🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.9

Radius: 9.1

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.5 AU - 0.52 AU

Year: 243 Days

Day: 5 Hours

Environment

Temp: -137 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,410,032 km

• M1: 113,246 km (0.055 R)
• M2: 521,797 km (0.082 R)
• M3: 955,930 km (0.073 R)
• M4: 1,660,985 km (0.063 R)
• M5: 2,000,572 km (0.114 R)
• M6: 2,294,233 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.9

Radius: 14.8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.23 AU - 2.41 AU

Year: 2356 Days

Day: 12.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,410,032 km

• M1: 184,155 km (0.034 R)
• M2: 646,263 km (0.075 R)
• M3: 1,285,195 km (0.047 R)
• M4: 1,853,069 km (0.074 R)
• M5: 3,090,692 km (0.078 R)
• M6: 3,621,615 km (0.097 R)
• M7: 4,397,280 km (0.112 R)
• M8: 6,578,118 km (0.11 R)
• M9: 7,054,736 km (0.089 R)
• M10: 7,983,590 km (0.109 R)
• M11: 10,048,639 km (0.06 R)
• M12: 11,623,755 km (0.096 R)
• M13: 15,650,630 km (0.077 R)
• M14: 18,249,444 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.9

Radius: 11.5

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.84 AU - 4.88 AU

Year: 7145 Days

Day: 12.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,410,032 km

• M1: 143,165 km (0.111 R)
• M2: 508,782 km (0.046 R)
• M3: 948,451 km (0.112 R)
• M4: 2,861,358 km (0.076 R)
• M5: 3,955,966 km (0.09 R)
• M6: 4,377,383 km (0.098 R)
• M7: 4,887,213 km (0.073 R)
• M8: 5,531,980 km (0.118 R)
• M9: 6,129,025 km (0.119 R)
• M10: 6,731,904 km (0.114 R)
• M11: 7,104,702 km (0.109 R)
• M12: 7,974,015 km (0.11 R)
• M13: 9,317,554 km (0.115 R)
• M14: 11,267,113 km (0.103 R)
• M15: 14,495,435 km (0.089 R)
• M16: 20,229,970 km (0.118 R)
• M17: 21,326,822 km (0.094 R)
• M18: 23,045,851 km (0.081 R)
• M19: 23,468,465 km (0.083 R)
• M20: 25,389,451 km (0.05 R)
• M21: 26,022,101 km (0.091 R)
• M22: 28,079,072 km (0.059 R)
• M23: 32,514,200 km (0.107 R)
• M24: 38,332,659 km (0.064 R)
• M25: 39,888,776 km (0.112 R)
• M26: 40,253,795 km (0.079 R)
• M27: 40,990,565 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587

Radius: 13.7

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.33 AU - 6.91 AU

Year: 8885 Days

Day: 9.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,410,032 km

• M1: 170,392 km (0.097 R)
• M2: 1,382,883 km (0.069 R)
• M3: 2,327,593 km (0.108 R)
• M4: 2,933,614 km (0.058 R)
• M5: 4,383,816 km (0.12 R)
• M6: 4,951,241 km (0.108 R)
• M7: 5,471,692 km (0.087 R)
• M8: 6,303,905 km (0.114 R)
• M9: 6,879,707 km (0.062 R)
• M10: 7,529,710 km (0.111 R)
• M11: 8,346,813 km (0.081 R)
• M12: 10,401,390 km (0.117 R)
• M13: 10,849,735 km (0.092 R)
• M14: 15,942,495 km (0.07 R)
• M15: 17,359,038 km (0.096 R)
• M16: 17,849,420 km (0.062 R)
• M17: 19,301,865 km (0.086 R)
• M18: 19,904,445 km (0.036 R)
• M19: 26,547,040 km (0.04 R)
• M20: 28,244,078 km (0.065 R)
• M21: 31,129,073 km (0.083 R)
• M22: 41,451,027 km (0.047 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.1

Radius: 7.5

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.79 AU - 7.13 AU

Year: 12245 Days

Day: 18.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,410,032 km

• M1: 93,349 km (0.119 R)
• M2: 359,184 km (0.087 R)
• M3: 728,392 km (0.107 R)
• M4: 1,046,587 km (0.109 R)
• M5: 2,286,005 km (0.111 R)
• M6: 3,973,918 km (0.108 R)
• M7: 4,695,129 km (0.087 R)
• M8: 5,001,206 km (0.074 R)
• M9: 6,228,208 km (0.111 R)
• M10: 7,198,799 km (0.077 R)
• M11: 8,427,596 km (0.098 R)
• M12: 9,480,466 km (0.095 R)
• M13: 12,838,340 km (0.082 R)
• M14: 16,657,424 km (0.062 R)
• M15: 17,239,659 km (0.112 R)
• M16: 21,247,086 km (0.099 R)
• M17: 21,625,719 km (0.119 R)
• M18: 23,105,690 km (0.096 R)
• M19: 23,506,164 km (0.105 R)
• M20: 25,323,329 km (0.087 R)
• M21: 27,499,679 km (0.111 R)
• M22: 30,367,620 km (0.105 R)
• M23: 32,220,689 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.8

Radius: 7

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.8 AU - 8.76 AU

Year: 15888 Days

Day: 22.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,410,032 km

• M1: 94,845 km (0.09 R)
• M2: 538,104 km (0.041 R)
• M3: 986,299 km (0.056 R)
• M4: 1,875,209 km (0.069 R)
• M5: 2,525,511 km (0.101 R)
• M6: 4,409,248 km (0.042 R)
• M7: 5,549,483 km (0.068 R)
• M8: 6,538,923 km (0.093 R)
• M9: 11,443,040 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.9

Radius: 6

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.1 AU - 10.06 AU

Year: 18246 Days

Day: 17.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,410,032 km

• M1: 77,940 km (0.105 R)
• M2: 403,765 km (0.094 R)
• M3: 612,753 km (0.081 R)
• M4: 1,372,560 km (0.107 R)
• M5: 1,821,354 km (0.075 R)
• M6: 2,171,712 km (0.108 R)
• M7: 2,873,326 km (0.063 R)
• M8: 3,605,458 km (0.068 R)
• M9: 7,434,865 km (0.081 R)
• M10: 7,835,488 km (0.036 R)
• M11: 12,264,632 km (0.106 R)
• M12: 13,884,478 km (0.113 R)
• M13: 14,269,094 km (0.078 R)
• M14: 17,225,896 km (0.112 R)
• M15: 18,252,137 km (0.072 R)
• M16: 20,567,164 km (0.058 R)
• M17: 22,918,095 km (0.109 R)
• M18: 23,610,284 km (0.091 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: 265 - 15,296 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit