🌌 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: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.6

Radius: 12.9

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.61 AU - 0.87 AU

Year: 418 Days

Day: 14.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,515,080 km

• M1: 160,369 km (0.114 R)
• M2: 782,846 km (0.11 R)
• M3: 1,288,038 km (0.102 R)
• M4: 1,727,855 km (0.11 R)
• M5: 2,153,910 km (0.11 R)
• M6: 2,576,823 km (0.112 R)
• M7: 3,535,895 km (0.106 R)
• M8: 4,092,100 km (0.034 R)
• M9: 4,636,487 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.4

Radius: 13.2

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.02 AU - 1.6 AU

Year: 984 Days

Day: 12.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,515,080 km

• M1: 164,109 km (0.046 R)
• M2: 576,401 km (0.109 R)
• M3: 1,074,412 km (0.065 R)
• M4: 1,568,384 km (0.114 R)
• M5: 2,004,611 km (0.102 R)
• M6: 2,547,053 km (0.029 R)
• M7: 3,754,907 km (0.079 R)
• M8: 4,233,470 km (0.065 R)
• M9: 6,095,216 km (0.074 R)
• M10: 6,735,794 km (0.111 R)
• M11: 7,395,820 km (0.088 R)
• M12: 7,938,561 km (0.077 R)
• M13: 8,816,850 km (0.108 R)
• M14: 9,398,037 km (0.097 R)
• M15: 10,004,657 km (0.084 R)
• M16: 10,540,816 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.2

Radius: 14.8

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.01 AU - 3.03 AU

Year: 2624 Days

Day: 9 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,515,080 km

• M1: 184,604 km (0.05 R)
• M2: 886,816 km (0.092 R)
• M3: 1,366,726 km (0.079 R)
• M4: 1,856,958 km (0.12 R)
• M5: 2,426,777 km (0.118 R)
• M6: 3,742,340 km (0.094 R)
• M7: 4,334,299 km (0.059 R)
• M8: 5,032,772 km (0.086 R)
• M9: 6,259,923 km (0.094 R)
• M10: 6,875,069 km (0.091 R)
• M11: 7,384,450 km (0.12 R)
• M12: 8,041,484 km (0.115 R)
• M13: 9,404,171 km (0.118 R)
• M14: 9,962,171 km (0.073 R)
• M15: 10,840,610 km (0.107 R)
• M16: 11,730,268 km (0.114 R)
• M17: 12,921,067 km (0.116 R)
• M18: 14,236,182 km (0.053 R)
• M19: 14,926,277 km (0.048 R)
• M20: 16,175,569 km (0.11 R)
• M21: 17,080,486 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.1

Radius: 14.3

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.47 AU - 3.83 AU

Year: 3668 Days

Day: 11.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,515,080 km

• M1: 178,470 km (0.075 R)
• M2: 624,122 km (0.11 R)
• M3: 1,103,135 km (0.118 R)
• M4: 1,695,692 km (0.074 R)
• M5: 2,200,884 km (0.111 R)
• M6: 3,831,501 km (0.119 R)
• M7: 5,679,034 km (0.096 R)
• M8: 8,529,771 km (0.119 R)
• M9: 9,399,683 km (0.051 R)
• M10: 11,009,207 km (0.067 R)
• M11: 14,141,188 km (0.116 R)
• M12: 18,250,342 km (0.073 R)
• M13: 18,869,228 km (0.119 R)
• M14: 23,024,159 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.4

Radius: 14.6

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.15 AU - 3.95 AU

Year: 4388 Days

Day: 10.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,515,080 km

• M1: 181,612 km (0.1 R)
• M2: 684,560 km (0.093 R)
• M3: 1,163,871 km (0.111 R)
• M4: 1,702,573 km (0.085 R)
• M5: 2,393,716 km (0.051 R)
• M6: 3,652,133 km (0.044 R)
• M7: 4,135,783 km (0.117 R)
• M8: 5,126,420 km (0.033 R)
• M9: 5,969,105 km (0.034 R)
• M10: 12,156,921 km (0.064 R)
• M11: 13,295,960 km (0.106 R)
• M12: 14,129,519 km (0.111 R)
• M13: 14,887,083 km (0.096 R)
• M14: 16,542,832 km (0.057 R)
• M15: 19,219,736 km (0.055 R)
• M16: 19,681,395 km (0.092 R)
• M17: 21,461,460 km (0.07 R)
• M18: 22,030,082 km (0.066 R)
• M19: 22,755,183 km (0.105 R)
• M20: 23,570,940 km (0.1 R)
• M21: 25,261,096 km (0.115 R)
• M22: 26,216,428 km (0.043 R)
• M23: 26,784,751 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.7

Radius: 12.4

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.28 AU - 5.02 AU

Year: 6578 Days

Day: 7.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,515,080 km

• M1: 158,723 km (0.104 R)
• M2: 1,301,950 km (0.093 R)
• M3: 1,852,321 km (0.111 R)
• M4: 2,376,063 km (0.097 R)
• M5: 3,054,190 km (0.093 R)
• M6: 4,202,803 km (0.071 R)
• M7: 4,618,834 km (0.06 R)
• M8: 5,477,376 km (0.057 R)
• M9: 5,975,089 km (0.1 R)
• M10: 6,407,726 km (0.099 R)
• M11: 6,961,088 km (0.113 R)
• M12: 8,697,620 km (0.08 R)
• M13: 9,542,100 km (0.113 R)
• M14: 9,962,919 km (0.091 R)
• M15: 12,604,369 km (0.098 R)
• M16: 13,111,805 km (0.1 R)
• M17: 15,508,362 km (0.112 R)
• M18: 16,032,404 km (0.079 R)
• M19: 16,568,263 km (0.098 R)
• M20: 17,116,091 km (0.077 R)
• M21: 18,701,230 km (0.098 R)
• M22: 19,362,004 km (0.079 R)
• M23: 21,438,123 km (0.068 R)
• M24: 22,088,874 km (0.09 R)
• M25: 22,530,038 km (0.051 R)
• M26: 23,052,134 km (0.074 R)
• M27: 24,043,071 km (0.114 R)
• M28: 24,982,844 km (0.091 R)
• M29: 26,520,711 km (0.04 R)
• M30: 28,726,232 km (0.119 R)
• M31: 29,428,893 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.6

Radius: 7.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.92 AU - 10.38 AU

Year: 19665 Days

Day: 21.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,515,080 km

• M1: 97,089 km (0.101 R)
• M2: 383,419 km (0.046 R)
• M3: 886,367 km (0.073 R)
• M4: 1,500,018 km (0.092 R)
• M5: 2,193,703 km (0.091 R)
• M6: 3,809,809 km (0.103 R)
• M7: 4,279,845 km (0.11 R)
• M8: 5,857,205 km (0.115 R)
• M9: 6,340,855 km (0.05 R)
• M10: 8,545,629 km (0.032 R)
• M11: 9,167,956 km (0.055 R)
• M12: 9,725,058 km (0.081 R)
• M13: 10,703,578 km (0.086 R)
• M14: 11,479,243 km (0.073 R)
• M15: 11,799,981 km (0.112 R)
• M16: 18,791,138 km (0.095 R)
• M17: 19,236,790 km (0.09 R)
• M18: 23,656,510 km (0.033 R)
• M19: 24,614,983 km (0.081 R)
• M20: 27,360,553 km (0.099 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: 433 - 11,666 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit