941 km (0.055 R)
• M4: 2,180,090 km (0.068 R)
• M5: 3,022,475 km (0.081 R)
• M6: 4,069,062 km (0.101 R)
• M7: 5,094,855 km (0.086 R)
• M8: 5,836,860 km (0.077 R)
• M9: 11,454,410 km (0.064 R)
• M10: 13,653,199 km (0.109 R)
• M11: 14,579,659 km (0.111 R)
• M12: 16,167,939 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.1

Radius: 8.4

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.02 AU - 3.16 AU

Year: 2827 Days

Day: 8.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,547,824 km

• M1: 129,253 km (0.103 R)
• M2: 448,494 km (0.076 R)
• M3: 752,328 km (0.044 R)
• M4: 1,045,689 km (0.086 R)
• M5: 1,470,996 km (0.088 R)
• M6: 1,939,985 km (0.052 R)
• M7: 3,437,310 km (0.058 R)
• M8: 3,729,176 km (0.092 R)
• M9: 5,631,163 km (0.105 R)
• M10: 6,490,752 km (0.097 R)
• M11: 7,750,067 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.1

Radius: 6.4

Gravity: 15.48 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.78 AU - 6.68 AU

Year: 10547 Days

Day: 15.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 37,547,824 km

• M1: 79,736 km (0.077 R)
• M2: 449,093 km (0.1 R)
• M3: 739,313 km (0.095 R)
• M4: 1,912,609 km (0.037 R)
• M5: 2,223,324 km (0.042 R)
• M6: 2,567,249 km (0.06 R)
• M7: 2,815,881 km (0.081 R)
• M8: 3,434,468 km (0.04 R)
• M9: 4,752,575 km (0.061 R)
• M10: 5,390,460 km (0.095 R)
• M11: 5,976,136 km (0.089 R)
• M12: 6,603,549 km (0.108 R)
• M13: 6,913,516 km (0.096 R)
• M14: 7,192,666 km (0.044 R)
• M15: 9,605,978 km (0.057 R)
• M16: 10,994,247 km (0.091 R)
• M17: 13,350,413 km (0.049 R)
• M18: 13,721,266 km (0.106 R)
• M19: 14,226,458 km (0.053 R)
• M20: 16,583,522 km (0.032 R)
• M21: 20,303,273 km (0.119 R)
• M22: 20,876,383 km (0.085 R)
• M23: 21,798,803 km (0.094 R)
• M24: 23,011,444 km (0.031 R)
• M25: 25,665,609 km (0.049 R)
• M26: 29,442,955 km (0.11 R)
• M27: 29,966,099 km (0.047 R)
• M28: 31,355,115 km (0.118 R)
• M29: 37,708,387 km (0.048 R)
• M30: 40,216,096 km (0.114 R)
• M31: 43,504,407 km (0.106 R)
• M32: 44,868,441 km (0.093 R)
• M33: 46,120,276 km (0.047 R)
• M34: 48,113,518 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.9

Radius: 7.2

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.43 AU - 10.39 AU

Year: 19578 Days

Day: 23.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,547,824 km

• M1: 89,609 km (0.095 R)
• M2: 539,450 km (0.118 R)
• M3: 894,296 km (0.089 R)
• M4: 1,423,424 km (0.073 R)
• M5: 1,709,305 km (0.097 R)
• M6: 2,096,614 km (0.079 R)
• M7: 2,671,220 km (0.054 R)
• M8: 6,389,923 km (0.102 R)
• M9: 6,703,181 km (0.046 R)
• M10: 6,953,758 km (0.103 R)
• M11: 9,190,844 km (0.051 R)
• M12: 12,288,268 km (0.067 R)
• M13: 17,593,308 km (0.098 R)
• M14: 21,662,968 km (0.105 R)
• M15: 23,093,573 km (0.048 R)
• M16: 25,703,457 km (0.113 R)
• M17: 27,762,373 km (0.052 R)
• M18: 32,002,874 km (0.07 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 14,059 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit