🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.73 AU - 0.81 AU

Year: 259 Days

Day: 46.7 Hours

Environment

Temp: 79 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.22 AU - 1.52 AU

Year: 614 Days

Day: 37.4 Hours

Environment

Temp: -38 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.78 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.6

Radius: 9.1

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.1 AU - 4.26 AU

Year: 3272 Days

Day: 5.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,712,310 km

• M1: 113,545 km (0.118 R)
• M2: 447,298 km (0.118 R)
• M3: 1,485,656 km (0.118 R)
• M4: 2,139,998 km (0.055 R)
• M5: 2,879,460 km (0.091 R)
• M6: 3,222,937 km (0.12 R)
• M7: 3,933,826 km (0.093 R)
• M8: 5,565,490 km (0.102 R)
• M9: 5,918,690 km (0.111 R)
• M10: 6,233,444 km (0.092 R)
• M11: 6,925,035 km (0.105 R)
• M12: 7,394,024 km (0.088 R)
• M13: 7,884,107 km (0.102 R)
• M14: 8,827,322 km (0.086 R)
• M15: 9,663,274 km (0.082 R)
• M16: 11,532,799 km (0.08 R)
• M17: 11,983,537 km (0.102 R)
• M18: 13,317,202 km (0.098 R)
• M19: 16,792,211 km (0.03 R)
• M20: 17,424,861 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225

Radius: 9.8

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.07 AU - 6.27 AU

Year: 5868 Days

Day: 11.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,712,310 km

• M1: 122,221 km (0.052 R)
• M2: 1,489,696 km (0.113 R)
• M3: 2,425,430 km (0.039 R)
• M4: 3,554,894 km (0.101 R)
• M5: 3,979,303 km (0.028 R)
• M6: 5,942,775 km (0.111 R)
• M7: 7,057,130 km (0.094 R)
• M8: 9,465,955 km (0.1 R)
• M9: 9,888,868 km (0.114 R)
• M10: 11,620,912 km (0.084 R)
• M11: 12,421,859 km (0.111 R)
• M12: 12,789,421 km (0.03 R)
• M13: 16,487,630 km (0.112 R)
• M14: 20,459,304 km (0.043 R)
• M15: 22,836,713 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.8

Radius: 12.2

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 10.76 AU - 11.2 AU

Year: 13931 Days

Day: 13.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,712,310 km

• M1: 173,683 km (0.117 R)
• M2: 592,856 km (0.114 R)
• M3: 1,147,266 km (0.1 R)
• M4: 2,765,616 km (0.047 R)
• M5: 4,899,181 km (0.063 R)
• M6: 7,062,515 km (0.11 R)
• M7: 10,254,934 km (0.112 R)
• M8: 12,218,107 km (0.105 R)
• M9: 14,772,191 km (0.108 R)
• M10: 16,940,164 km (0.081 R)
• M11: 20,987,384 km (0.114 R)
• M12: 24,457,905 km (0.049 R)
• M13: 28,385,298 km (0.037 R)
• M14: 28,938,810 km (0.097 R)
• M15: 30,450,347 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804

Radius: 8.8

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 10.5 AU - 11.46 AU

Year: 13931 Days

Day: 10.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,712,310 km

• M1: 114,143 km (0.107 R)
• M2: 1,348,625 km (0.064 R)
• M3: 1,826,291 km (0.115 R)
• M4: 2,926,134 km (0.116 R)
• M5: 3,646,598 km (0.102 R)
• M6: 6,157,897 km (0.072 R)
• M7: 6,985,473 km (0.103 R)
• M8: 7,516,395 km (0.097 R)
• M9: 8,026,524 km (0.119 R)
• M10: 9,588,924 km (0.104 R)
• M11: 10,133,610 km (0.089 R)
• M12: 12,456,865 km (0.072 R)
• M13: 18,791,587 km (0.041 R)
• M14: 20,612,343 km (0.064 R)
• M15: 22,833,721 km (0.107 R)
• M16: 23,122,146 km (0.108 R)
• M17: 25,312,409 km (0.101 R)
• M18: 34,065,978 km (0.115 R)
• M19: 37,960,460 km (0.028 R)
• M20: 38,773,375 km (0.055 R)
• M21: 44,792,594 km (0.118 R)
• M22: 48,655,959 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.4

Radius: 4

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 10.24 AU - 14.8 AU

Year: 16962 Days

Day: 24.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,712,310 km

• M1: 203,752 km (0.086 R)
• M2: 477,666 km (0.091 R)
• M3: 1,373,159 km (0.091 R)
• M4: 1,814,024 km (0.055 R)
• M5: 2,343,301 km (0.067 R)
• M6: 3,110,589 km (0.102 R)
• M7: 3,769,268 km (0.066 R)
• M8: 5,008,836 km (0.073 R)
• M9: 5,658,839 km (0.107 R)
• M10: 5,908,518 km (0.037 R)
• M11: 6,497,185 km (0.1 R)
• M12: 7,268,811 km (0.113 R)
• M13: 8,949,693 km (0.113 R)
• M14: 10,496,235 km (0.095 R)
• M15: 15,940,700 km (0.039 R)
• M16: 19,014,937 km (0.116 R)
• M17: 22,153,649 km (0.114 R)
• M18: 22,695,194 km (0.096 R)
• M19: 24,537,043 km (0.108 R)
• M20: 25,200,360 km (0.113 R)
• M21: 30,655,745 km (0.103 R)
• M22: 33,302,880 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.5

Radius: 7.8

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 11.69 AU - 19.23 AU

Year: 23275 Days

Day: 21.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,712,310 km

• M1: 96,939 km (0.038 R)
• M2: 654,191 km (0.076 R)
• M3: 953,836 km (0.04 R)
• M4: 1,403,078 km (0.067 R)
• M5: 1,770,491 km (0.095 R)
• M6: 2,241,574 km (0.06 R)
• M7: 2,540,471 km (0.096 R)
• M8: 3,192,718 km (0.111 R)
• M9: 5,216,927 km (0.095 R)
• M10: 5,744,857 km (0.047 R)
• M11: 8,318,689 km (0.087 R)
• M12: 8,622,522 km (0.058 R)
• M13: 11,763,778 km (0.097 R)
• M14: 19,734,054 km (0.098 R)
• M15: 24,037,835 km (0.081 R)
• M16: 25,177,621 km (0.097 R)
• M17: 25,494,768 km (0.065 R)
• M18: 28,468,924 km (0.082 R)
• M19: 30,098,792 km (0.094 R)
• M20: 31,666,877 km (0.107 R)
• M21: 35,228,055 km (0.05 R)
• M22: 38,345,973 km (0.091 R)
• M23: 38,906,517 km (0.105 R)
• M24: 44,660,051 km (0.116 R)
• M25: 58,186,092 km (0.116 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 18,873 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit