🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.5

Radius: 11.6

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.58 AU - 0.88 AU

Year: 409 Days

Day: 8.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,595,064 km

• M1: 144,362 km (0.053 R)
• M2: 703,260 km (0.107 R)
• M3: 1,285,195 km (0.077 R)
• M4: 1,800,410 km (0.084 R)
• M5: 2,413,014 km (0.074 R)
• M6: 2,870,185 km (0.102 R)
• M7: 3,762,087 km (0.109 R)
• M8: 4,125,460 km (0.068 R)
• M9: 5,114,153 km (0.096 R)
• M10: 6,162,385 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.7

Radius: 13.5

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.09 AU - 1.59 AU

Year: 1018 Days

Day: 11.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,595,064 km

• M1: 168,447 km (0.067 R)
• M2: 595,250 km (0.082 R)
• M3: 1,092,513 km (0.048 R)
• M4: 1,827,488 km (0.073 R)
• M5: 2,291,989 km (0.068 R)
• M6: 2,901,301 km (0.048 R)
• M7: 5,084,383 km (0.074 R)
• M8: 5,589,874 km (0.115 R)
• M9: 6,797,278 km (0.025 R)
• M10: 8,362,970 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.9

Radius: 9.6

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.85 AU - 2.09 AU

Year: 1814 Days

Day: 8.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,595,064 km

• M1: 119,678 km (0.081 R)
• M2: 577,298 km (0.097 R)
• M3: 1,004,998 km (0.077 R)
• M4: 1,387,969 km (0.099 R)
• M5: 2,036,027 km (0.119 R)
• M6: 2,617,664 km (0.078 R)
• M7: 2,978,194 km (0.036 R)
• M8: 3,607,253 km (0.088 R)
• M9: 4,018,199 km (0.051 R)
• M10: 4,560,491 km (0.05 R)
• M11: 6,904,690 km (0.116 R)
• M12: 7,398,961 km (0.087 R)
• M13: 9,582,342 km (0.098 R)
• M14: 9,886,923 km (0.109 R)
• M15: 10,586,742 km (0.04 R)
• M16: 11,319,323 km (0.102 R)
• M17: 11,929,383 km (0.05 R)
• M18: 12,561,284 km (0.084 R)
• M19: 13,550,725 km (0.104 R)
• M20: 14,502,466 km (0.108 R)
• M21: 14,904,585 km (0.096 R)
• M22: 15,544,565 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.5

Radius: 12.6

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.36 AU - 3.36 AU

Year: 3173 Days

Day: 11.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,595,064 km

• M1: 156,629 km (0.081 R)
• M2: 708,346 km (0.064 R)
• M3: 1,511,986 km (0.1 R)
• M4: 1,918,443 km (0.057 R)
• M5: 3,290,256 km (0.085 R)
• M6: 3,783,181 km (0.059 R)
• M7: 8,461,555 km (0.061 R)
• M8: 9,806,888 km (0.116 R)
• M9: 10,591,080 km (0.042 R)
• M10: 12,063,572 km (0.115 R)
• M11: 18,152,654 km (0.116 R)
• M12: 21,075,498 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.4

Radius: 14.4

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.64 AU - 3.78 AU

Year: 3773 Days

Day: 8 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,595,064 km

• M1: 179,069 km (0.06 R)
• M2: 650,152 km (0.082 R)
• M3: 1,714,392 km (0.096 R)
• M4: 2,473,002 km (0.075 R)
• M5: 3,754,607 km (0.049 R)
• M6: 4,496,164 km (0.051 R)
• M7: 5,551,876 km (0.091 R)
• M8: 6,363,744 km (0.115 R)
• M9: 6,958,844 km (0.095 R)
• M10: 7,938,860 km (0.11 R)
• M11: 8,894,042 km (0.079 R)
• M12: 9,679,880 km (0.115 R)
• M13: 12,317,889 km (0.109 R)
• M14: 14,061,452 km (0.083 R)
• M15: 15,183,585 km (0.104 R)
• M16: 15,851,091 km (0.081 R)
• M17: 16,713,074 km (0.054 R)
• M18: 18,281,009 km (0.057 R)
• M19: 20,611,295 km (0.099 R)
• M20: 22,270,934 km (0.096 R)
• M21: 23,060,661 km (0.102 R)
• M22: 26,567,535 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.4

Radius: 5.7

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.57 AU - 7.65 AU

Year: 11148 Days

Day: 17.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,595,064 km

• M1: 72,106 km (0.037 R)
• M2: 306,376 km (0.111 R)
• M3: 503,995 km (0.047 R)
• M4: 993,779 km (0.096 R)
• M5: 1,299,258 km (0.103 R)
• M6: 2,761,427 km (0.093 R)
• M7: 2,976,698 km (0.103 R)
• M8: 3,810,557 km (0.05 R)
• M9: 6,749,557 km (0.095 R)
• M10: 11,594,733 km (0.082 R)
• M11: 12,069,407 km (0.088 R)
• M12: 13,761,508 km (0.04 R)
• M13: 14,293,628 km (0.114 R)
• M14: 15,398,707 km (0.11 R)
• M15: 18,583,496 km (0.075 R)
• M16: 19,353,177 km (0.072 R)
• M17: 19,533,742 km (0.054 R)
• M18: 20,267,370 km (0.072 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 17,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit