🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.43 AU - 0.61 AU

Year: 242 Days

Day: 23.1 Hours

Environment

Temp: -123 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.7

Radius: 9.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.83 AU - 0.95 AU

Year: 542 Days

Day: 12.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,518,087 km

• M1: 121,025 km (0.088 R)
• M2: 502,798 km (0.036 R)
• M3: 814,710 km (0.11 R)
• M4: 1,578,706 km (0.046 R)
• M5: 2,006,855 km (0.058 R)
• M6: 2,521,173 km (0.102 R)
• M7: 2,879,161 km (0.107 R)
• M8: 3,212,913 km (0.12 R)
• M9: 4,121,571 km (0.057 R)
• M10: 4,576,797 km (0.084 R)
• M11: 5,049,527 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.3

Radius: 10.1

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.91 AU - 1.39 AU

Year: 796 Days

Day: 8.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,518,087 km

• M1: 125,662 km (0.111 R)
• M2: 475,871 km (0.057 R)
• M3: 836,551 km (0.047 R)
• M4: 1,347,877 km (0.079 R)
• M5: 1,709,754 km (0.105 R)
• M6: 2,261,321 km (0.089 R)
• M7: 2,778,481 km (0.083 R)
• M8: 4,036,899 km (0.087 R)
• M9: 5,290,678 km (0.097 R)
• M10: 5,813,523 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.8

Radius: 10.6

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.28 AU - 1.4 AU

Year: 1002 Days

Day: 7.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,518,087 km

• M1: 131,796 km (0.042 R)
• M2: 623,075 km (0.103 R)
• M3: 1,024,297 km (0.063 R)
• M4: 1,362,388 km (0.086 R)
• M5: 1,767,948 km (0.099 R)
• M6: 2,182,334 km (0.111 R)
• M7: 2,673,015 km (0.098 R)
• M8: 3,130,635 km (0.036 R)
• M9: 3,757,450 km (0.109 R)
• M10: 4,252,619 km (0.092 R)
• M11: 5,412,152 km (0.097 R)
• M12: 6,379,900 km (0.111 R)
• M13: 7,018,085 km (0.119 R)
• M14: 7,506,522 km (0.08 R)
• M15: 8,092,347 km (0.112 R)
• M16: 8,577,493 km (0.082 R)
• M17: 8,920,521 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.2

Radius: 14.1

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.1 AU - 2.78 AU

Year: 2461 Days

Day: 12.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,518,087 km

• M1: 175,478 km (0.084 R)
• M2: 643,570 km (0.109 R)
• M3: 1,213,987 km (0.114 R)
• M4: 2,501,276 km (0.118 R)
• M5: 3,326,907 km (0.054 R)
• M6: 3,823,572 km (0.084 R)
• M7: 4,695,877 km (0.101 R)
• M8: 5,348,423 km (0.1 R)
• M9: 6,061,107 km (0.111 R)
• M10: 6,524,113 km (0.1 R)
• M11: 7,069,696 km (0.11 R)
• M12: 7,676,764 km (0.109 R)
• M13: 8,219,954 km (0.051 R)
• M14: 8,788,725 km (0.087 R)
• M15: 9,783,102 km (0.119 R)
• M16: 10,811,588 km (0.093 R)
• M17: 12,122,663 km (0.105 R)
• M18: 12,597,038 km (0.038 R)
• M19: 13,128,709 km (0.075 R)
• M20: 14,237,080 km (0.108 R)
• M21: 15,658,559 km (0.034 R)
• M22: 16,534,903 km (0.119 R)
• M23: 17,882,481 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.9

Radius: 8.8

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.43 AU - 2.61 AU

Year: 2583 Days

Day: 13.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,518,087 km

• M1: 112,348 km (0.113 R)
• M2: 391,198 km (0.113 R)
• M3: 1,044,941 km (0.056 R)
• M4: 1,765,853 km (0.1 R)
• M5: 2,176,350 km (0.075 R)
• M6: 2,832,187 km (0.1 R)
• M7: 6,059,911 km (0.12 R)
• M8: 6,712,456 km (0.077 R)
• M9: 8,615,192 km (0.115 R)
• M10: 10,543,808 km (0.099 R)
• M11: 12,230,673 km (0.108 R)
• M12: 12,787,327 km (0.113 R)
• M13: 13,316,155 km (0.063 R)
• M14: 14,276,574 km (0.056 R)
• M15: 15,233,551 km (0.116 R)
• M16: 17,866,474 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.8

Radius: 11.4

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.5 AU - 2.82 AU

Year: 2801 Days

Day: 12.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,518,087 km

• M1: 154,535 km (0.102 R)
• M2: 517,459 km (0.115 R)
• M3: 1,472,193 km (0.085 R)
• M4: 2,330,286 km (0.085 R)
• M5: 3,031,900 km (0.066 R)
• M6: 4,026,127 km (0.083 R)
• M7: 5,131,057 km (0.1 R)
• M8: 6,104,790 km (0.114 R)
• M9: 6,762,721 km (0.109 R)
• M10: 7,900,563 km (0.116 R)
• M11: 10,024,853 km (0.085 R)
• M12: 11,705,734 km (0.103 R)
• M13: 13,296,259 km (0.066 R)
• M14: 17,113,248 km (0.113 R)
• M15: 17,596,150 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.1

Radius: 14.5

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.71 AU - 2.81 AU

Year: 2961 Days

Day: 10.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,518,087 km

• M1: 180,415 km (0.076 R)
• M2: 1,252,882 km (0.087 R)
• M3: 1,796,072 km (0.034 R)
• M4: 2,482,726 km (0.028 R)
• M5: 4,609,559 km (0.068 R)
• M6: 5,073,911 km (0.118 R)
• M7: 6,373,916 km (0.088 R)
• M8: 7,534,347 km (0.045 R)
• M9: 8,831,211 km (0.11 R)
• M10: 10,546,949 km (0.084 R)
• M11: 11,779,785 km (0.062 R)
• M12: 13,337,249 km (0.109 R)
• M13: 14,141,636 km (0.067 R)
• M14: 15,383,149 km (0.081 R)
• M15: 18,599,802 km (0.051 R)
• M16: 20,957,614 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.9

Radius: 7.7

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.2 AU - 6.94 AU

Year: 10873 Days

Day: 24 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,518,087 km

• M1: 95,743 km (0.071 R)
• M2: 362,924 km (0.065 R)
• M3: 608,415 km (0.095 R)
• M4: 1,219,073 km (0.108 R)
• M5: 1,903,035 km (0.043 R)
• M6: 2,637,710 km (0.076 R)
• M7: 3,089,794 km (0.092 R)
• M8: 3,397,966 km (0.041 R)
• M9: 6,586,794 km (0.058 R)
• M10: 7,897,870 km (0.056 R)
• M11: 8,634,939 km (0.089 R)
• M12: 9,374,700 km (0.119 R)
• M13: 9,673,597 km (0.108 R)
• M14: 10,111,470 km (0.077 R)
• M15: 10,886,387 km (0.077 R)
• M16: 12,197,313 km (0.042 R)
• M17: 12,917,028 km (0.075 R)
• M18: 20,218,751 km (0.084 R)
• M19: 22,798,715 km (0.12 R)
• M20: 24,933,178 km (0.042 R)
• M21: 25,839,891 km (0.113 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 13,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit