🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.62 AU - 0.66 AU

Year: 196 Days

Day: 36 Hours

Environment

Temp: 122 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 89,832,091 km

• M1: 110,403 km (0.056 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.99 AU - 1.05 AU

Year: 394 Days

Day: 19.4 Hours

Environment

Temp: 18 °C

Axial Tilt: 10.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.18 AU - 3.34 AU

Year: 2254 Days

Day: 15.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,832,091 km

• M1: 991,235 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.8

Radius: 12.4

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.9 AU - 6.5 AU

Year: 5211 Days

Day: 10.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,832,091 km

• M1: 155,283 km (0.112 R)
• M2: 569,220 km (0.051 R)
• M3: 1,008,290 km (0.028 R)
• M4: 1,543,700 km (0.063 R)
• M5: 2,122,046 km (0.119 R)
• M6: 3,128,540 km (0.098 R)
• M7: 3,615,631 km (0.079 R)
• M8: 4,477,464 km (0.055 R)
• M9: 4,995,821 km (0.069 R)
• M10: 5,417,388 km (0.119 R)
• M11: 5,977,781 km (0.101 R)
• M12: 6,701,237 km (0.11 R)
• M13: 8,993,974 km (0.107 R)
• M14: 9,540,604 km (0.051 R)
• M15: 10,917,204 km (0.116 R)
• M16: 11,721,891 km (0.116 R)
• M17: 12,374,736 km (0.041 R)
• M18: 13,002,598 km (0.114 R)
• M19: 15,341,262 km (0.107 R)
• M20: 15,728,720 km (0.031 R)
• M21: 17,048,173 km (0.103 R)
• M22: 19,452,361 km (0.085 R)
• M23: 21,380,827 km (0.11 R)
• M24: 24,096,627 km (0.091 R)
• M25: 25,076,343 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.8

Radius: 10.9

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.74 AU - 6.26 AU

Year: 5627 Days

Day: 5.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,832,091 km

• M1: 135,835 km (0.105 R)
• M2: 553,363 km (0.118 R)
• M3: 1,042,996 km (0.056 R)
• M4: 1,488,499 km (0.049 R)
• M5: 1,881,044 km (0.117 R)
• M6: 2,568,595 km (0.071 R)
• M7: 3,416,367 km (0.051 R)
• M8: 4,441,262 km (0.107 R)
• M9: 7,395,072 km (0.115 R)
• M10: 8,901,522 km (0.075 R)
• M11: 10,126,878 km (0.058 R)
• M12: 14,100,048 km (0.059 R)
• M13: 14,914,908 km (0.095 R)
• M14: 15,818,329 km (0.035 R)
• M15: 16,698,114 km (0.091 R)
• M16: 17,858,844 km (0.101 R)
• M17: 20,960,606 km (0.086 R)
• M18: 22,602,144 km (0.082 R)
• M19: 23,192,607 km (0.066 R)
• M20: 23,642,298 km (0.108 R)
• M21: 24,250,862 km (0.119 R)
• M22: 24,791,808 km (0.061 R)
• M23: 25,419,969 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.5

Radius: 3.6

Gravity: 29.05 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 9.09 AU - 14.35 AU

Year: 15362 Days

Day: 19.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,832,091 km

• M1: 59,091 km (0.108 R)
• M2: 224,546 km (0.062 R)
• M3: 705,504 km (0.111 R)
• M4: 851,062 km (0.115 R)
• M5: 2,026,004 km (0.103 R)
• M6: 2,361,851 km (0.096 R)
• M7: 3,215,157 km (0.112 R)
• M8: 3,412,627 km (0.052 R)
• M9: 4,168,545 km (0.06 R)
• M10: 4,647,407 km (0.101 R)
• M11: 5,502,210 km (0.083 R)
• M12: 5,893,558 km (0.065 R)
• M13: 6,265,159 km (0.107 R)
• M14: 7,776,845 km (0.115 R)
• M15: 7,953,520 km (0.12 R)
• M16: 8,877,586 km (0.118 R)
• M17: 9,415,241 km (0.102 R)
• M18: 9,666,715 km (0.08 R)
• M19: 12,432,630 km (0.073 R)
• M20: 15,753,853 km (0.106 R)
• M21: 20,615,035 km (0.11 R)
• M22: 23,154,310 km (0.098 R)
• M23: 24,546,168 km (0.085 R)
• M24: 24,735,858 km (0.115 R)
• M25: 25,214,272 km (0.119 R)
• M26: 25,796,657 km (0.114 R)
• M27: 27,597,217 km (0.067 R)
• M28: 27,802,315 km (0.111 R)
• M29: 32,690,426 km (0.104 R)
• M30: 33,382,466 km (0.095 R)
• M31: 33,849,361 km (0.118 R)
• M32: 43,843,546 km (0.11 R)
• M33: 46,835,353 km (0.107 R)
• M34: 47,273,526 km (0.083 R)
• M35: 49,354,582 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.5

Radius: 6.7

Gravity: 18.72 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 14.47 AU - 16.35 AU

Year: 23162 Days

Day: 22.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 89,832,091 km

• M1: 84,972 km (0.075 R)
• M2: 464,950 km (0.05 R)
• M3: 891,005 km (0.091 R)
• M4: 1,339,649 km (0.103 R)
• M5: 1,810,882 km (0.091 R)
• M6: 2,227,213 km (0.074 R)
• M7: 3,931,282 km (0.081 R)
• M8: 4,740,906 km (0.105 R)
• M9: 5,046,983 km (0.115 R)
• M10: 5,572,670 km (0.1 R)
• M11: 6,314,227 km (0.068 R)
• M12: 6,876,117 km (0.034 R)
• M13: 7,218,995 km (0.112 R)
• M14: 7,676,465 km (0.059 R)
• M15: 8,207,238 km (0.026 R)
• M16: 8,991,131 km (0.063 R)
• M17: 9,885,278 km (0.081 R)
• M18: 11,710,671 km (0.104 R)
• M19: 12,270,915 km (0.119 R)
• M20: 12,848,961 km (0.111 R)
• M21: 14,137,148 km (0.054 R)
• M22: 14,691,857 km (0.109 R)
• M23: 18,236,130 km (0.114 R)
• M24: 18,988,458 km (0.036 R)
• M25: 21,266,684 km (0.093 R)
• M26: 21,994,627 km (0.076 R)
• M27: 24,390,886 km (0.115 R)
• M28: 25,303,732 km (0.04 R)
• M29: 27,931,418 km (0.1 R)
• M30: 30,082,337 km (0.103 R)
• M31: 31,531,491 km (0.096 R)
• M32: 34,002,399 km (0.111 R)
• M33: 44,501,178 km (0.116 R)
• M34: 48,133,713 km (0.037 R)
• M35: 49,387,044 km (0.095 R)
• M36: 53,849,698 km (0.113 R)
• M37: 59,183,162 km (0.088 R)
• M38: 62,293,002 km (0.07 R)
• M39: 63,353,352 km (0.098 R)
• M40: 64,858,157 km (0.058 R)
• M41: 73,915,710 km (0.111 R)
• M42: 88,226,242 km (0.113 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 11,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit