🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.59 AU - 0.91 AU

Year: 243 Days

Day: 27.3 Hours

Environment

Temp: 168 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.6 AU - 0.98 AU

Year: 263 Days

Day: 39.9 Hours

Environment

Temp: 102 °C

Axial Tilt: 112.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.83 AU - 1.19 AU

Year: 380 Days

Day: 29.2 Hours

Environment

Temp: 9 °C

Axial Tilt: 170 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.97 AU - 1.53 AU

Year: 524 Days

Day: 41.9 Hours

Environment

Temp: -25 °C

Axial Tilt: 49.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 78,511,532 km

• M1: 84,972 km (0.072 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.65 AU - 2.37 AU

Year: 1068 Days

Day: 26.8 Hours

Environment

Temp: -82 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,511,532 km

• M1: 30,817 km (0.08 R)

Asteroid Belt

Center: 4.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.2

Radius: 12

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.82 AU - 7.22 AU

Year: 6970 Days

Day: 6.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,511,532 km

• M1: 149,299 km (0.074 R)
• M2: 928,255 km (0.114 R)
• M3: 1,382,733 km (0.065 R)
• M4: 1,767,200 km (0.082 R)
• M5: 2,448,917 km (0.097 R)
• M6: 3,218,149 km (0.117 R)
• M7: 3,793,503 km (0.107 R)
• M8: 4,798,053 km (0.082 R)
• M9: 5,972,097 km (0.081 R)
• M10: 7,118,315 km (0.11 R)
• M11: 10,326,891 km (0.113 R)
• M12: 10,919,149 km (0.092 R)
• M13: 12,171,732 km (0.052 R)
• M14: 12,781,193 km (0.115 R)
• M15: 16,382,014 km (0.116 R)
• M16: 21,256,810 km (0.056 R)
• M17: 22,820,557 km (0.108 R)
• M18: 23,669,824 km (0.116 R)
• M19: 26,092,711 km (0.111 R)
• M20: 27,192,405 km (0.118 R)
• M21: 28,322,617 km (0.073 R)
• M22: 29,847,618 km (0.053 R)
• M23: 30,956,587 km (0.038 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.8

Radius: 8

Gravity: 12.76 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.24 AU - 11.16 AU

Year: 12208 Days

Day: 8.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,511,532 km

• M1: 99,483 km (0.104 R)
• M2: 394,340 km (0.093 R)
• M3: 813,962 km (0.113 R)
• M4: 1,202,617 km (0.097 R)
• M5: 1,760,169 km (0.087 R)
• M6: 2,016,579 km (0.083 R)
• M7: 3,355,630 km (0.107 R)
• M8: 3,671,431 km (0.042 R)
• M9: 6,835,127 km (0.114 R)
• M10: 7,129,087 km (0.102 R)
• M11: 9,327,577 km (0.081 R)
• M12: 9,847,878 km (0.105 R)
• M13: 11,349,542 km (0.096 R)
• M14: 11,942,548 km (0.119 R)
• M15: 12,369,799 km (0.094 R)
• M16: 13,254,970 km (0.094 R)
• M17: 13,581,093 km (0.031 R)
• M18: 15,080,213 km (0.103 R)
• M19: 15,796,937 km (0.099 R)
• M20: 16,990,578 km (0.119 R)
• M21: 17,609,465 km (0.109 R)
• M22: 18,243,161 km (0.116 R)
• M23: 20,064,515 km (0.117 R)
• M24: 22,461,522 km (0.062 R)
• M25: 23,872,379 km (0.099 R)
• M26: 24,355,581 km (0.09 R)
• M27: 25,844,229 km (0.103 R)
• M28: 29,885,615 km (0.111 R)
• M29: 38,002,646 km (0.101 R)
• M30: 45,673,876 km (0.094 R)
• M31: 55,488,693 km (0.106 R)
• M32: 57,884,203 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.6

Radius: 4

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 14.05 AU - 20.01 AU

Year: 26336 Days

Day: 16.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,511,532 km

• M1: 51,162 km (0.09 R)
• M2: 203,752 km (0.081 R)
• M3: 344,823 km (0.092 R)
• M4: 533,167 km (0.094 R)
• M5: 953,986 km (0.077 R)
• M6: 1,282,054 km (0.113 R)
• M7: 2,640,552 km (0.059 R)
• M8: 3,079,622 km (0.062 R)
• M9: 3,213,512 km (0.062 R)
• M10: 3,814,297 km (0.079 R)
• M11: 4,866,120 km (0.069 R)
• M12: 6,167,322 km (0.098 R)
• M13: 9,957,085 km (0.093 R)
• M14: 10,499,975 km (0.059 R)
• M15: 11,537,437 km (0.06 R)
• M16: 11,698,703 km (0.103 R)
• M17: 14,302,304 km (0.117 R)
• M18: 20,381,962 km (0.067 R)
• M19: 21,824,235 km (0.097 R)
• M20: 25,089,657 km (0.111 R)
• M21: 27,121,346 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434

Radius: 4.1

Gravity: 25.82 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 16.04 AU - 18.02 AU

Year: 26336 Days

Day: 15 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,511,532 km

• M1: 57,745 km (0.073 R)
• M2: 1,736,682 km (0.061 R)
• M3: 1,925,175 km (0.12 R)
• M4: 2,085,843 km (0.088 R)
• M5: 2,646,237 km (0.096 R)
• M6: 2,819,621 km (0.057 R)
• M7: 3,000,784 km (0.115 R)
• M8: 7,788,065 km (0.071 R)
• M9: 15,518,535 km (0.104 R)
• M10: 16,412,233 km (0.088 R)
• M11: 21,399,975 km (0.111 R)
• M12: 26,847,731 km (0.106 R)
• M13: 28,014,445 km (0.088 R)
• M14: 31,077,910 km (0.029 R)
• M15: 32,233,404 km (0.109 R)
• M16: 34,087,072 km (0.045 R)
• M17: 36,010,601 km (0.08 R)
• M18: 39,029,636 km (0.115 R)
• M19: 40,676,409 km (0.077 R)
• M20: 44,751,754 km (0.098 R)
• M21: 57,248,712 km (0.104 R)
• M22: 60,948,267 km (0.118 R)
• M23: 67,746,892 km (0.056 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 16,226 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit