🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.48 AU - 0.58 AU

Year: 175 Days

Day: 37.2 Hours

Environment

Temp: 4 °C

Axial Tilt: 0.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.82 AU - 1.32 AU

Year: 501 Days

Day: 26.3 Hours

Environment

Temp: -74 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.66 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.4

Radius: 12.7

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.94 AU - 2.56 AU

Year: 1529 Days

Day: 14.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,879,620 km

• M1: 158,125 km (0.042 R)
• M2: 553,363 km (0.117 R)
• M3: 1,060,350 km (0.043 R)
• M4: 1,503,907 km (0.12 R)
• M5: 2,092,276 km (0.036 R)
• M6: 2,589,240 km (0.119 R)
• M7: 3,242,534 km (0.036 R)
• M8: 3,751,915 km (0.093 R)
• M9: 5,327,928 km (0.075 R)
• M10: 6,860,110 km (0.038 R)
• M11: 8,017,249 km (0.117 R)
• M12: 8,771,671 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.5

Radius: 10.3

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.11 AU - 4.21 AU

Year: 3172 Days

Day: 13.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,879,620 km

• M1: 128,056 km (0.119 R)
• M2: 883,974 km (0.078 R)
• M3: 1,213,688 km (0.117 R)
• M4: 1,608,925 km (0.075 R)
• M5: 2,146,729 km (0.088 R)
• M6: 2,639,206 km (0.118 R)
• M7: 5,125,971 km (0.118 R)
• M8: 6,127,379 km (0.069 R)
• M9: 9,242,904 km (0.057 R)
• M10: 11,034,489 km (0.097 R)
• M11: 11,426,136 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.7

Radius: 10.1

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.37 AU - 4.57 AU

Year: 4281 Days

Day: 14.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,879,620 km

• M1: 144,212 km (0.108 R)
• M2: 483,650 km (0.102 R)
• M3: 1,010,234 km (0.077 R)
• M4: 1,328,728 km (0.039 R)
• M5: 1,715,738 km (0.054 R)
• M6: 2,423,486 km (0.119 R)
• M7: 3,255,848 km (0.107 R)
• M8: 3,991,720 km (0.073 R)
• M9: 4,339,535 km (0.093 R)
• M10: 4,834,704 km (0.063 R)
• M11: 5,478,424 km (0.118 R)
• M12: 6,487,162 km (0.102 R)
• M13: 7,035,887 km (0.111 R)
• M14: 8,299,989 km (0.094 R)
• M15: 9,183,364 km (0.109 R)
• M16: 10,255,981 km (0.085 R)
• M17: 11,001,278 km (0.071 R)
• M18: 12,599,581 km (0.101 R)
• M19: 12,997,213 km (0.112 R)
• M20: 15,447,925 km (0.087 R)
• M21: 17,142,420 km (0.029 R)
• M22: 23,261,571 km (0.113 R)
• M23: 25,089,208 km (0.09 R)
• M24: 26,038,108 km (0.109 R)
• M25: 28,260,384 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.6

Radius: 13.9

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.79 AU - 6.95 AU

Year: 7284 Days

Day: 5.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,879,620 km

• M1: 208,390 km (0.102 R)
• M2: 648,806 km (0.071 R)
• M3: 1,153,250 km (0.12 R)
• M4: 4,178,269 km (0.074 R)
• M5: 5,270,333 km (0.109 R)
• M6: 5,852,119 km (0.081 R)
• M7: 14,616,759 km (0.092 R)
• M8: 16,272,359 km (0.05 R)
• M9: 19,808,254 km (0.093 R)
• M10: 21,067,419 km (0.096 R)
• M11: 25,080,681 km (0.106 R)
• M12: 26,819,906 km (0.053 R)
• M13: 27,628,333 km (0.081 R)
• M14: 28,917,867 km (0.079 R)
• M15: 31,025,102 km (0.068 R)
• M16: 35,435,996 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.3

Radius: 10.3

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.48 AU - 8.32 AU

Year: 8211 Days

Day: 7.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,879,620 km

• M1: 134,040 km (0.097 R)
• M2: 641,625 km (0.1 R)
• M3: 1,110,465 km (0.032 R)
• M4: 4,404,161 km (0.078 R)
• M5: 5,227,997 km (0.082 R)
• M6: 5,734,834 km (0.102 R)
• M7: 9,331,167 km (0.091 R)
• M8: 11,090,139 km (0.099 R)
• M9: 11,457,551 km (0.032 R)
• M10: 12,509,972 km (0.086 R)
• M11: 13,110,608 km (0.09 R)
• M12: 19,280,473 km (0.118 R)
• M13: 21,609,263 km (0.106 R)
• M14: 28,840,226 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.5

Radius: 6.9

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.93 AU - 11.79 AU

Year: 15107 Days

Day: 15.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,879,620 km

• M1: 85,869 km (0.061 R)
• M2: 411,245 km (0.047 R)
• M3: 1,143,377 km (0.07 R)
• M4: 1,716,336 km (0.1 R)
• M5: 2,007,155 km (0.088 R)
• M6: 2,349,734 km (0.06 R)
• M7: 2,626,639 km (0.045 R)
• M8: 3,152,326 km (0.052 R)
• M9: 3,465,285 km (0.05 R)
• M10: 4,097,336 km (0.068 R)
• M11: 4,620,031 km (0.052 R)
• M12: 4,834,854 km (0.109 R)
• M13: 6,231,200 km (0.117 R)
• M14: 6,725,172 km (0.082 R)
• M15: 7,877,375 km (0.048 R)
• M16: 11,491,360 km (0.12 R)
• M17: 15,185,530 km (0.041 R)
• M18: 15,869,791 km (0.086 R)
• M19: 16,290,011 km (0.1 R)
• M20: 18,812,979 km (0.089 R)
• M21: 19,842,961 km (0.119 R)
• M22: 21,330,263 km (0.074 R)
• M23: 28,331,593 km (0.092 R)
• M24: 32,066,902 km (0.1 R)
• M25: 33,078,034 km (0.11 R)
• M26: 34,342,435 km (0.06 R)
• M27: 37,212,321 km (0.1 R)
• M28: 38,078,492 km (0.073 R)
• M29: 39,851,227 km (0.093 R)
• M30: 49,101,013 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.5

Radius: 3.1

Gravity: 14.1 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 13.27 AU - 13.71 AU

Year: 22447 Days

Day: 20.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 150.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,879,620 km

• M1: 41,439 km (0.111 R)
• M2: 241,900 km (0.119 R)
• M3: 949,198 km (0.095 R)
• M4: 1,422,825 km (0.051 R)
• M5: 1,562,550 km (0.113 R)
• M6: 1,885,980 km (0.096 R)
• M7: 2,501,426 km (0.105 R)
• M8: 2,642,946 km (0.071 R)
• M9: 5,005,545 km (0.097 R)
• M10: 5,462,716 km (0.115 R)
• M11: 8,041,634 km (0.094 R)
• M12: 16,447,987 km (0.11 R)
• M13: 18,957,192 km (0.109 R)
• M14: 19,424,835 km (0.12 R)
• M15: 20,464,690 km (0.09 R)
• M16: 29,006,130 km (0.1 R)
• M17: 34,798,559 km (0.112 R)
• M18: 40,926,836 km (0.03 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: 373 - 14,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit