🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.59 AU - 0.71 AU

Year: 190 Days

Day: 13.5 Hours

Environment

Temp: 136 °C

Axial Tilt: 31.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.73 AU - 0.79 AU

Year: 240 Days

Day: 36.8 Hours

Environment

Temp: 196 °C

Axial Tilt: 32.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.22 AU - 1.5 AU

Year: 574 Days

Day: 24.5 Hours

Environment

Temp: -17 °C

Axial Tilt: 7.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.22 AU - 1.54 AU

Year: 586 Days

Day: 35.7 Hours

Environment

Temp: -6 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 76,857,861 km

• M1: 1,154,746 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.9

Radius: 11.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.51 AU - 7.05 AU

Year: 6385 Days

Day: 9.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,857,861 km

• M1: 144,960 km (0.116 R)
• M2: 514,766 km (0.086 R)
• M3: 897,587 km (0.098 R)
• M4: 1,490,444 km (0.11 R)
• M5: 1,956,591 km (0.12 R)
• M6: 4,009,522 km (0.089 R)
• M7: 4,419,719 km (0.07 R)
• M8: 6,481,178 km (0.042 R)
• M9: 7,827,110 km (0.115 R)
• M10: 8,439,713 km (0.104 R)
• M11: 10,398,997 km (0.047 R)
• M12: 11,102,107 km (0.093 R)
• M13: 12,075,391 km (0.109 R)
• M14: 12,977,914 km (0.063 R)
• M15: 15,290,099 km (0.065 R)
• M16: 16,346,410 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.7

Radius: 12

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 8.85 AU - 9.93 AU

Year: 10406 Days

Day: 8.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,857,861 km

• M1: 154,086 km (0.088 R)
• M2: 531,970 km (0.042 R)
• M3: 957,127 km (0.118 R)
• M4: 1,520,812 km (0.076 R)
• M5: 2,227,064 km (0.111 R)
• M6: 2,728,516 km (0.09 R)
• M7: 3,281,130 km (0.091 R)
• M8: 4,179,615 km (0.119 R)
• M9: 5,466,605 km (0.088 R)
• M10: 6,423,882 km (0.119 R)
• M11: 13,073,956 km (0.076 R)
• M12: 16,700,657 km (0.119 R)
• M13: 17,133,145 km (0.044 R)
• M14: 19,250,553 km (0.079 R)
• M15: 20,700,755 km (0.077 R)
• M16: 22,922,283 km (0.083 R)
• M17: 26,643,680 km (0.117 R)
• M18: 27,633,419 km (0.119 R)
• M19: 36,815,438 km (0.077 R)
• M20: 37,672,035 km (0.101 R)
• M21: 40,579,769 km (0.113 R)
• M22: 40,969,770 km (0.11 R)
• M23: 43,634,109 km (0.074 R)
• M24: 45,847,110 km (0.048 R)
• M25: 47,988,903 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 12.7

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 11.62 AU - 11.66 AU

Year: 14362 Days

Day: 6.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,857,861 km

• M1: 166,951 km (0.114 R)
• M2: 1,221,915 km (0.119 R)
• M3: 1,839,007 km (0.042 R)
• M4: 2,657,905 km (0.094 R)
• M5: 3,623,709 km (0.089 R)
• M6: 4,777,707 km (0.118 R)
• M7: 5,550,081 km (0.112 R)
• M8: 6,083,697 km (0.068 R)
• M9: 7,035,139 km (0.063 R)
• M10: 8,770,774 km (0.079 R)
• M11: 9,443,515 km (0.053 R)
• M12: 12,808,270 km (0.09 R)
• M13: 14,580,556 km (0.105 R)
• M14: 15,975,407 km (0.098 R)
• M15: 17,862,135 km (0.028 R)
• M16: 20,069,153 km (0.108 R)
• M17: 21,514,567 km (0.094 R)
• M18: 22,262,706 km (0.077 R)
• M19: 22,835,217 km (0.108 R)
• M20: 24,916,573 km (0.106 R)
• M21: 25,846,323 km (0.107 R)
• M22: 36,321,615 km (0.065 R)
• M23: 40,125,440 km (0.072 R)
• M24: 47,564,493 km (0.065 R)
• M25: 52,442,581 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.1

Radius: 4.3

Gravity: 27.26 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 13.63 AU - 18.85 AU

Year: 23668 Days

Day: 18.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,857,861 km

• M1: 53,406 km (0.113 R)
• M2: 214,523 km (0.097 R)
• M3: 417,677 km (0.111 R)
• M4: 963,859 km (0.03 R)
• M5: 1,565,243 km (0.096 R)
• M6: 2,169,020 km (0.041 R)
• M7: 3,548,013 km (0.061 R)
• M8: 3,788,267 km (0.095 R)
• M9: 4,932,242 km (0.03 R)
• M10: 7,627,247 km (0.082 R)
• M11: 10,852,727 km (0.081 R)
• M12: 15,194,506 km (0.08 R)
• M13: 16,395,627 km (0.086 R)
• M14: 21,048,720 km (0.077 R)
• M15: 24,309,953 km (0.088 R)
• M16: 31,050,384 km (0.104 R)
• M17: 36,782,227 km (0.106 R)
• M18: 43,494,683 km (0.053 R)
• M19: 64,869,377 km (0.118 R)
• M20: 76,397,987 km (0.062 R)

Kuiper Belt

Range: 30.3 - 50.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 18,685 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit