🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.7

Radius: 13.7

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.53 AU - 0.71 AU

Year: 326 Days

Day: 12.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,252,271 km

• M1: 170,392 km (0.031 R)
• M2: 695,331 km (0.112 R)
• M3: 1,373,308 km (0.083 R)
• M4: 1,830,928 km (0.09 R)
• M5: 2,365,741 km (0.08 R)
• M6: 3,077,677 km (0.098 R)
• M7: 4,603,126 km (0.116 R)
• M8: 5,035,016 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.9

Radius: 12.4

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.81 AU - 0.89 AU

Year: 523 Days

Day: 14.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,252,271 km

• M1: 154,235 km (0.091 R)
• M2: 681,568 km (0.083 R)
• M3: 1,099,245 km (0.073 R)
• M4: 1,740,122 km (0.047 R)
• M5: 2,358,560 km (0.097 R)
• M6: 2,758,136 km (0.082 R)
• M7: 3,276,044 km (0.101 R)
• M8: 3,696,563 km (0.059 R)
• M9: 4,403,264 km (0.087 R)
• M10: 5,577,009 km (0.115 R)
• M11: 6,030,141 km (0.039 R)
• M12: 6,786,507 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.2

Radius: 14.7

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.84 AU - 0.98 AU

Year: 579 Days

Day: 8.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,252,271 km

• M1: 182,809 km (0.057 R)
• M2: 653,443 km (0.106 R)
• M3: 1,145,022 km (0.079 R)
• M4: 2,028,248 km (0.076 R)
• M5: 2,632,923 km (0.025 R)
• M6: 3,800,235 km (0.092 R)
• M7: 4,607,166 km (0.078 R)
• M8: 5,356,501 km (0.119 R)
• M9: 5,840,600 km (0.095 R)
• M10: 6,449,015 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.7

Radius: 13

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.11 AU - 1.37 AU

Year: 921 Days

Day: 7 Hours

Environment

Temp: -174 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,252,271 km

• M1: 162,314 km (0.116 R)
• M2: 581,936 km (0.11 R)
• M3: 1,159,832 km (0.118 R)
• M4: 1,641,089 km (0.115 R)
• M5: 2,133,714 km (0.103 R)
• M6: 2,561,864 km (0.071 R)
• M7: 3,986,035 km (0.081 R)
• M8: 4,405,358 km (0.081 R)
• M9: 5,145,419 km (0.047 R)
• M10: 6,387,829 km (0.043 R)
• M11: 7,313,541 km (0.062 R)
• M12: 8,172,831 km (0.03 R)
• M13: 9,263,998 km (0.112 R)
• M14: 9,715,185 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.7

Radius: 12.7

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.71 AU - 2.73 AU

Year: 2991 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,252,271 km

• M1: 157,975 km (0.078 R)
• M2: 687,103 km (0.089 R)
• M3: 1,104,780 km (0.12 R)
• M4: 1,839,605 km (0.12 R)
• M5: 2,577,123 km (0.082 R)
• M6: 3,137,217 km (0.035 R)
• M7: 3,658,566 km (0.077 R)
• M8: 5,220,218 km (0.084 R)
• M9: 5,792,878 km (0.095 R)
• M10: 6,206,965 km (0.071 R)
• M11: 7,157,361 km (0.079 R)
• M12: 9,572,469 km (0.086 R)
• M13: 10,153,507 km (0.085 R)
• M14: 10,675,902 km (0.044 R)
• M15: 11,386,193 km (0.071 R)
• M16: 11,818,531 km (0.088 R)
• M17: 13,804,293 km (0.109 R)
• M18: 14,851,029 km (0.096 R)
• M19: 16,219,551 km (0.051 R)
• M20: 18,075,312 km (0.089 R)
• M21: 19,205,973 km (0.087 R)
• M22: 19,881,856 km (0.079 R)
• M23: 20,320,178 km (0.074 R)
• M24: 21,151,194 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.3

Radius: 11.4

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.36 AU - 5.54 AU

Year: 6260 Days

Day: 9.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,252,271 km

• M1: 141,819 km (0.12 R)
• M2: 698,921 km (0.114 R)
• M3: 2,022,264 km (0.114 R)
• M4: 4,973,680 km (0.118 R)
• M5: 5,416,191 km (0.081 R)
• M6: 6,960,939 km (0.099 R)
• M7: 7,485,877 km (0.102 R)
• M8: 8,387,504 km (0.065 R)
• M9: 10,036,671 km (0.036 R)
• M10: 12,139,568 km (0.038 R)
• M11: 14,614,665 km (0.104 R)
• M12: 15,234,150 km (0.066 R)
• M13: 16,576,790 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.1

Radius: 6.2

Gravity: 16.08 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.66 AU - 13.2 AU

Year: 24097 Days

Day: 19.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,252,271 km

• M1: 77,043 km (0.089 R)
• M2: 335,997 km (0.097 R)
• M3: 772,972 km (0.095 R)
• M4: 974,929 km (0.103 R)
• M5: 1,170,454 km (0.102 R)
• M6: 1,376,749 km (0.077 R)
• M7: 2,002,517 km (0.115 R)
• M8: 2,701,588 km (0.083 R)
• M9: 3,148,437 km (0.036 R)
• M10: 5,440,276 km (0.103 R)
• M11: 5,809,633 km (0.1 R)
• M12: 6,283,559 km (0.12 R)
• M13: 7,963,693 km (0.12 R)
• M14: 10,165,175 km (0.041 R)
• M15: 13,764,949 km (0.113 R)
• M16: 15,318,972 km (0.118 R)
• M17: 16,474,017 km (0.062 R)
• M18: 22,086,031 km (0.111 R)
• M19: 23,450,214 km (0.112 R)
• M20: 24,647,745 km (0.081 R)
• M21: 25,657,381 km (0.113 R)
• M22: 26,694,244 km (0.044 R)
• M23: 30,479,818 km (0.118 R)
• M24: 37,460,653 km (0.116 R)
• M25: 41,397,920 km (0.103 R)
• M26: 46,611,705 km (0.098 R)
• M27: 51,157,086 km (0.116 R)
• M28: 52,981,133 km (0.085 R)
• M29: 59,706,754 km (0.056 R)
• M30: 64,003,504 km (0.063 R)
• M31: 65,056,075 km (0.072 R)
• M32: 71,614,894 km (0.112 R)
• M33: 73,435,500 km (0.058 R)
• M34: 74,126,044 km (0.079 R)
• M35: 80,293,815 km (0.107 R)
• M36: 83,003,032 km (0.093 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 11,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit