🌌 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: 243

Radius: 13.4

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.71 AU - 0.83 AU

Year: 436 Days

Day: 8.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,788,281 km

• M1: 166,652 km (0.055 R)
• M2: 596,746 km (0.063 R)
• M3: 1,230,293 km (0.105 R)
• M4: 1,939,387 km (0.06 R)
• M5: 2,450,862 km (0.101 R)
• M6: 2,890,680 km (0.048 R)
• M7: 3,311,349 km (0.065 R)
• M8: 3,795,747 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.1

Radius: 11.3

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.46 AU - 1.78 AU

Year: 1331 Days

Day: 10 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,788,281 km

• M1: 140,772 km (0.092 R)
• M2: 526,734 km (0.072 R)
• M3: 949,946 km (0.11 R)
• M4: 1,302,549 km (0.12 R)
• M5: 1,669,363 km (0.067 R)
• M6: 2,555,730 km (0.1 R)
• M7: 2,983,281 km (0.07 R)
• M8: 3,698,658 km (0.111 R)
• M9: 4,106,312 km (0.094 R)
• M10: 4,525,036 km (0.111 R)
• M11: 5,384,925 km (0.041 R)
• M12: 5,865,433 km (0.115 R)
• M13: 6,469,958 km (0.114 R)
• M14: 7,401,654 km (0.064 R)
• M15: 8,108,205 km (0.082 R)
• M16: 9,942,723 km (0.065 R)
• M17: 11,676,862 km (0.081 R)
• M18: 12,186,243 km (0.034 R)
• M19: 12,824,726 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.8

Radius: 14.7

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.68 AU - 2.92 AU

Year: 3025 Days

Day: 5.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,788,281 km

• M1: 182,958 km (0.097 R)
• M2: 844,480 km (0.111 R)
• M3: 1,802,355 km (0.039 R)
• M4: 2,676,904 km (0.099 R)
• M5: 3,881,915 km (0.118 R)
• M6: 4,749,583 km (0.118 R)
• M7: 5,294,119 km (0.064 R)
• M8: 8,816,850 km (0.106 R)
• M9: 9,337,002 km (0.098 R)
• M10: 12,996,465 km (0.106 R)
• M11: 15,946,834 km (0.082 R)
• M12: 19,071,933 km (0.106 R)
• M13: 19,944,687 km (0.052 R)
• M14: 21,836,801 km (0.108 R)
• M15: 22,516,275 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.6

Radius: 9.6

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.25 AU - 3.53 AU

Year: 3172 Days

Day: 6.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 141.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,788,281 km

• M1: 119,379 km (0.035 R)
• M2: 568,921 km (0.086 R)
• M3: 1,023,249 km (0.064 R)
• M4: 1,831,826 km (0.108 R)
• M5: 2,242,921 km (0.063 R)
• M6: 2,731,208 km (0.12 R)
• M7: 3,307,759 km (0.096 R)
• M8: 4,135,035 km (0.068 R)
• M9: 5,169,803 km (0.105 R)
• M10: 6,137,851 km (0.107 R)
• M11: 8,013,360 km (0.117 R)
• M12: 9,344,481 km (0.105 R)
• M13: 10,734,096 km (0.078 R)
• M14: 15,298,776 km (0.081 R)
• M15: 16,880,923 km (0.05 R)
• M16: 23,104,194 km (0.071 R)
• M17: 23,524,265 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.8

Radius: 4.9

Gravity: 30.23 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.87 AU - 6.35 AU

Year: 9752 Days

Day: 17.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,788,281 km

• M1: 292,613 km (0.11 R)
• M2: 468,391 km (0.092 R)
• M3: 637,287 km (0.066 R)
• M4: 954,135 km (0.101 R)
• M5: 2,281,517 km (0.058 R)
• M6: 4,434,230 km (0.035 R)
• M7: 6,205,170 km (0.098 R)
• M8: 7,287,211 km (0.088 R)
• M9: 8,855,596 km (0.086 R)
• M10: 10,170,411 km (0.102 R)
• M11: 11,333,684 km (0.038 R)
• M12: 12,233,665 km (0.1 R)
• M13: 14,366,482 km (0.053 R)
• M14: 15,827,006 km (0.07 R)
• M15: 16,949,439 km (0.105 R)
• M16: 19,587,747 km (0.036 R)
• M17: 20,633,586 km (0.12 R)
• M18: 23,813,288 km (0.096 R)
• M19: 27,107,733 km (0.088 R)
• M20: 31,446,819 km (0.03 R)
• M21: 34,122,975 km (0.078 R)
• M22: 39,039,060 km (0.085 R)
• M23: 45,647,397 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.6

Radius: 5.4

Gravity: 22.04 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.71 AU - 7.27 AU

Year: 11932 Days

Day: 18.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,788,281 km

• M1: 67,319 km (0.101 R)
• M2: 255,962 km (0.085 R)
• M3: 452,085 km (0.111 R)
• M4: 768,933 km (0.045 R)
• M5: 2,737,641 km (0.08 R)
• M6: 4,001,145 km (0.116 R)
• M7: 5,232,335 km (0.119 R)
• M8: 6,156,551 km (0.081 R)
• M9: 7,916,121 km (0.109 R)
• M10: 8,743,248 km (0.114 R)
• M11: 9,985,658 km (0.079 R)
• M12: 10,622,047 km (0.11 R)
• M13: 18,777,674 km (0.049 R)
• M14: 20,660,962 km (0.088 R)
• M15: 21,258,306 km (0.047 R)
• M16: 27,263,314 km (0.09 R)
• M17: 29,670,942 km (0.113 R)
• M18: 30,430,900 km (0.107 R)
• M19: 35,386,180 km (0.065 R)
• M20: 38,245,144 km (0.059 R)
• M21: 39,534,828 km (0.083 R)
• M22: 48,632,173 km (0.107 R)
• M23: 52,630,326 km (0.045 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: 259 - 16,606 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit