🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253

Radius: 13.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.62 AU - 0.92 AU

Year: 451 Days

Day: 14.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,706,419 km

• M1: 171,589 km (0.095 R)
• M2: 639,980 km (0.085 R)
• M3: 1,212,640 km (0.069 R)
• M4: 1,943,426 km (0.095 R)
• M5: 2,907,135 km (0.118 R)
• M6: 3,376,125 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.6

Radius: 8.7

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.59 AU - 2.09 AU

Year: 1664 Days

Day: 5.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,706,419 km

• M1: 108,758 km (0.079 R)
• M2: 770,579 km (0.077 R)
• M3: 1,134,999 km (0.089 R)
• M4: 1,471,445 km (0.095 R)
• M5: 2,186,672 km (0.028 R)
• M6: 3,264,076 km (0.11 R)
• M7: 3,541,879 km (0.117 R)
• M8: 4,092,699 km (0.072 R)
• M9: 4,416,728 km (0.057 R)
• M10: 6,023,409 km (0.099 R)
• M11: 7,033,942 km (0.045 R)
• M12: 7,447,431 km (0.088 R)
• M13: 7,768,019 km (0.109 R)
• M14: 9,053,214 km (0.066 R)
• M15: 9,449,649 km (0.116 R)
• M16: 10,081,999 km (0.098 R)
• M17: 10,675,005 km (0.063 R)
• M18: 12,407,348 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.5

Radius: 8.3

Gravity: 13.91 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.87 AU - 2.71 AU

Year: 2311 Days

Day: 14.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,706,419 km

• M1: 103,372 km (0.119 R)
• M2: 413,339 km (0.1 R)
• M3: 673,190 km (0.074 R)
• M4: 971,788 km (0.062 R)
• M5: 1,379,143 km (0.117 R)
• M6: 2,269,549 km (0.094 R)
• M7: 2,644,292 km (0.12 R)
• M8: 2,993,154 km (0.049 R)
• M9: 3,426,838 km (0.093 R)
• M10: 4,551,216 km (0.103 R)
• M11: 4,890,354 km (0.055 R)
• M12: 6,036,872 km (0.076 R)
• M13: 6,391,120 km (0.111 R)
• M14: 6,673,112 km (0.1 R)
• M15: 7,445,187 km (0.106 R)
• M16: 8,209,632 km (0.09 R)
• M17: 10,425,924 km (0.103 R)
• M18: 11,505,423 km (0.091 R)
• M19: 13,330,068 km (0.1 R)
• M20: 14,168,115 km (0.117 R)
• M21: 15,040,869 km (0.115 R)
• M22: 16,000,390 km (0.107 R)
• M23: 17,108,012 km (0.108 R)
• M24: 18,265,750 km (0.051 R)
• M25: 19,008,205 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.5

Radius: 9.1

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.85 AU - 2.85 AU

Year: 2402 Days

Day: 7.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,706,419 km

• M1: 113,096 km (0.101 R)
• M2: 773,870 km (0.067 R)
• M3: 1,344,885 km (0.067 R)
• M4: 2,101,401 km (0.078 R)
• M5: 2,928,678 km (0.087 R)
• M6: 3,753,411 km (0.03 R)
• M7: 5,492,635 km (0.079 R)
• M8: 7,244,576 km (0.03 R)
• M9: 10,037,718 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.9

Radius: 10.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.89 AU - 3.31 AU

Year: 3640 Days

Day: 9.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,706,419 km

• M1: 131,945 km (0.106 R)
• M2: 905,516 km (0.099 R)
• M3: 1,278,912 km (0.09 R)
• M4: 1,645,277 km (0.072 R)
• M5: 2,173,358 km (0.03 R)
• M6: 2,536,581 km (0.092 R)
• M7: 3,938,613 km (0.091 R)
• M8: 5,270,183 km (0.078 R)
• M9: 5,619,943 km (0.05 R)
• M10: 6,092,523 km (0.116 R)
• M11: 6,792,940 km (0.073 R)
• M12: 7,147,637 km (0.083 R)
• M13: 8,089,206 km (0.063 R)
• M14: 8,970,487 km (0.058 R)
• M15: 10,410,516 km (0.04 R)
• M16: 12,828,915 km (0.109 R)
• M17: 14,798,670 km (0.095 R)
• M18: 16,218,952 km (0.097 R)
• M19: 18,402,782 km (0.09 R)
• M20: 19,036,179 km (0.075 R)
• M21: 20,407,394 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.6

Radius: 8.8

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.16 AU - 6.1 AU

Year: 7748 Days

Day: 9.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,706,419 km

• M1: 109,506 km (0.083 R)
• M2: 838,795 km (0.089 R)
• M3: 1,584,391 km (0.083 R)
• M4: 2,179,342 km (0.101 R)
• M5: 2,770,702 km (0.039 R)
• M6: 3,221,740 km (0.118 R)
• M7: 3,677,415 km (0.088 R)
• M8: 4,012,514 km (0.083 R)
• M9: 4,295,104 km (0.04 R)
• M10: 5,677,538 km (0.11 R)
• M11: 6,281,166 km (0.059 R)
• M12: 7,795,545 km (0.063 R)
• M13: 8,200,058 km (0.103 R)
• M14: 9,959,628 km (0.087 R)
• M15: 11,957,507 km (0.108 R)
• M16: 12,249,373 km (0.062 R)
• M17: 16,428,240 km (0.11 R)
• M18: 17,840,294 km (0.064 R)
• M19: 22,412,903 km (0.05 R)
• M20: 24,302,024 km (0.031 R)
• M21: 25,405,159 km (0.09 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 557 - 12,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit