🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.9

Radius: 9.7

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.68 AU - 1.02 AU

Year: 532 Days

Day: 6.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,261,131 km

• M1: 120,576 km (0.081 R)
• M2: 448,345 km (0.114 R)
• M3: 836,252 km (0.025 R)
• M4: 1,298,061 km (0.11 R)
• M5: 1,682,228 km (0.104 R)
• M6: 2,100,504 km (0.036 R)
• M7: 3,487,725 km (0.098 R)
• M8: 3,851,248 km (0.108 R)
• M9: 4,173,332 km (0.09 R)
• M10: 4,527,580 km (0.115 R)
• M11: 4,842,932 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.6

Radius: 11.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.88 AU - 0.88 AU

Year: 560 Days

Day: 7.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,261,131 km

• M1: 143,016 km (0.058 R)
• M2: 675,584 km (0.079 R)
• M3: 1,093,860 km (0.045 R)
• M4: 1,457,532 km (0.101 R)
• M5: 1,887,925 km (0.115 R)
• M6: 3,101,014 km (0.082 R)
• M7: 3,902,709 km (0.072 R)
• M8: 4,331,457 km (0.117 R)
• M9: 4,899,779 km (0.079 R)
• M10: 5,775,226 km (0.03 R)
• M11: 6,149,819 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.2

Radius: 14

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.95 AU - 2.95 AU

Year: 3437 Days

Day: 5.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,261,131 km

• M1: 174,132 km (0.113 R)
• M2: 951,293 km (0.048 R)
• M3: 1,564,794 km (0.079 R)
• M4: 2,722,382 km (0.119 R)
• M5: 3,717,208 km (0.077 R)
• M6: 4,696,924 km (0.083 R)
• M7: 5,512,831 km (0.075 R)
• M8: 6,214,445 km (0.086 R)
• M9: 7,361,562 km (0.082 R)
• M10: 8,143,210 km (0.058 R)
• M11: 8,719,013 km (0.092 R)
• M12: 11,654,721 km (0.082 R)
• M13: 12,622,470 km (0.073 R)
• M14: 13,199,170 km (0.1 R)
• M15: 15,249,558 km (0.073 R)
• M16: 17,920,927 km (0.106 R)
• M17: 20,957,166 km (0.093 R)
• M18: 23,955,107 km (0.114 R)
• M19: 24,468,826 km (0.115 R)
• M20: 24,990,025 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.8

Radius: 5.1

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.84 AU - 10.06 AU

Year: 18160 Days

Day: 20.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 60,261,131 km

• M1: 63,429 km (0.083 R)
• M2: 679,773 km (0.036 R)
• M3: 1,025,493 km (0.114 R)
• M4: 1,225,955 km (0.099 R)
• M5: 1,819,858 km (0.033 R)
• M6: 2,759,931 km (0.098 R)
• M7: 3,151,130 km (0.059 R)
• M8: 3,500,441 km (0.107 R)
• M9: 4,246,336 km (0.118 R)
• M10: 4,799,399 km (0.116 R)
• M11: 5,193,739 km (0.116 R)
• M12: 6,122,293 km (0.08 R)
• M13: 7,325,509 km (0.057 R)
• M14: 8,302,532 km (0.091 R)
• M15: 8,489,081 km (0.115 R)
• M16: 10,403,485 km (0.051 R)
• M17: 12,710,733 km (0.098 R)
• M18: 13,592,762 km (0.059 R)
• M19: 14,649,970 km (0.076 R)
• M20: 14,854,171 km (0.097 R)
• M21: 15,619,065 km (0.117 R)
• M22: 16,852,350 km (0.092 R)
• M23: 17,454,481 km (0.063 R)
• M24: 19,347,343 km (0.091 R)
• M25: 23,349,535 km (0.115 R)
• M26: 23,909,031 km (0.09 R)
• M27: 24,765,180 km (0.074 R)
• M28: 31,225,414 km (0.048 R)
• M29: 34,119,834 km (0.101 R)
• M30: 34,840,147 km (0.095 R)
• M31: 40,301,816 km (0.081 R)
• M32: 40,837,077 km (0.091 R)
• M33: 41,106,503 km (0.05 R)
• M34: 41,921,961 km (0.067 R)
• M35: 44,007,505 km (0.098 R)
• M36: 44,860,811 km (0.081 R)
• M37: 45,725,038 km (0.052 R)
• M38: 46,161,265 km (0.09 R)
• M39: 52,563,605 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.1

Radius: 5.7

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.69 AU - 10.13 AU

Year: 19578 Days

Day: 21.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,261,131 km

• M1: 70,909 km (0.064 R)
• M2: 258,206 km (0.103 R)
• M3: 439,818 km (0.099 R)
• M4: 892,650 km (0.085 R)
• M5: 1,493,735 km (0.065 R)
• M6: 2,696,053 km (0.114 R)
• M7: 4,280,294 km (0.102 R)
• M8: 5,059,550 km (0.042 R)
• M9: 6,083,697 km (0.085 R)
• M10: 6,320,061 km (0.091 R)
• M11: 6,937,601 km (0.059 R)
• M12: 8,196,916 km (0.12 R)
• M13: 9,814,368 km (0.073 R)
• M14: 11,754,054 km (0.118 R)
• M15: 12,307,417 km (0.066 R)
• M16: 15,121,203 km (0.109 R)
• M17: 15,337,372 km (0.095 R)
• M18: 17,375,344 km (0.08 R)
• M19: 17,771,629 km (0.095 R)
• M20: 18,255,129 km (0.06 R)
• M21: 19,417,205 km (0.118 R)
• M22: 21,251,574 km (0.061 R)
• M23: 28,965,140 km (0.042 R)
• M24: 33,015,652 km (0.071 R)
• M25: 34,986,903 km (0.119 R)
• M26: 38,221,807 km (0.066 R)
• M27: 40,670,724 km (0.028 R)
• M28: 44,389,877 km (0.119 R)
• M29: 48,018,373 km (0.055 R)
• M30: 49,270,358 km (0.097 R)
• M31: 49,586,757 km (0.074 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: 303 - 11,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit