🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.65 AU - 0.91 AU

Year: 255 Days

Day: 12.4 Hours

Environment

Temp: 127 °C

Axial Tilt: 44.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1 AU - 1.36 AU

Year: 475 Days

Day: 20.3 Hours

Environment

Temp: 12 °C

Axial Tilt: 17.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 75,266,474 km

• M1: 37,699 km (0.052 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.48 AU - 2 AU

Year: 851 Days

Day: 20 Hours

Environment

Temp: -60 °C

Axial Tilt: 105.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.55 AU - 3.43 AU

Year: 1917 Days

Day: 41 Hours

Environment

Temp: -108 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 75,266,474 km

• M1: 37,848 km (0.111 R)
• M2: 865,573 km (0.045 R)

Asteroid Belt

Center: 3.9 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.6

Radius: 11.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.04 AU - 5.58 AU

Year: 3912 Days

Day: 6.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,266,474 km

• M1: 147,952 km (0.117 R)
• M2: 562,189 km (0.108 R)
• M3: 1,173,595 km (0.096 R)
• M4: 1,659,938 km (0.103 R)
• M5: 2,141,942 km (0.11 R)
• M6: 2,602,405 km (0.092 R)
• M7: 3,325,411 km (0.1 R)
• M8: 4,061,433 km (0.046 R)
• M9: 4,730,434 km (0.074 R)
• M10: 5,957,436 km (0.103 R)
• M11: 9,333,561 km (0.114 R)
• M12: 9,887,372 km (0.093 R)
• M13: 12,202,399 km (0.115 R)
• M14: 12,697,119 km (0.074 R)
• M15: 13,377,640 km (0.048 R)
• M16: 15,185,530 km (0.108 R)
• M17: 15,806,661 km (0.061 R)
• M18: 16,444,696 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.5

Radius: 10.6

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 5.36 AU - 5.74 AU

Year: 4849 Days

Day: 15 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,266,474 km

• M1: 132,544 km (0.082 R)
• M2: 594,502 km (0.079 R)
• M3: 1,183,319 km (0.093 R)
• M4: 1,657,694 km (0.063 R)
• M5: 2,003,564 km (0.106 R)
• M6: 3,497,748 km (0.03 R)
• M7: 4,189,788 km (0.116 R)
• M8: 5,465,259 km (0.103 R)
• M9: 10,075,267 km (0.045 R)
• M10: 15,385,094 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.4

Radius: 12.4

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 8.78 AU - 13.6 AU

Year: 13882 Days

Day: 6.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,266,474 km

• M1: 154,535 km (0.084 R)
• M2: 823,237 km (0.096 R)
• M3: 1,469,649 km (0.116 R)
• M4: 2,898,459 km (0.046 R)
• M5: 3,768,221 km (0.111 R)
• M6: 5,077,651 km (0.058 R)
• M7: 6,405,781 km (0.075 R)
• M8: 7,953,670 km (0.081 R)
• M9: 9,395,045 km (0.111 R)
• M10: 10,000,318 km (0.119 R)
• M11: 11,051,244 km (0.031 R)
• M12: 12,894,289 km (0.116 R)
• M13: 14,818,716 km (0.069 R)
• M14: 15,461,389 km (0.043 R)
• M15: 18,619,250 km (0.075 R)
• M16: 19,994,952 km (0.113 R)
• M17: 23,571,837 km (0.12 R)
• M18: 31,965,175 km (0.07 R)

Asteroid Belt

Center: 12.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 14.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.8

Radius: 3.1

Gravity: 15.59 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 13.86 AU - 14.98 AU

Year: 20307 Days

Day: 22.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,266,474 km

• M1: 250,277 km (0.1 R)
• M2: 360,980 km (0.12 R)
• M3: 551,717 km (0.12 R)
• M4: 770,279 km (0.056 R)
• M5: 1,656,497 km (0.114 R)
• M6: 1,793,828 km (0.115 R)
• M7: 2,325,798 km (0.076 R)
• M8: 2,478,687 km (0.084 R)
• M9: 2,825,754 km (0.102 R)
• M10: 3,022,176 km (0.036 R)
• M11: 4,661,021 km (0.083 R)
• M12: 6,068,886 km (0.068 R)
• M13: 7,948,883 km (0.051 R)
• M14: 9,638,740 km (0.065 R)
• M15: 12,922,563 km (0.114 R)
• M16: 17,744,701 km (0.026 R)
• M17: 19,403,592 km (0.108 R)
• M18: 31,786,705 km (0.085 R)
• M19: 39,835,968 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.2

Radius: 3.2

Gravity: 42.3 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 13.34 AU - 19.56 AU

Year: 24743 Days

Day: 17.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,266,474 km

• M1: 45,029 km (0.033 R)
• M2: 371,601 km (0.066 R)
• M3: 1,287,140 km (0.092 R)
• M4: 1,536,969 km (0.08 R)
• M5: 1,673,551 km (0.117 R)
• M6: 1,971,102 km (0.088 R)
• M7: 2,622,151 km (0.106 R)
• M8: 2,792,693 km (0.092 R)
• M9: 3,102,061 km (0.058 R)
• M10: 3,819,383 km (0.105 R)
• M11: 4,711,286 km (0.095 R)
• M12: 5,416,490 km (0.112 R)
• M13: 5,937,839 km (0.083 R)
• M14: 7,458,052 km (0.088 R)
• M15: 8,463,649 km (0.093 R)
• M16: 10,018,719 km (0.099 R)
• M17: 11,819,578 km (0.101 R)
• M18: 12,284,528 km (0.103 R)
• M19: 17,538,106 km (0.057 R)
• M20: 18,317,661 km (0.114 R)
• M21: 18,582,599 km (0.064 R)
• M22: 19,575,779 km (0.096 R)
• M23: 22,362,638 km (0.028 R)
• M24: 22,970,454 km (0.102 R)
• M25: 24,645,202 km (0.108 R)
• M26: 24,967,885 km (0.09 R)
• M27: 25,622,076 km (0.088 R)
• M28: 26,287,338 km (0.101 R)
• M29: 42,280,697 km (0.119 R)
• M30: 43,678,390 km (0.063 R)
• M31: 47,223,560 km (0.116 R)
• M32: 51,130,159 km (0.105 R)
• M33: 51,479,619 km (0.079 R)
• M34: 55,984,161 km (0.095 R)
• M35: 63,928,107 km (0.118 R)
• M36: 71,494,767 km (0.099 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 18,434 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit