🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.2

Radius: 12.4

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.63 AU - 0.81 AU

Year: 394 Days

Day: 7.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,188,332 km

• M1: 154,385 km (0.103 R)
• M2: 613,650 km (0.057 R)
• M3: 1,100,592 km (0.112 R)
• M4: 1,500,317 km (0.03 R)
• M5: 1,943,127 km (0.109 R)
• M6: 2,473,750 km (0.073 R)
• M7: 3,852,594 km (0.061 R)

Asteroid Belt

Center: 0.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.7

Radius: 12.6

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.02 AU - 1.48 AU

Year: 902 Days

Day: 13.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,188,332 km

• M1: 156,779 km (0.12 R)
• M2: 762,800 km (0.059 R)
• M3: 1,345,034 km (0.11 R)
• M4: 1,866,233 km (0.094 R)
• M5: 2,416,006 km (0.055 R)
• M6: 3,678,612 km (0.099 R)
• M7: 4,126,059 km (0.095 R)
• M8: 5,406,916 km (0.1 R)
• M9: 6,184,526 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.8

Radius: 13.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.39 AU - 1.85 AU

Year: 1331 Days

Day: 10.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,188,332 km

• M1: 189,541 km (0.1 R)
• M2: 633,697 km (0.079 R)
• M3: 1,132,306 km (0.091 R)
• M4: 1,562,101 km (0.095 R)
• M5: 2,211,505 km (0.059 R)
• M6: 2,968,770 km (0.114 R)
• M7: 4,605,071 km (0.093 R)
• M8: 5,199,424 km (0.09 R)
• M9: 6,019,669 km (0.104 R)
• M10: 7,245,922 km (0.099 R)
• M11: 8,325,271 km (0.094 R)
• M12: 10,000,468 km (0.097 R)
• M13: 11,785,769 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.9

Radius: 11.2

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.61 AU - 2.43 AU

Year: 1854 Days

Day: 7.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,188,332 km

• M1: 141,220 km (0.08 R)
• M2: 569,369 km (0.111 R)
• M3: 942,766 km (0.091 R)
• M4: 1,376,600 km (0.098 R)
• M5: 1,953,449 km (0.103 R)
• M6: 2,649,677 km (0.116 R)
• M7: 3,063,016 km (0.101 R)
• M8: 3,843,169 km (0.082 R)
• M9: 6,295,677 km (0.089 R)
• M10: 7,404,646 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.1

Radius: 5.3

Gravity: 24.57 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.8 AU - 7.72 AU

Year: 12630 Days

Day: 15.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,188,332 km

• M1: 65,973 km (0.117 R)
• M2: 243,994 km (0.107 R)
• M3: 409,599 km (0.091 R)
• M4: 911,051 km (0.067 R)
• M5: 1,391,709 km (0.115 R)
• M6: 1,835,566 km (0.063 R)
• M7: 2,081,206 km (0.066 R)
• M8: 2,309,193 km (0.096 R)
• M9: 2,999,737 km (0.086 R)
• M10: 3,316,435 km (0.119 R)
• M11: 3,763,882 km (0.079 R)
• M12: 4,370,951 km (0.083 R)
• M13: 4,555,854 km (0.05 R)
• M14: 4,778,156 km (0.092 R)
• M15: 5,668,114 km (0.115 R)
• M16: 6,229,255 km (0.081 R)
• M17: 6,909,028 km (0.063 R)
• M18: 7,548,858 km (0.118 R)
• M19: 9,653,102 km (0.096 R)
• M20: 10,506,408 km (0.068 R)
• M21: 11,121,405 km (0.112 R)
• M22: 14,357,356 km (0.048 R)
• M23: 15,609,640 km (0.057 R)
• M24: 16,335,788 km (0.094 R)
• M25: 17,699,373 km (0.119 R)
• M26: 18,649,469 km (0.1 R)
• M27: 20,910,641 km (0.103 R)
• M28: 22,515,676 km (0.026 R)
• M29: 23,348,338 km (0.058 R)
• M30: 30,873,859 km (0.117 R)
• M31: 36,361,857 km (0.088 R)
• M32: 41,496,056 km (0.098 R)
• M33: 53,010,005 km (0.113 R)
• M34: 53,660,307 km (0.071 R)
• M35: 55,309,175 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948

Radius: 4.3

Gravity: 51.27 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.3 AU - 8.4 AU

Year: 12866 Days

Day: 23 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,188,332 km

• M1: 53,556 km (0.099 R)
• M2: 249,978 km (0.06 R)
• M3: 427,850 km (0.069 R)
• M4: 613,501 km (0.052 R)
• M5: 772,673 km (0.05 R)
• M6: 1,125,126 km (0.097 R)
• M7: 2,102,897 km (0.072 R)
• M8: 2,974,604 km (0.086 R)
• M9: 3,490,567 km (0.074 R)
• M10: 3,885,655 km (0.088 R)
• M11: 4,764,543 km (0.117 R)
• M12: 6,319,762 km (0.103 R)
• M13: 6,525,010 km (0.057 R)
• M14: 7,345,704 km (0.074 R)
• M15: 8,930,694 km (0.055 R)
• M16: 9,613,309 km (0.118 R)
• M17: 10,730,356 km (0.108 R)
• M18: 12,244,885 km (0.05 R)
• M19: 14,739,130 km (0.096 R)
• M20: 16,372,290 km (0.086 R)
• M21: 16,916,228 km (0.092 R)
• M22: 21,156,580 km (0.064 R)
• M23: 29,101,872 km (0.11 R)
• M24: 35,375,857 km (0.119 R)
• M25: 39,376,104 km (0.117 R)
• M26: 40,773,797 km (0.035 R)
• M27: 50,021,788 km (0.086 R)
• M28: 50,509,477 km (0.119 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 17,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit