🌌 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: 840.1

Radius: 13.6

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.44 AU - 0.6 AU

Year: 259 Days

Day: 13.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,790,333 km

• M1: 169,195 km (0.111 R)
• M2: 600,785 km (0.106 R)
• M3: 1,092,962 km (0.058 R)
• M4: 1,545,645 km (0.072 R)
• M5: 2,259,077 km (0.078 R)
• M6: 2,785,064 km (0.117 R)
• M7: 3,435,515 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.6

Radius: 8.5

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.61 AU - 0.63 AU

Year: 337 Days

Day: 11.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,790,333 km

• M1: 105,766 km (0.086 R)
• M2: 390,600 km (0.109 R)
• M3: 685,308 km (0.076 R)
• M4: 1,105,379 km (0.117 R)
• M5: 1,401,433 km (0.031 R)
• M6: 1,750,893 km (0.034 R)
• M7: 2,237,236 km (0.096 R)
• M8: 2,504,119 km (0.118 R)
• M9: 2,820,518 km (0.025 R)
• M10: 4,126,508 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.1

Radius: 13.7

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.79 AU - 1.25 AU

Year: 711 Days

Day: 10.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,790,333 km

• M1: 170,392 km (0.102 R)
• M2: 819,198 km (0.105 R)
• M3: 1,323,193 km (0.118 R)
• M4: 1,754,933 km (0.103 R)
• M5: 2,457,743 km (0.042 R)
• M6: 3,039,978 km (0.056 R)
• M7: 3,701,650 km (0.097 R)
• M8: 4,282,837 km (0.116 R)
• M9: 5,162,323 km (0.076 R)

Asteroid Belt

Center: 1.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800

Radius: 10.6

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.88 AU - 3 AU

Year: 2631 Days

Day: 8.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 142.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,790,333 km

• M1: 131,796 km (0.107 R)
• M2: 1,226,553 km (0.11 R)
• M3: 1,701,526 km (0.085 R)
• M4: 2,338,813 km (0.071 R)
• M5: 2,847,446 km (0.05 R)
• M6: 3,302,971 km (0.034 R)
• M7: 3,652,282 km (0.12 R)
• M8: 4,026,427 km (0.064 R)
• M9: 4,491,676 km (0.113 R)
• M10: 4,922,069 km (0.1 R)
• M11: 5,355,005 km (0.099 R)
• M12: 6,106,286 km (0.051 R)
• M13: 6,521,719 km (0.051 R)
• M14: 7,225,577 km (0.071 R)
• M15: 8,510,623 km (0.083 R)
• M16: 8,854,399 km (0.112 R)
• M17: 11,821,822 km (0.1 R)
• M18: 13,139,181 km (0.104 R)
• M19: 17,073,007 km (0.116 R)
• M20: 17,843,884 km (0.077 R)
• M21: 19,573,535 km (0.074 R)
• M22: 20,417,716 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.6

Radius: 8.7

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.48 AU - 5.62 AU

Year: 6699 Days

Day: 13.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,790,333 km

• M1: 108,608 km (0.104 R)
• M2: 385,514 km (0.106 R)
• M3: 1,026,690 km (0.049 R)
• M4: 1,558,810 km (0.092 R)
• M5: 1,902,137 km (0.106 R)
• M6: 2,438,595 km (0.082 R)
• M7: 2,849,989 km (0.087 R)
• M8: 3,149,484 km (0.085 R)
• M9: 4,320,087 km (0.102 R)
• M10: 5,084,233 km (0.063 R)
• M11: 5,875,905 km (0.093 R)
• M12: 7,810,206 km (0.057 R)
• M13: 9,020,303 km (0.092 R)
• M14: 11,712,915 km (0.04 R)
• M15: 14,134,755 km (0.092 R)
• M16: 15,577,028 km (0.12 R)
• M17: 17,670,052 km (0.086 R)
• M18: 18,364,934 km (0.09 R)
• M19: 21,611,656 km (0.112 R)
• M20: 22,847,634 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.4

Radius: 6.3

Gravity: 12.33 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.23 AU - 8.69 AU

Year: 14064 Days

Day: 20.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,790,333 km

• M1: 78,539 km (0.101 R)
• M2: 407,505 km (0.115 R)
• M3: 658,081 km (0.063 R)
• M4: 1,334,862 km (0.049 R)
• M5: 1,572,573 km (0.117 R)
• M6: 2,798,976 km (0.073 R)
• M7: 3,388,541 km (0.078 R)
• M8: 4,086,266 km (0.057 R)
• M9: 7,036,934 km (0.115 R)
• M10: 12,270,017 km (0.11 R)
• M11: 14,357,506 km (0.099 R)
• M12: 16,016,846 km (0.071 R)
• M13: 17,954,437 km (0.089 R)
• M14: 18,979,332 km (0.094 R)
• M15: 19,547,206 km (0.055 R)
• M16: 21,843,683 km (0.092 R)
• M17: 23,749,859 km (0.114 R)
• M18: 26,060,847 km (0.091 R)
• M19: 27,682,188 km (0.097 R)
• M20: 30,019,655 km (0.087 R)
• M21: 33,532,064 km (0.112 R)
• M22: 34,361,434 km (0.066 R)
• M23: 39,365,034 km (0.088 R)
• M24: 44,264,813 km (0.115 R)
• M25: 45,839,480 km (0.078 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 13,152 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit