🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.4

Radius: 8.1

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.65 AU - 0.75 AU

Year: 372 Days

Day: 5.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,862,256 km

• M1: 100,679 km (0.118 R)
• M2: 478,863 km (0.059 R)
• M3: 788,530 km (0.075 R)
• M4: 1,145,172 km (0.079 R)
• M5: 1,829,881 km (0.029 R)
• M6: 2,150,619 km (0.102 R)
• M7: 2,404,786 km (0.058 R)
• M8: 2,725,374 km (0.057 R)
• M9: 2,984,478 km (0.059 R)
• M10: 3,281,280 km (0.081 R)
• M11: 4,104,218 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.1

Radius: 11.8

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.14 AU - 1.64 AU

Year: 1042 Days

Day: 5.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,862,256 km

• M1: 146,756 km (0.108 R)
• M2: 782,995 km (0.046 R)
• M3: 1,321,996 km (0.115 R)
• M4: 2,129,675 km (0.064 R)
• M5: 2,623,498 km (0.109 R)
• M6: 3,392,132 km (0.091 R)
• M7: 3,788,566 km (0.087 R)
• M8: 7,153,022 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.6

Radius: 13.6

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.26 AU - 1.64 AU

Year: 1110 Days

Day: 13.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,862,256 km

• M1: 169,195 km (0.077 R)
• M2: 633,098 km (0.101 R)
• M3: 1,298,809 km (0.084 R)
• M4: 1,782,309 km (0.113 R)
• M5: 2,398,951 km (0.105 R)
• M6: 4,118,130 km (0.103 R)
• M7: 4,734,922 km (0.114 R)
• M8: 5,247,594 km (0.089 R)
• M9: 5,841,049 km (0.082 R)
• M10: 6,315,424 km (0.086 R)
• M11: 7,707,881 km (0.119 R)
• M12: 8,335,893 km (0.101 R)
• M13: 8,880,130 km (0.116 R)
• M14: 10,723,325 km (0.053 R)
• M15: 11,717,403 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.4

Radius: 9.7

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.99 AU - 5.07 AU

Year: 6130 Days

Day: 9.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,862,256 km

• M1: 121,773 km (0.085 R)
• M2: 1,404,724 km (0.079 R)
• M3: 1,958,236 km (0.075 R)
• M4: 2,438,296 km (0.117 R)
• M5: 4,735,371 km (0.049 R)
• M6: 5,157,237 km (0.114 R)
• M7: 8,237,308 km (0.064 R)
• M8: 8,600,681 km (0.107 R)
• M9: 9,980,422 km (0.092 R)
• M10: 11,702,593 km (0.059 R)
• M11: 13,952,395 km (0.096 R)
• M12: 16,412,831 km (0.062 R)
• M13: 17,381,029 km (0.111 R)
• M14: 23,357,912 km (0.069 R)
• M15: 32,040,274 km (0.108 R)
• M16: 34,478,868 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.9

Radius: 7.4

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.75 AU - 9.05 AU

Year: 15479 Days

Day: 19.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 44,862,256 km

• M1: 93,050 km (0.099 R)
• M2: 533,915 km (0.071 R)
• M3: 774,319 km (0.062 R)
• M4: 1,088,923 km (0.069 R)
• M5: 1,403,826 km (0.088 R)
• M6: 2,394,613 km (0.058 R)
• M7: 3,001,831 km (0.06 R)
• M8: 3,680,706 km (0.117 R)
• M9: 3,928,440 km (0.075 R)
• M10: 4,187,244 km (0.095 R)
• M11: 5,913,604 km (0.057 R)
• M12: 9,421,076 km (0.067 R)
• M13: 10,530,942 km (0.086 R)
• M14: 11,666,689 km (0.097 R)
• M15: 15,068,395 km (0.093 R)
• M16: 19,823,513 km (0.063 R)
• M17: 22,813,825 km (0.052 R)
• M18: 27,842,856 km (0.099 R)
• M19: 29,125,209 km (0.103 R)
• M20: 29,561,138 km (0.032 R)
• M21: 30,558,207 km (0.047 R)
• M22: 31,806,901 km (0.112 R)
• M23: 36,256,989 km (0.075 R)
• M24: 37,015,749 km (0.075 R)
• M25: 42,906,016 km (0.066 R)
• M26: 44,758,935 km (0.092 R)
• M27: 45,631,988 km (0.067 R)
• M28: 46,072,554 km (0.081 R)
• M29: 49,391,682 km (0.088 R)
• M30: 50,951,688 km (0.093 R)
• M31: 55,160,924 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.5

Radius: 4.9

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.89 AU - 12.91 AU

Year: 21325 Days

Day: 24.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 138.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,862,256 km

• M1: 61,485 km (0.049 R)
• M2: 398,230 km (0.1 R)
• M3: 744,249 km (0.086 R)
• M4: 942,766 km (0.117 R)
• M5: 1,199,476 km (0.109 R)
• M6: 1,821,803 km (0.081 R)
• M7: 2,617,664 km (0.093 R)
• M8: 3,598,128 km (0.078 R)
• M9: 5,527,791 km (0.101 R)
• M10: 15,692,667 km (0.104 R)
• M11: 18,810,735 km (0.1 R)
• M12: 20,039,832 km (0.105 R)
• M13: 24,853,442 km (0.105 R)
• M14: 34,494,127 km (0.06 R)
• M15: 42,227,589 km (0.097 R)
• M16: 44,862,307 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 14,261 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit