🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.6

Radius: 12.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.21 AU - 1.47 AU

Year: 1002 Days

Day: 12 Hours

Environment

Temp: -172 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,577,395 km

• M1: 160,519 km (0.105 R)
• M2: 782,846 km (0.034 R)
• M3: 1,189,004 km (0.093 R)
• M4: 1,689,558 km (0.117 R)
• M5: 2,110,527 km (0.071 R)
• M6: 3,225,180 km (0.061 R)
• M7: 3,836,437 km (0.12 R)
• M8: 4,319,489 km (0.027 R)
• M9: 4,825,130 km (0.083 R)
• M10: 5,389,562 km (0.061 R)
• M11: 6,362,547 km (0.116 R)
• M12: 6,856,669 km (0.055 R)
• M13: 7,596,430 km (0.042 R)
• M14: 8,024,430 km (0.104 R)
• M15: 8,629,104 km (0.047 R)
• M16: 9,123,376 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966

Radius: 10.9

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.23 AU - 1.95 AU

Year: 1295 Days

Day: 14.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,577,395 km

• M1: 135,536 km (0.105 R)
• M2: 474,674 km (0.085 R)
• M3: 962,214 km (0.104 R)
• M4: 1,469,949 km (0.109 R)
• M5: 2,779,229 km (0.072 R)
• M6: 3,739,498 km (0.096 R)
• M7: 4,648,754 km (0.081 R)
• M8: 5,093,060 km (0.113 R)
• M9: 5,973,742 km (0.11 R)
• M10: 6,499,878 km (0.054 R)
• M11: 6,850,685 km (0.07 R)
• M12: 8,036,248 km (0.078 R)
• M13: 9,259,659 km (0.099 R)
• M14: 12,147,796 km (0.108 R)
• M15: 12,720,307 km (0.09 R)
• M16: 13,191,241 km (0.051 R)
• M17: 13,755,225 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.2

Radius: 10.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.34 AU - 4.06 AU

Year: 4595 Days

Day: 7.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,577,395 km

• M1: 135,835 km (0.089 R)
• M2: 493,823 km (0.107 R)
• M3: 890,855 km (0.111 R)
• M4: 1,296,415 km (0.111 R)
• M5: 1,777,971 km (0.098 R)
• M6: 2,421,541 km (0.07 R)
• M7: 2,781,922 km (0.084 R)
• M8: 4,647,108 km (0.102 R)
• M9: 5,678,885 km (0.104 R)
• M10: 6,120,647 km (0.115 R)
• M11: 8,330,058 km (0.082 R)
• M12: 9,652,503 km (0.108 R)
• M13: 10,363,991 km (0.107 R)
• M14: 13,759,414 km (0.107 R)
• M15: 14,205,215 km (0.119 R)
• M16: 14,763,215 km (0.088 R)
• M17: 15,178,200 km (0.056 R)
• M18: 16,636,330 km (0.12 R)
• M19: 17,717,175 km (0.054 R)
• M20: 18,304,496 km (0.068 R)
• M21: 20,335,138 km (0.066 R)
• M22: 21,437,824 km (0.049 R)
• M23: 22,511,787 km (0.082 R)
• M24: 22,923,630 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.3

Radius: 9.9

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.94 AU - 4.5 AU

Year: 5597 Days

Day: 13.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,577,395 km

• M1: 197,918 km (0.109 R)
• M2: 1,264,700 km (0.042 R)
• M3: 1,690,157 km (0.054 R)
• M4: 2,818,125 km (0.114 R)
• M5: 4,006,530 km (0.06 R)
• M6: 4,610,606 km (0.095 R)
• M7: 5,225,005 km (0.092 R)
• M8: 5,813,224 km (0.116 R)
• M9: 7,091,238 km (0.044 R)
• M10: 7,780,286 km (0.093 R)
• M11: 9,110,660 km (0.118 R)
• M12: 12,931,240 km (0.088 R)
• M13: 15,091,134 km (0.032 R)
• M14: 18,446,165 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.6

Radius: 3.4

Gravity: 33.36 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.3 AU - 6.92 AU

Year: 9752 Days

Day: 21 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,577,395 km

• M1: 42,336 km (0.104 R)
• M2: 160,818 km (0.035 R)
• M3: 456,274 km (0.046 R)
• M4: 2,243,669 km (0.083 R)
• M5: 2,456,547 km (0.089 R)
• M6: 2,721,784 km (0.077 R)
• M7: 3,376,574 km (0.085 R)
• M8: 3,656,322 km (0.107 R)
• M9: 4,156,427 km (0.105 R)
• M10: 5,667,964 km (0.104 R)
• M11: 5,797,516 km (0.092 R)
• M12: 7,746,028 km (0.108 R)
• M13: 14,980,432 km (0.104 R)
• M14: 16,907,103 km (0.099 R)
• M15: 17,311,316 km (0.101 R)
• M16: 19,356,169 km (0.079 R)
• M17: 21,713,981 km (0.086 R)
• M18: 23,167,325 km (0.102 R)
• M19: 25,908,855 km (0.087 R)
• M20: 27,542,015 km (0.097 R)
• M21: 32,127,340 km (0.112 R)
• M22: 37,422,955 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.4

Radius: 7.2

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.65 AU - 7.69 AU

Year: 12396 Days

Day: 24.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 34,577,395 km

• M1: 90,656 km (0.111 R)
• M2: 590,014 km (0.071 R)
• M3: 1,291,179 km (0.076 R)
• M4: 1,728,454 km (0.079 R)
• M5: 2,142,840 km (0.109 R)
• M6: 2,454,602 km (0.086 R)
• M7: 3,126,745 km (0.1 R)
• M8: 3,576,137 km (0.098 R)
• M9: 4,041,985 km (0.059 R)
• M10: 4,715,923 km (0.03 R)
• M11: 5,782,107 km (0.114 R)
• M12: 6,250,648 km (0.058 R)
• M13: 7,187,729 km (0.075 R)
• M14: 7,611,240 km (0.044 R)
• M15: 10,077,212 km (0.106 R)
• M16: 10,905,086 km (0.093 R)
• M17: 12,042,629 km (0.058 R)
• M18: 13,953,293 km (0.11 R)
• M19: 17,049,669 km (0.108 R)
• M20: 17,389,256 km (0.034 R)
• M21: 19,448,920 km (0.118 R)
• M22: 24,216,455 km (0.076 R)
• M23: 25,255,262 km (0.063 R)
• M24: 25,519,602 km (0.044 R)
• M25: 28,359,568 km (0.068 R)
• M26: 29,708,641 km (0.052 R)
• M27: 30,798,162 km (0.105 R)
• M28: 31,914,163 km (0.047 R)
• M29: 33,904,861 km (0.081 R)
• M30: 35,754,789 km (0.095 R)
• M31: 37,214,116 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.7

Radius: 4.2

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.92 AU - 10.76 AU

Year: 18430 Days

Day: 15.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,577,395 km

• M1: 52,359 km (0.107 R)
• M2: 260,300 km (0.094 R)
• M3: 488,886 km (0.032 R)
• M4: 645,216 km (0.101 R)
• M5: 920,625 km (0.057 R)
• M6: 1,494,782 km (0.095 R)
• M7: 2,245,314 km (0.045 R)
• M8: 3,033,546 km (0.096 R)
• M9: 4,164,057 km (0.104 R)
• M10: 4,906,810 km (0.082 R)
• M11: 5,641,186 km (0.089 R)
• M12: 6,213,398 km (0.025 R)
• M13: 7,251,757 km (0.09 R)
• M14: 10,343,346 km (0.029 R)
• M15: 10,670,367 km (0.105 R)
• M16: 11,197,999 km (0.1 R)
• M17: 12,305,023 km (0.106 R)
• M18: 16,060,977 km (0.073 R)
• M19: 21,935,685 km (0.095 R)
• M20: 23,660,399 km (0.059 R)
• M21: 29,373,692 km (0.103 R)
• M22: 34,473,932 km (0.074 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 13,514 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit