🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.8

Radius: 10.3

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.76 AU - 0.84 AU

Year: 477 Days

Day: 5.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,986,001 km

• M1: 129,253 km (0.073 R)
• M2: 451,337 km (0.074 R)
• M3: 784,790 km (0.114 R)
• M4: 2,170,366 km (0.12 R)
• M5: 3,224,283 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.4

Radius: 14.7

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.86 AU - 1.16 AU

Year: 677 Days

Day: 9 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,986,001 km

• M1: 186,100 km (0.09 R)
• M2: 804,388 km (0.087 R)
• M3: 1,357,301 km (0.05 R)
• M4: 2,066,844 km (0.088 R)
• M5: 2,571,438 km (0.065 R)
• M6: 3,107,597 km (0.097 R)
• M7: 3,695,367 km (0.105 R)
• M8: 4,395,933 km (0.095 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.1

Radius: 3.1

Gravity: 47.57 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.82 AU - 7.18 AU

Year: 9801 Days

Day: 24 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,986,001 km

• M1: 39,195 km (0.077 R)
• M2: 256,112 km (0.043 R)
• M3: 484,248 km (0.059 R)
• M4: 954,734 km (0.114 R)
• M5: 1,430,006 km (0.112 R)
• M6: 1,590,824 km (0.041 R)
• M7: 1,808,788 km (0.083 R)
• M8: 2,215,993 km (0.042 R)
• M9: 2,926,134 km (0.114 R)
• M10: 3,751,167 km (0.044 R)
• M11: 5,138,088 km (0.109 R)
• M12: 5,580,300 km (0.108 R)
• M13: 5,945,319 km (0.108 R)
• M14: 6,361,201 km (0.098 R)
• M15: 7,565,015 km (0.055 R)
• M16: 11,066,502 km (0.108 R)
• M17: 11,963,192 km (0.098 R)
• M18: 14,941,686 km (0.102 R)
• M19: 16,299,735 km (0.096 R)
• M20: 17,737,670 km (0.104 R)
• M21: 17,878,890 km (0.045 R)
• M22: 19,258,183 km (0.058 R)
• M23: 21,178,720 km (0.111 R)
• M24: 22,555,320 km (0.105 R)
• M25: 23,732,805 km (0.092 R)
• M26: 23,904,244 km (0.116 R)
• M27: 24,598,527 km (0.116 R)
• M28: 25,755,069 km (0.111 R)
• M29: 31,876,613 km (0.098 R)
• M30: 35,439,137 km (0.064 R)
• M31: 37,373,737 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.2

Radius: 4

Gravity: 62.14 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.06 AU - 8.34 AU

Year: 12883 Days

Day: 15.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,986,001 km

• M1: 55,950 km (0.06 R)
• M2: 207,642 km (0.075 R)
• M3: 343,477 km (0.069 R)
• M4: 469,588 km (0.067 R)
• M5: 661,522 km (0.065 R)
• M6: 1,077,254 km (0.077 R)
• M7: 1,231,190 km (0.112 R)
• M8: 2,094,969 km (0.109 R)
• M9: 2,233,496 km (0.119 R)
• M10: 2,420,643 km (0.104 R)
• M11: 2,779,080 km (0.077 R)
• M12: 3,572,846 km (0.107 R)
• M13: 4,006,829 km (0.096 R)
• M14: 4,539,996 km (0.08 R)
• M15: 6,218,185 km (0.083 R)
• M16: 9,992,390 km (0.088 R)
• M17: 12,707,142 km (0.084 R)
• M18: 14,197,586 km (0.106 R)
• M19: 14,338,507 km (0.087 R)
• M20: 14,695,148 km (0.089 R)
• M21: 17,439,372 km (0.113 R)
• M22: 17,927,659 km (0.095 R)
• M23: 18,092,366 km (0.06 R)
• M24: 25,543,836 km (0.114 R)
• M25: 36,365,447 km (0.107 R)
• M26: 39,480,374 km (0.096 R)
• M27: 42,184,056 km (0.112 R)
• M28: 42,915,590 km (0.064 R)
• M29: 44,856,922 km (0.086 R)
• M30: 45,772,460 km (0.069 R)
• M31: 46,234,718 km (0.075 R)
• M32: 46,700,266 km (0.067 R)
• M33: 48,913,717 km (0.103 R)
• M34: 51,030,975 km (0.099 R)
• M35: 57,389,483 km (0.094 R)
• M36: 57,927,138 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.6

Radius: 4

Gravity: 36.48 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.6 AU - 8.92 AU

Year: 14415 Days

Day: 17.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,986,001 km

• M1: 60,438 km (0.097 R)
• M2: 265,536 km (0.05 R)
• M3: 447,148 km (0.118 R)
• M4: 1,079,797 km (0.071 R)
• M5: 1,254,677 km (0.077 R)
• M6: 1,537,118 km (0.069 R)
• M7: 1,709,754 km (0.087 R)
• M8: 2,267,156 km (0.112 R)
• M9: 2,937,055 km (0.047 R)
• M10: 4,818,697 km (0.087 R)
• M11: 6,417,001 km (0.103 R)
• M12: 6,949,719 km (0.057 R)
• M13: 7,963,244 km (0.071 R)
• M14: 8,243,142 km (0.111 R)
• M15: 10,169,813 km (0.116 R)
• M16: 12,563,977 km (0.069 R)
• M17: 14,059,058 km (0.105 R)
• M18: 15,095,472 km (0.072 R)
• M19: 15,596,176 km (0.067 R)
• M20: 16,330,552 km (0.042 R)
• M21: 16,630,646 km (0.092 R)
• M22: 17,010,923 km (0.113 R)
• M23: 21,674,338 km (0.11 R)
• M24: 22,495,481 km (0.045 R)
• M25: 23,909,629 km (0.114 R)
• M26: 28,614,632 km (0.113 R)
• M27: 29,713,129 km (0.046 R)
• M28: 30,160,277 km (0.081 R)
• M29: 30,839,451 km (0.054 R)
• M30: 32,345,902 km (0.076 R)
• M31: 32,581,818 km (0.056 R)
• M32: 41,446,240 km (0.057 R)
• M33: 45,606,856 km (0.059 R)
• M34: 46,052,508 km (0.109 R)
• M35: 46,201,657 km (0.04 R)
• M36: 46,351,105 km (0.083 R)
• M37: 50,037,197 km (0.069 R)
• M38: 51,629,068 km (0.117 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 13,667 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit