🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.78 AU - 1.16 AU

Year: 354 Days

Day: 21.2 Hours

Environment

Temp: 13 °C

Axial Tilt: 2.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.86 AU - 1.24 AU

Year: 399 Days

Day: 44.4 Hours

Environment

Temp: 31 °C

Axial Tilt: 19.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 106,777,690 km

• M1: 340,335 km (0.068 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.01 AU - 1.09 AU

Year: 399 Days

Day: 30.7 Hours

Environment

Temp: 21 °C

Axial Tilt: 20.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.08 AU - 1.5 AU

Year: 543 Days

Day: 38.4 Hours

Environment

Temp: -6 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 106,777,690 km

• M1: 262,843 km (0.027 R)

Asteroid Belt

Center: 4.03 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.3

Radius: 10.5

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.49 AU - 7.03 AU

Year: 6518 Days

Day: 10.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 106,777,690 km

• M1: 131,197 km (0.078 R)
• M2: 460,013 km (0.067 R)
• M3: 813,214 km (0.102 R)
• M4: 1,632,711 km (0.062 R)
• M5: 1,959,583 km (0.079 R)
• M6: 2,330,884 km (0.085 R)
• M7: 2,882,601 km (0.109 R)
• M8: 3,799,636 km (0.117 R)
• M9: 4,755,417 km (0.09 R)
• M10: 5,645,824 km (0.066 R)
• M11: 6,826,151 km (0.064 R)
• M12: 8,443,902 km (0.118 R)
• M13: 9,514,275 km (0.062 R)
• M14: 12,147,646 km (0.111 R)
• M15: 18,805,200 km (0.107 R)
• M16: 19,794,491 km (0.037 R)
• M17: 20,558,787 km (0.116 R)
• M18: 23,109,580 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.6

Radius: 10.7

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.61 AU - 8.77 AU

Year: 8692 Days

Day: 14.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 106,777,690 km

• M1: 133,142 km (0.076 R)
• M2: 474,524 km (0.058 R)
• M3: 922,121 km (0.114 R)
• M4: 1,325,138 km (0.068 R)
• M5: 1,686,118 km (0.096 R)
• M6: 2,071,631 km (0.085 R)
• M7: 3,828,509 km (0.103 R)
• M8: 5,361,139 km (0.071 R)
• M9: 7,912,082 km (0.108 R)
• M10: 9,159,429 km (0.057 R)
• M11: 9,951,998 km (0.079 R)
• M12: 10,962,682 km (0.102 R)
• M13: 17,359,636 km (0.106 R)
• M14: 20,762,240 km (0.093 R)
• M15: 23,119,005 km (0.049 R)
• M16: 23,918,306 km (0.034 R)
• M17: 25,265,734 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.7

Radius: 10

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.8 AU - 9.94 AU

Year: 8980 Days

Day: 11.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 106,777,690 km

• M1: 141,669 km (0.06 R)
• M2: 553,512 km (0.106 R)
• M3: 1,212,341 km (0.118 R)
• M4: 1,892,862 km (0.059 R)
• M5: 2,383,543 km (0.091 R)
• M6: 3,328,253 km (0.081 R)
• M7: 7,305,163 km (0.086 R)
• M8: 13,520,207 km (0.118 R)
• M9: 13,946,561 km (0.028 R)
• M10: 14,995,242 km (0.096 R)
• M11: 15,567,753 km (0.108 R)
• M12: 16,756,757 km (0.116 R)
• M13: 18,391,712 km (0.108 R)
• M14: 19,924,342 km (0.118 R)
• M15: 21,757,365 km (0.076 R)
• M16: 22,939,786 km (0.074 R)
• M17: 23,931,620 km (0.098 R)
• M18: 25,674,884 km (0.074 R)
• M19: 28,272,801 km (0.048 R)
• M20: 29,235,313 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.8

Radius: 6.8

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 13.36 AU - 21.16 AU

Year: 26593 Days

Day: 18.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 106,777,690 km

• M1: 84,672 km (0.081 R)
• M2: 369,656 km (0.051 R)
• M3: 678,277 km (0.042 R)
• M4: 922,420 km (0.03 R)
• M5: 1,211,294 km (0.085 R)
• M6: 1,973,794 km (0.075 R)
• M7: 3,273,501 km (0.029 R)
• M8: 4,360,628 km (0.108 R)
• M9: 5,504,005 km (0.086 R)
• M10: 5,882,936 km (0.075 R)
• M11: 6,646,185 km (0.089 R)
• M12: 11,818,082 km (0.092 R)
• M13: 12,520,444 km (0.065 R)
• M14: 13,625,823 km (0.118 R)
• M15: 14,714,895 km (0.087 R)
• M16: 27,249,252 km (0.08 R)
• M17: 28,101,960 km (0.097 R)
• M18: 35,862,798 km (0.095 R)
• M19: 36,592,088 km (0.113 R)
• M20: 39,453,147 km (0.029 R)
• M21: 44,102,200 km (0.109 R)
• M22: 44,435,654 km (0.079 R)
• M23: 47,338,301 km (0.113 R)
• M24: 55,239,762 km (0.117 R)
• M25: 57,791,004 km (0.116 R)
• M26: 60,831,132 km (0.085 R)
• M27: 69,006,506 km (0.074 R)
• M28: 75,955,626 km (0.11 R)
• M29: 78,860,966 km (0.114 R)
• M30: 81,088,030 km (0.066 R)
• M31: 84,892,304 km (0.064 R)
• M32: 85,667,221 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.4

Radius: 4.6

Gravity: 42.46 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 15.21 AU - 21.39 AU

Year: 29032 Days

Day: 16.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 106,777,690 km

• M1: 66,272 km (0.113 R)
• M2: 255,812 km (0.088 R)
• M3: 424,708 km (0.097 R)
• M4: 700,567 km (0.039 R)
• M5: 1,209,200 km (0.065 R)
• M6: 1,704,817 km (0.078 R)
• M7: 3,620,268 km (0.115 R)
• M8: 4,069,361 km (0.082 R)
• M9: 4,214,920 km (0.032 R)
• M10: 5,204,211 km (0.12 R)
• M11: 7,042,170 km (0.043 R)
• M12: 8,721,107 km (0.051 R)
• M13: 9,977,879 km (0.051 R)
• M14: 18,104,933 km (0.106 R)
• M15: 19,407,930 km (0.078 R)
• M16: 23,807,304 km (0.041 R)
• M17: 29,230,227 km (0.11 R)
• M18: 33,465,642 km (0.109 R)
• M19: 44,007,954 km (0.072 R)
• M20: 51,484,706 km (0.111 R)
• M21: 54,698,068 km (0.11 R)
• M22: 62,860,128 km (0.118 R)
• M23: 65,365,892 km (0.096 R)
• M24: 84,247,836 km (0.061 R)
• M25: 88,132,893 km (0.077 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: 362 - 17,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit