🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.1

Radius: 10.1

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.87 AU - 1.03 AU

Year: 589 Days

Day: 8.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,219,069 km

• M1: 125,662 km (0.03 R)
• M2: 459,116 km (0.116 R)
• M3: 997,818 km (0.119 R)
• M4: 1,322,744 km (0.071 R)
• M5: 1,703,770 km (0.054 R)
• M6: 2,205,821 km (0.096 R)
• M7: 2,561,415 km (0.107 R)
• M8: 3,299,680 km (0.107 R)
• M9: 3,781,685 km (0.062 R)
• M10: 4,341,031 km (0.115 R)
• M11: 4,971,436 km (0.111 R)
• M12: 5,811,279 km (0.102 R)
• M13: 6,334,871 km (0.077 R)
• M14: 6,826,450 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.4

Radius: 13.2

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.56 AU - 1.68 AU

Year: 1311 Days

Day: 10.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,219,069 km

• M1: 164,109 km (0.111 R)
• M2: 735,872 km (0.113 R)
• M3: 1,493,735 km (0.104 R)
• M4: 2,006,855 km (0.101 R)
• M5: 2,568,895 km (0.085 R)
• M6: 3,523,778 km (0.072 R)
• M7: 4,044,827 km (0.086 R)
• M8: 4,807,776 km (0.061 R)
• M9: 6,340,556 km (0.108 R)
• M10: 7,001,031 km (0.067 R)
• M11: 7,878,422 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.4

Radius: 11.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.3 AU - 2 AU

Year: 1348 Days

Day: 13.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,219,069 km

• M1: 225,294 km (0.077 R)
• M2: 692,189 km (0.12 R)
• M3: 1,471,744 km (0.057 R)
• M4: 2,039,318 km (0.106 R)
• M5: 2,772,797 km (0.066 R)
• M6: 3,381,510 km (0.1 R)
• M7: 4,937,478 km (0.112 R)
• M8: 5,874,409 km (0.056 R)
• M9: 7,450,423 km (0.103 R)
• M10: 7,976,409 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.6

Radius: 13.2

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.37 AU - 4.03 AU

Year: 4525 Days

Day: 12.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,219,069 km

• M1: 164,258 km (0.051 R)
• M2: 970,142 km (0.068 R)
• M3: 1,773,782 km (0.08 R)
• M4: 2,821,117 km (0.112 R)
• M5: 4,146,703 km (0.077 R)
• M6: 5,079,895 km (0.114 R)
• M7: 9,117,392 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.7

Radius: 9

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.58 AU - 4.14 AU

Year: 4822 Days

Day: 9.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,219,069 km

• M1: 112,049 km (0.097 R)
• M2: 403,316 km (0.104 R)
• M3: 730,187 km (0.068 R)
• M4: 1,147,864 km (0.112 R)
• M5: 1,805,945 km (0.078 R)
• M6: 2,093,473 km (0.059 R)
• M7: 2,796,283 km (0.095 R)
• M8: 3,147,539 km (0.107 R)
• M9: 3,567,909 km (0.106 R)
• M10: 4,784,589 km (0.094 R)
• M11: 6,799,822 km (0.111 R)
• M12: 7,537,638 km (0.052 R)
• M13: 8,081,576 km (0.078 R)
• M14: 9,439,775 km (0.045 R)
• M15: 10,112,367 km (0.108 R)
• M16: 11,731,166 km (0.075 R)
• M17: 12,184,447 km (0.049 R)
• M18: 12,696,521 km (0.111 R)
• M19: 13,466,651 km (0.119 R)
• M20: 14,014,179 km (0.102 R)
• M21: 17,910,904 km (0.102 R)
• M22: 18,573,024 km (0.049 R)
• M23: 19,565,158 km (0.095 R)
• M24: 21,119,031 km (0.119 R)
• M25: 21,452,783 km (0.066 R)
• M26: 22,062,544 km (0.117 R)
• M27: 22,823,250 km (0.109 R)
• M28: 24,178,457 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.8

Radius: 4.2

Gravity: 40.69 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.14 AU - 9.36 AU

Year: 15067 Days

Day: 17.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 170.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,219,069 km

• M1: 52,210 km (0.114 R)
• M2: 1,087,577 km (0.113 R)
• M3: 1,310,627 km (0.085 R)
• M4: 2,477,341 km (0.12 R)
• M5: 2,723,429 km (0.071 R)
• M6: 3,317,034 km (0.105 R)
• M7: 4,721,608 km (0.103 R)
• M8: 6,438,992 km (0.09 R)
• M9: 7,166,935 km (0.117 R)
• M10: 7,300,974 km (0.066 R)
• M11: 8,835,849 km (0.037 R)
• M12: 9,250,833 km (0.064 R)
• M13: 10,458,686 km (0.118 R)
• M14: 10,689,067 km (0.078 R)
• M15: 10,922,889 km (0.081 R)
• M16: 12,655,830 km (0.106 R)
• M17: 13,116,143 km (0.043 R)
• M18: 18,684,475 km (0.107 R)
• M19: 23,225,817 km (0.069 R)
• M20: 26,916,247 km (0.086 R)
• M21: 30,625,826 km (0.081 R)
• M22: 32,541,127 km (0.113 R)
• M23: 36,344,803 km (0.064 R)
• M24: 42,589,467 km (0.058 R)
• M25: 46,659,426 km (0.086 R)
• M26: 51,809,782 km (0.12 R)
• M27: 53,664,047 km (0.037 R)
• M28: 58,221,995 km (0.113 R)
• M29: 60,410,014 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.3

Radius: 3.6

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.82 AU - 10.82 AU

Year: 18091 Days

Day: 17.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,219,069 km

• M1: 44,730 km (0.098 R)
• M2: 198,516 km (0.116 R)
• M3: 312,959 km (0.077 R)
• M4: 456,872 km (0.116 R)
• M5: 733,329 km (0.1 R)
• M6: 908,957 km (0.075 R)
• M7: 1,208,003 km (0.113 R)
• M8: 2,045,452 km (0.066 R)
• M9: 3,542,926 km (0.111 R)
• M10: 5,279,309 km (0.078 R)
• M11: 5,399,885 km (0.112 R)
• M12: 7,936,765 km (0.03 R)
• M13: 8,418,171 km (0.071 R)
• M14: 8,749,830 km (0.082 R)
• M15: 9,133,249 km (0.103 R)
• M16: 9,933,299 km (0.058 R)
• M17: 12,399,420 km (0.106 R)
• M18: 16,431,232 km (0.111 R)
• M19: 16,688,540 km (0.1 R)
• M20: 21,104,819 km (0.11 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: 382 - 10,984 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit