🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.3

Radius: 9.6

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.52 AU - 0.52 AU

Year: 254 Days

Day: 9.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,988,782 km

• M1: 119,379 km (0.102 R)
• M2: 497,114 km (0.102 R)
• M3: 845,826 km (0.06 R)
• M4: 1,269,488 km (0.076 R)
• M5: 1,695,841 km (0.105 R)
• M6: 2,041,861 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.7

Radius: 9.5

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.56 AU - 0.86 AU

Year: 406 Days

Day: 7.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,988,782 km

• M1: 118,482 km (0.112 R)
• M2: 463,903 km (0.066 R)
• M3: 851,212 km (0.079 R)
• M4: 1,180,776 km (0.106 R)
• M5: 1,520,962 km (0.077 R)
• M6: 1,910,963 km (0.047 R)
• M7: 2,461,184 km (0.077 R)
• M8: 2,884,397 km (0.117 R)
• M9: 3,262,131 km (0.084 R)
• M10: 3,825,816 km (0.1 R)
• M11: 4,145,058 km (0.076 R)
• M12: 4,627,810 km (0.113 R)
• M13: 5,389,114 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504

Radius: 11.1

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.67 AU - 1.01 AU

Year: 522 Days

Day: 7.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,988,782 km

• M1: 138,079 km (0.071 R)
• M2: 493,823 km (0.099 R)
• M3: 907,909 km (0.112 R)
• M4: 1,296,565 km (0.114 R)
• M5: 1,906,774 km (0.07 R)
• M6: 2,640,103 km (0.098 R)
• M7: 3,312,396 km (0.074 R)
• M8: 3,714,814 km (0.093 R)
• M9: 4,905,015 km (0.084 R)
• M10: 5,496,226 km (0.073 R)
• M11: 5,957,137 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478

Radius: 12.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.55 AU - 4.01 AU

Year: 4029 Days

Day: 6.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,988,782 km

• M1: 163,211 km (0.095 R)
• M2: 584,180 km (0.036 R)
• M3: 1,327,083 km (0.089 R)
• M4: 1,759,421 km (0.091 R)
• M5: 2,431,713 km (0.059 R)
• M6: 4,866,718 km (0.034 R)
• M7: 6,842,457 km (0.107 R)
• M8: 8,473,672 km (0.09 R)
• M9: 9,645,772 km (0.114 R)
• M10: 12,175,322 km (0.119 R)
• M11: 13,569,275 km (0.102 R)
• M12: 14,505,608 km (0.106 R)
• M13: 16,894,836 km (0.057 R)
• M14: 18,567,190 km (0.083 R)
• M15: 18,986,812 km (0.061 R)
• M16: 22,440,728 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.2

Radius: 9.2

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.07 AU - 4.65 AU

Year: 5144 Days

Day: 8.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,988,782 km

• M1: 114,592 km (0.081 R)
• M2: 403,017 km (0.041 R)
• M3: 1,156,990 km (0.077 R)
• M4: 1,864,588 km (0.096 R)
• M5: 2,225,717 km (0.032 R)
• M6: 2,615,270 km (0.028 R)
• M7: 3,050,151 km (0.11 R)
• M8: 3,337,977 km (0.077 R)
• M9: 4,041,237 km (0.117 R)
• M10: 5,262,404 km (0.078 R)
• M11: 6,443,779 km (0.062 R)
• M12: 6,885,990 km (0.116 R)
• M13: 8,374,938 km (0.046 R)
• M14: 8,860,682 km (0.116 R)
• M15: 9,580,996 km (0.107 R)
• M16: 9,888,569 km (0.069 R)
• M17: 14,979,833 km (0.118 R)
• M18: 15,575,083 km (0.075 R)
• M19: 16,062,623 km (0.118 R)
• M20: 16,940,313 km (0.063 R)
• M21: 18,722,922 km (0.098 R)
• M22: 19,836,378 km (0.112 R)
• M23: 21,513,371 km (0.108 R)
• M24: 27,109,378 km (0.052 R)
• M25: 28,623,608 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.1

Radius: 5.6

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.37 AU - 7.41 AU

Year: 10956 Days

Day: 16.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,988,782 km

• M1: 69,713 km (0.119 R)
• M2: 325,675 km (0.062 R)
• M3: 947,403 km (0.103 R)
• M4: 2,318,917 km (0.057 R)
• M5: 2,607,341 km (0.105 R)
• M6: 2,839,068 km (0.114 R)
• M7: 3,021,877 km (0.085 R)
• M8: 3,234,156 km (0.059 R)
• M9: 4,924,164 km (0.07 R)
• M10: 5,279,309 km (0.094 R)
• M11: 6,040,612 km (0.055 R)
• M12: 7,166,187 km (0.115 R)
• M13: 8,592,154 km (0.103 R)
• M14: 8,847,068 km (0.119 R)
• M15: 10,921,692 km (0.076 R)
• M16: 11,423,293 km (0.05 R)
• M17: 12,045,321 km (0.079 R)
• M18: 13,930,105 km (0.105 R)
• M19: 14,881,547 km (0.094 R)
• M20: 15,064,655 km (0.073 R)
• M21: 16,066,811 km (0.105 R)
• M22: 23,111,076 km (0.09 R)
• M23: 24,188,330 km (0.056 R)
• M24: 27,163,533 km (0.102 R)
• M25: 34,463,759 km (0.051 R)
• M26: 34,677,385 km (0.08 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: 335 - 19,873 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit