🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.47 AU - 0.59 AU

Year: 136 Days

Day: 31.3 Hours

Environment

Temp: 191 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.61 AU - 2.65 AU

Year: 1506 Days

Day: 25.7 Hours

Environment

Temp: -71 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.64 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.3

Radius: 10.7

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.25 AU - 8.05 AU

Year: 6055 Days

Day: 13.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,844,652 km

• M1: 133,142 km (0.099 R)
• M2: 475,123 km (0.105 R)
• M3: 834,607 km (0.081 R)
• M4: 1,282,054 km (0.041 R)
• M5: 1,977,833 km (0.081 R)
• M6: 2,714,154 km (0.057 R)
• M7: 3,694,619 km (0.098 R)
• M8: 4,345,220 km (0.05 R)
• M9: 4,867,765 km (0.038 R)
• M10: 6,410,718 km (0.095 R)
• M11: 9,104,227 km (0.06 R)
• M12: 9,730,893 km (0.114 R)
• M13: 12,367,256 km (0.118 R)
• M14: 12,968,939 km (0.115 R)
• M15: 13,647,215 km (0.074 R)
• M16: 14,952,307 km (0.048 R)
• M17: 16,929,991 km (0.113 R)
• M18: 25,268,128 km (0.088 R)
• M19: 26,505,601 km (0.067 R)
• M20: 29,292,460 km (0.116 R)
• M21: 32,577,480 km (0.114 R)
• M22: 34,576,107 km (0.068 R)
• M23: 35,989,957 km (0.104 R)
• M24: 37,441,953 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.3

Radius: 11.4

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.33 AU - 10.71 AU

Year: 11200 Days

Day: 9.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,844,652 km

• M1: 187,147 km (0.073 R)
• M2: 693,985 km (0.114 R)
• M3: 1,684,921 km (0.026 R)
• M4: 2,820,817 km (0.056 R)
• M5: 3,227,724 km (0.099 R)
• M6: 3,844,516 km (0.094 R)
• M7: 5,861,394 km (0.09 R)
• M8: 12,746,935 km (0.112 R)
• M9: 18,506,154 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.5

Radius: 10.8

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 12.19 AU - 12.57 AU

Year: 15381 Days

Day: 12.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,844,652 km

• M1: 134,488 km (0.099 R)
• M2: 627,862 km (0.073 R)
• M3: 1,220,868 km (0.087 R)
• M4: 2,213,600 km (0.11 R)
• M5: 4,489,283 km (0.079 R)
• M6: 5,352,013 km (0.062 R)
• M7: 6,572,582 km (0.053 R)
• M8: 10,523,612 km (0.057 R)
• M9: 13,579,298 km (0.082 R)
• M10: 15,698,501 km (0.103 R)
• M11: 17,043,386 km (0.054 R)
• M12: 19,202,682 km (0.089 R)
• M13: 21,700,518 km (0.114 R)
• M14: 25,207,540 km (0.065 R)
• M15: 31,514,287 km (0.1 R)
• M16: 36,104,997 km (0.062 R)
• M17: 36,449,072 km (0.114 R)
• M18: 38,083,579 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.2

Radius: 7.6

Gravity: 16.23 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 14.82 AU - 15.92 AU

Year: 21277 Days

Day: 22.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,844,652 km

• M1: 95,593 km (0.09 R)
• M2: 726,746 km (0.096 R)
• M3: 1,294,919 km (0.105 R)
• M4: 2,516,535 km (0.061 R)
• M5: 2,869,138 km (0.077 R)
• M6: 3,341,568 km (0.084 R)
• M7: 4,061,881 km (0.088 R)
• M8: 4,548,673 km (0.11 R)
• M9: 4,843,829 km (0.096 R)
• M10: 8,001,093 km (0.084 R)
• M11: 8,542,487 km (0.116 R)
• M12: 20,648,545 km (0.057 R)
• M13: 25,374,940 km (0.119 R)
• M14: 25,953,884 km (0.111 R)
• M15: 33,327,414 km (0.087 R)
• M16: 49,650,187 km (0.061 R)
• M17: 50,920,871 km (0.069 R)
• M18: 56,220,376 km (0.119 R)
• M19: 61,667,833 km (0.055 R)
• M20: 66,140,360 km (0.028 R)
• M21: 71,740,856 km (0.117 R)
• M22: 74,538,037 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.9

Radius: 3.3

Gravity: 82.54 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 14.28 AU - 22.06 AU

Year: 27348 Days

Day: 24.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 125.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,844,652 km

• M1: 40,990 km (0.118 R)
• M2: 166,652 km (0.102 R)
• M3: 360,232 km (0.082 R)
• M4: 518,805 km (0.057 R)
• M5: 1,163,423 km (0.104 R)
• M6: 1,568,234 km (0.116 R)
• M7: 2,105,440 km (0.113 R)
• M8: 2,317,271 km (0.055 R)
• M9: 2,755,892 km (0.094 R)
• M10: 3,371,188 km (0.079 R)
• M11: 4,477,165 km (0.117 R)
• M12: 6,315,424 km (0.089 R)
• M13: 6,755,391 km (0.088 R)
• M14: 8,899,428 km (0.114 R)
• M15: 11,744,480 km (0.104 R)
• M16: 12,333,148 km (0.093 R)
• M17: 13,174,486 km (0.099 R)
• M18: 14,217,183 km (0.091 R)
• M19: 14,465,366 km (0.087 R)
• M20: 16,015,798 km (0.08 R)
• M21: 17,483,802 km (0.118 R)
• M22: 20,790,214 km (0.04 R)
• M23: 21,325,027 km (0.088 R)
• M24: 25,570,315 km (0.119 R)
• M25: 25,692,238 km (0.097 R)
• M26: 28,343,860 km (0.103 R)
• M27: 30,482,511 km (0.096 R)
• M28: 32,439,849 km (0.053 R)
• M29: 39,134,205 km (0.099 R)
• M30: 40,277,581 km (0.091 R)
• M31: 48,349,882 km (0.087 R)
• M32: 66,206,034 km (0.053 R)
• M33: 73,340,356 km (0.091 R)
• M34: 79,144,454 km (0.101 R)
• M35: 87,995,562 km (0.111 R)
• M36: 98,079,356 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.6

Radius: 7

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 17.49 AU - 23.61 AU

Year: 32894 Days

Day: 18.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 134.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,844,652 km

• M1: 91,404 km (0.042 R)
• M2: 373,396 km (0.07 R)
• M3: 1,610,122 km (0.102 R)
• M4: 2,399,251 km (0.086 R)
• M5: 3,238,644 km (0.037 R)
• M6: 3,986,634 km (0.11 R)
• M7: 7,226,624 km (0.1 R)
• M8: 11,832,444 km (0.093 R)
• M9: 12,982,851 km (0.084 R)
• M10: 14,917,600 km (0.114 R)
• M11: 15,135,714 km (0.049 R)
• M12: 16,489,276 km (0.089 R)
• M13: 18,003,655 km (0.089 R)
• M14: 18,752,392 km (0.111 R)
• M15: 19,958,151 km (0.119 R)
• M16: 27,745,019 km (0.076 R)
• M17: 30,811,177 km (0.038 R)
• M18: 34,348,270 km (0.048 R)
• M19: 35,369,724 km (0.105 R)
• M20: 39,380,592 km (0.062 R)
• M21: 40,640,506 km (0.117 R)
• M22: 42,653,345 km (0.061 R)
• M23: 43,981,924 km (0.119 R)
• M24: 50,221,651 km (0.074 R)
• M25: 58,097,081 km (0.106 R)

Kuiper Belt

Range: 31.1 - 61.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 14,509 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit