🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.7 AU - 0.76 AU

Year: 267 Days

Day: 39 Hours

Environment

Temp: 13 °C

Axial Tilt: 20.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.05 AU - 1.31 AU

Year: 548 Days

Day: 32.6 Hours

Environment

Temp: -76 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.9

Radius: 14.1

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.14 AU - 5.1 AU

Year: 3575 Days

Day: 6.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,839,704 km

• M1: 175,329 km (0.062 R)
• M2: 765,044 km (0.118 R)
• M3: 1,266,944 km (0.111 R)
• M4: 1,845,888 km (0.091 R)
• M5: 2,888,585 km (0.089 R)
• M6: 4,749,732 km (0.108 R)
• M7: 7,600,769 km (0.05 R)
• M8: 11,702,742 km (0.111 R)
• M9: 12,144,954 km (0.064 R)
• M10: 13,879,242 km (0.101 R)
• M11: 16,978,311 km (0.028 R)
• M12: 18,719,182 km (0.047 R)
• M13: 22,283,052 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.8

Radius: 13.4

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.54 AU - 6.64 AU

Year: 7232 Days

Day: 14.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,839,704 km

• M1: 166,652 km (0.078 R)
• M2: 1,591,123 km (0.098 R)
• M3: 2,633,671 km (0.076 R)
• M4: 3,453,616 km (0.08 R)
• M5: 4,477,464 km (0.05 R)
• M6: 5,258,814 km (0.103 R)
• M7: 8,339,184 km (0.094 R)
• M8: 10,527,501 km (0.074 R)

Asteroid Belt

Center: 7.71 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.6

Radius: 11.8

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.67 AU - 8.99 AU

Year: 11217 Days

Day: 10.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,839,704 km

• M1: 146,756 km (0.105 R)
• M2: 778,059 km (0.066 R)
• M3: 1,422,676 km (0.099 R)
• M4: 2,016,729 km (0.057 R)
• M5: 3,397,816 km (0.041 R)
• M6: 3,866,507 km (0.088 R)
• M7: 4,319,190 km (0.045 R)
• M8: 5,643,729 km (0.048 R)
• M9: 6,152,960 km (0.106 R)
• M10: 7,015,392 km (0.059 R)
• M11: 7,648,490 km (0.113 R)
• M12: 10,677,398 km (0.079 R)
• M13: 11,401,452 km (0.085 R)
• M14: 11,863,111 km (0.111 R)
• M15: 13,009,779 km (0.053 R)
• M16: 15,522,873 km (0.079 R)
• M17: 18,031,630 km (0.052 R)
• M18: 21,229,135 km (0.073 R)
• M19: 24,786,722 km (0.102 R)
• M20: 25,562,835 km (0.116 R)
• M21: 26,255,025 km (0.113 R)
• M22: 30,232,982 km (0.049 R)
• M23: 31,794,634 km (0.074 R)
• M24: 36,056,378 km (0.069 R)
• M25: 38,840,245 km (0.049 R)
• M26: 42,448,845 km (0.096 R)
• M27: 44,547,254 km (0.111 R)
• M28: 45,261,733 km (0.038 R)
• M29: 46,860,785 km (0.094 R)
• M30: 49,253,304 km (0.111 R)
• M31: 53,153,171 km (0.026 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.2

Radius: 3.3

Gravity: 73.66 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 8.81 AU - 12.49 AU

Year: 14858 Days

Day: 25 Hours

Environment

Temp: -193 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,839,704 km

• M1: 40,990 km (0.114 R)
• M2: 405,560 km (0.068 R)
• M3: 574,905 km (0.114 R)
• M4: 861,983 km (0.119 R)
• M5: 3,007,366 km (0.071 R)
• M6: 3,591,994 km (0.068 R)
• M7: 3,705,838 km (0.11 R)
• M8: 7,087,050 km (0.07 R)
• M9: 7,311,895 km (0.08 R)
• M10: 7,495,153 km (0.038 R)
• M11: 10,108,627 km (0.09 R)
• M12: 18,013,080 km (0.119 R)
• M13: 18,600,850 km (0.07 R)
• M14: 27,445,674 km (0.03 R)
• M15: 28,787,717 km (0.05 R)
• M16: 30,290,278 km (0.117 R)
• M17: 31,360,501 km (0.089 R)
• M18: 38,730,590 km (0.07 R)
• M19: 42,887,914 km (0.107 R)
• M20: 47,650,213 km (0.076 R)
• M21: 56,587,190 km (0.109 R)
• M22: 60,603,145 km (0.095 R)
• M23: 60,789,992 km (0.047 R)
• M24: 65,588,942 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.1

Radius: 6.9

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 12.94 AU - 15.62 AU

Year: 23069 Days

Day: 16.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,839,704 km

• M1: 87,365 km (0.089 R)
• M2: 422,764 km (0.064 R)
• M3: 677,978 km (0.103 R)
• M4: 1,106,575 km (0.065 R)
• M5: 5,090,666 km (0.034 R)
• M6: 5,693,545 km (0.101 R)
• M7: 11,024,017 km (0.107 R)
• M8: 12,968,041 km (0.099 R)
• M9: 17,677,831 km (0.088 R)
• M10: 18,723,370 km (0.083 R)
• M11: 22,198,828 km (0.106 R)
• M12: 30,735,331 km (0.067 R)
• M13: 31,425,875 km (0.081 R)
• M14: 36,040,820 km (0.112 R)
• M15: 36,679,902 km (0.116 R)
• M16: 53,212,860 km (0.117 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 18,326 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit