🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.4

Radius: 11.7

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.53 AU - 0.63 AU

Year: 310 Days

Day: 12.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,791,078 km

• M1: 149,747 km (0.06 R)
• M2: 571,613 km (0.119 R)
• M3: 1,848,431 km (0.109 R)
• M4: 2,288,548 km (0.07 R)
• M5: 2,740,633 km (0.119 R)
• M6: 3,273,949 km (0.099 R)
• M7: 4,037,347 km (0.037 R)
• M8: 4,688,397 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.6

Radius: 11.5

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.5 AU - 0.83 AU

Year: 377 Days

Day: 6.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,791,078 km

• M1: 143,764 km (0.109 R)
• M2: 581,038 km (0.118 R)
• M3: 988,992 km (0.049 R)
• M4: 1,421,928 km (0.06 R)
• M5: 1,918,293 km (0.104 R)
• M6: 2,452,956 km (0.1 R)
• M7: 3,074,386 km (0.07 R)
• M8: 3,760,142 km (0.109 R)
• M9: 4,235,415 km (0.05 R)
• M10: 4,617,937 km (0.09 R)
• M11: 5,211,541 km (0.107 R)
• M12: 5,736,031 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.2

Radius: 10.3

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.6 AU - 0.98 AU

Year: 494 Days

Day: 10.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,791,078 km

• M1: 128,205 km (0.101 R)
• M2: 453,431 km (0.078 R)
• M3: 862,731 km (0.095 R)
• M4: 1,212,042 km (0.096 R)
• M5: 1,664,276 km (0.055 R)
• M6: 2,977,446 km (0.103 R)
• M7: 3,601,419 km (0.072 R)
• M8: 4,228,833 km (0.069 R)
• M9: 4,676,878 km (0.034 R)
• M10: 5,033,520 km (0.059 R)
• M11: 5,537,365 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.2

Radius: 11

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.66 AU - 1.04 AU

Year: 551 Days

Day: 8.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,791,078 km

• M1: 137,331 km (0.114 R)
• M2: 534,962 km (0.109 R)
• M3: 1,009,038 km (0.099 R)
• M4: 1,366,876 km (0.091 R)
• M5: 2,075,820 km (0.081 R)
• M6: 3,628,945 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.5

Radius: 14

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.07 AU - 3.41 AU

Year: 3188 Days

Day: 6.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,791,078 km

• M1: 176,376 km (0.099 R)
• M2: 1,168,060 km (0.11 R)
• M3: 1,739,374 km (0.051 R)
• M4: 2,424,084 km (0.095 R)
• M5: 2,862,854 km (0.067 R)
• M6: 4,128,153 km (0.095 R)
• M7: 4,669,548 km (0.117 R)
• M8: 5,185,062 km (0.106 R)
• M9: 5,764,604 km (0.101 R)
• M10: 6,275,780 km (0.116 R)
• M11: 7,451,919 km (0.066 R)
• M12: 9,632,756 km (0.103 R)
• M13: 10,551,287 km (0.088 R)
• M14: 11,113,476 km (0.117 R)
• M15: 12,562,780 km (0.119 R)
• M16: 14,473,893 km (0.112 R)
• M17: 15,990,367 km (0.101 R)
• M18: 17,554,712 km (0.101 R)
• M19: 18,003,655 km (0.096 R)
• M20: 18,460,377 km (0.095 R)
• M21: 19,042,163 km (0.031 R)
• M22: 19,516,239 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.9

Radius: 9.8

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.93 AU - 5.35 AU

Year: 8191 Days

Day: 11.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,791,078 km

• M1: 122,072 km (0.078 R)
• M2: 442,660 km (0.115 R)
• M3: 1,178,831 km (0.115 R)
• M4: 1,598,304 km (0.074 R)
• M5: 2,544,510 km (0.053 R)
• M6: 3,510,613 km (0.069 R)
• M7: 4,041,087 km (0.067 R)
• M8: 4,867,316 km (0.116 R)
• M9: 6,247,207 km (0.118 R)
• M10: 7,459,698 km (0.097 R)
• M11: 8,497,458 km (0.076 R)
• M12: 8,946,701 km (0.085 R)
• M13: 9,760,214 km (0.059 R)
• M14: 10,071,976 km (0.112 R)
• M15: 10,952,210 km (0.107 R)
• M16: 11,633,030 km (0.043 R)
• M17: 12,034,401 km (0.113 R)
• M18: 13,568,078 km (0.115 R)
• M19: 14,125,929 km (0.033 R)
• M20: 15,168,626 km (0.058 R)
• M21: 16,076,086 km (0.113 R)
• M22: 19,223,476 km (0.066 R)
• M23: 19,785,216 km (0.072 R)
• M24: 25,011,418 km (0.1 R)
• M25: 26,276,716 km (0.064 R)
• M26: 27,143,636 km (0.112 R)
• M27: 29,209,882 km (0.103 R)
• M28: 31,766,659 km (0.107 R)
• M29: 33,652,939 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.8

Radius: 5.6

Gravity: 20.05 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.91 AU - 10.43 AU

Year: 17945 Days

Day: 23.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,791,078 km

• M1: 74,350 km (0.104 R)
• M2: 287,976 km (0.081 R)
• M3: 477,217 km (0.079 R)
• M4: 781,649 km (0.097 R)
• M5: 1,019,659 km (0.1 R)
• M6: 1,627,176 km (0.12 R)
• M7: 2,019,422 km (0.086 R)
• M8: 2,197,144 km (0.104 R)
• M9: 4,021,939 km (0.112 R)
• M10: 5,648,666 km (0.101 R)
• M11: 5,844,190 km (0.108 R)
• M12: 6,585,747 km (0.093 R)
• M13: 6,802,365 km (0.094 R)
• M14: 7,068,799 km (0.073 R)
• M15: 7,296,038 km (0.069 R)
• M16: 8,557,148 km (0.088 R)
• M17: 10,300,711 km (0.068 R)
• M18: 10,771,047 km (0.093 R)
• M19: 12,267,923 km (0.081 R)
• M20: 13,408,756 km (0.095 R)
• M21: 16,289,862 km (0.1 R)
• M22: 17,417,381 km (0.107 R)
• M23: 18,855,316 km (0.091 R)
• M24: 19,116,962 km (0.028 R)
• M25: 19,381,152 km (0.108 R)
• M26: 20,831,204 km (0.111 R)
• M27: 21,110,952 km (0.104 R)
• M28: 22,254,927 km (0.104 R)
• M29: 23,040,166 km (0.096 R)
• M30: 27,468,114 km (0.118 R)
• M31: 45,322,919 km (0.114 R)
• M32: 46,582,832 km (0.085 R)
• M33: 51,345,580 km (0.091 R)
• M34: 54,107,455 km (0.086 R)
• M35: 59,737,123 km (0.089 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 10,700 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit