🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.5

Radius: 12.5

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.59 AU - 0.71 AU

Year: 355 Days

Day: 7 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,614,151 km

• M1: 156,031 km (0.069 R)
• M2: 622,926 km (0.074 R)
• M3: 1,048,980 km (0.108 R)
• M4: 1,756,429 km (0.101 R)
• M5: 2,747,814 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.1

Radius: 10.3

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.71 AU - 0.77 AU

Year: 432 Days

Day: 15 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,614,151 km

• M1: 128,056 km (0.1 R)
• M2: 450,140 km (0.093 R)
• M3: 788,082 km (0.092 R)
• M4: 1,145,920 km (0.067 R)
• M5: 1,563,896 km (0.086 R)
• M6: 2,289,895 km (0.053 R)
• M7: 2,652,221 km (0.117 R)
• M8: 3,110,140 km (0.101 R)
• M9: 3,531,557 km (0.055 R)
• M10: 3,936,518 km (0.063 R)
• M11: 4,445,600 km (0.12 R)
• M12: 4,840,090 km (0.097 R)
• M13: 5,357,848 km (0.098 R)
• M14: 6,129,773 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302

Radius: 13.1

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.71 AU - 0.97 AU

Year: 522 Days

Day: 6.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,614,151 km

• M1: 162,912 km (0.046 R)
• M2: 695,032 km (0.088 R)
• M3: 1,135,597 km (0.071 R)
• M4: 1,958,685 km (0.114 R)
• M5: 2,913,119 km (0.089 R)
• M6: 3,771,512 km (0.065 R)
• M7: 4,487,188 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.7

Radius: 10.7

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.78 AU - 0.94 AU

Year: 541 Days

Day: 13.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 53.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,614,151 km

• M1: 133,292 km (0.09 R)
• M2: 512,822 km (0.112 R)
• M3: 1,140,085 km (0.108 R)
• M4: 1,605,335 km (0.077 R)
• M5: 1,938,489 km (0.113 R)
• M6: 2,641,150 km (0.049 R)
• M7: 3,182,545 km (0.057 R)
• M8: 3,675,919 km (0.072 R)
• M9: 4,945,706 km (0.084 R)
• M10: 5,627,423 km (0.056 R)
• M11: 6,806,554 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.8

Radius: 10.7

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.98 AU - 2.16 AU

Year: 2020 Days

Day: 6.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,614,151 km

• M1: 133,142 km (0.033 R)
• M2: 476,020 km (0.099 R)
• M3: 885,320 km (0.094 R)
• M4: 1,449,603 km (0.091 R)
• M5: 2,047,097 km (0.079 R)
• M6: 2,559,769 km (0.093 R)
• M7: 3,061,371 km (0.069 R)
• M8: 4,049,614 km (0.081 R)
• M9: 4,948,698 km (0.094 R)
• M10: 5,634,604 km (0.058 R)
• M11: 6,151,614 km (0.12 R)
• M12: 6,566,599 km (0.069 R)
• M13: 7,395,221 km (0.046 R)
• M14: 7,745,579 km (0.037 R)
• M15: 8,137,675 km (0.096 R)
• M16: 10,016,176 km (0.116 R)
• M17: 10,445,821 km (0.08 R)
• M18: 12,740,054 km (0.106 R)
• M19: 14,839,660 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.5

Radius: 14.8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.02 AU - 3.04 AU

Year: 2729 Days

Day: 11 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,614,151 km

• M1: 184,005 km (0.097 R)
• M2: 661,971 km (0.051 R)
• M3: 1,212,940 km (0.116 R)
• M4: 1,942,678 km (0.109 R)
• M5: 2,410,620 km (0.09 R)
• M6: 2,906,537 km (0.065 R)
• M7: 3,694,319 km (0.097 R)
• M8: 4,643,368 km (0.116 R)
• M9: 5,152,151 km (0.11 R)
• M10: 5,698,183 km (0.105 R)
• M11: 6,228,059 km (0.084 R)
• M12: 6,704,229 km (0.044 R)
• M13: 7,356,774 km (0.109 R)
• M14: 7,921,955 km (0.091 R)
• M15: 8,583,926 km (0.109 R)
• M16: 9,682,872 km (0.036 R)
• M17: 10,324,347 km (0.1 R)
• M18: 12,596,141 km (0.096 R)
• M19: 15,084,252 km (0.063 R)
• M20: 17,331,512 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.9

Radius: 10.2

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.41 AU - 3.21 AU

Year: 3195 Days

Day: 5.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,614,151 km

• M1: 126,859 km (0.091 R)
• M2: 796,908 km (0.078 R)
• M3: 1,254,378 km (0.11 R)
• M4: 1,836,314 km (0.064 R)
• M5: 2,264,014 km (0.111 R)
• M6: 2,635,316 km (0.039 R)
• M7: 3,097,723 km (0.101 R)
• M8: 4,886,465 km (0.118 R)
• M9: 5,289,631 km (0.034 R)
• M10: 5,818,011 km (0.049 R)
• M11: 6,298,669 km (0.081 R)
• M12: 6,922,043 km (0.086 R)
• M13: 7,248,914 km (0.092 R)
• M14: 8,358,183 km (0.07 R)
• M15: 12,802,436 km (0.117 R)
• M16: 16,009,815 km (0.075 R)
• M17: 17,170,245 km (0.108 R)
• M18: 18,727,110 km (0.114 R)
• M19: 19,305,306 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.2

Radius: 5.6

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.65 AU - 6.37 AU

Year: 9993 Days

Day: 22.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 39,614,151 km

• M1: 69,713 km (0.085 R)
• M2: 508,184 km (0.093 R)
• M3: 839,394 km (0.087 R)
• M4: 1,044,044 km (0.045 R)
• M5: 1,247,646 km (0.078 R)
• M6: 2,138,352 km (0.103 R)
• M7: 2,451,610 km (0.113 R)
• M8: 2,957,700 km (0.119 R)
• M9: 3,257,793 km (0.044 R)
• M10: 4,071,306 km (0.117 R)
• M11: 4,836,948 km (0.096 R)
• M12: 5,694,293 km (0.093 R)
• M13: 7,705,637 km (0.052 R)
• M14: 8,067,963 km (0.118 R)
• M15: 8,274,109 km (0.07 R)
• M16: 9,494,229 km (0.093 R)
• M17: 10,052,079 km (0.114 R)
• M18: 10,435,947 km (0.094 R)
• M19: 10,730,356 km (0.085 R)
• M20: 10,929,620 km (0.089 R)
• M21: 17,704,310 km (0.098 R)
• M22: 20,014,250 km (0.097 R)
• M23: 20,852,597 km (0.118 R)
• M24: 23,009,200 km (0.104 R)
• M25: 25,222,201 km (0.119 R)
• M26: 26,109,765 km (0.102 R)
• M27: 27,294,730 km (0.117 R)
• M28: 27,853,478 km (0.096 R)
• M29: 33,760,499 km (0.109 R)
• M30: 35,495,236 km (0.113 R)
• M31: 36,609,142 km (0.104 R)
• M32: 38,207,595 km (0.081 R)
• M33: 39,259,268 km (0.061 R)
• M34: 39,495,633 km (0.055 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 18,011 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit