🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.46 AU - 0.62 AU

Year: 260 Days

Day: 37.3 Hours

Environment

Temp: -112 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.46 AU - 0.72 AU

Year: 297 Days

Day: 12.5 Hours

Environment

Temp: -118 °C

Axial Tilt: 82.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,639,392 km

• M1: 46,824 km (0.116 R)

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924

Radius: 9

Gravity: 11.41 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.87 AU - 1.41 AU

Year: 798 Days

Day: 13 Hours

Environment

Temp: -156 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,639,392 km

• M1: 111,899 km (0.082 R)
• M2: 442,211 km (0.101 R)
• M3: 862,432 km (0.054 R)
• M4: 1,469,201 km (0.065 R)
• M5: 2,105,889 km (0.072 R)
• M6: 2,425,729 km (0.096 R)
• M7: 2,753,648 km (0.06 R)
• M8: 3,205,284 km (0.065 R)
• M9: 3,616,229 km (0.107 R)
• M10: 5,703,419 km (0.068 R)
• M11: 7,820,827 km (0.05 R)
• M12: 8,409,644 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.6

Radius: 12.2

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.11 AU - 1.51 AU

Year: 984 Days

Day: 11.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,639,392 km

• M1: 151,692 km (0.093 R)
• M2: 535,560 km (0.085 R)
• M3: 959,222 km (0.078 R)
• M4: 1,379,891 km (0.102 R)
• M5: 1,890,468 km (0.119 R)
• M6: 2,783,418 km (0.05 R)
• M7: 3,609,797 km (0.093 R)
• M8: 4,241,997 km (0.097 R)
• M9: 4,659,226 km (0.112 R)
• M10: 5,086,477 km (0.086 R)
• M11: 5,577,158 km (0.108 R)
• M12: 6,260,222 km (0.09 R)
• M13: 6,846,197 km (0.094 R)
• M14: 7,468,674 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.4

Radius: 10

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.16 AU - 1.74 AU

Year: 1145 Days

Day: 12.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,639,392 km

• M1: 124,465 km (0.079 R)
• M2: 439,818 km (0.101 R)
• M3: 816,206 km (0.115 R)
• M4: 1,397,244 km (0.103 R)
• M5: 1,730,399 km (0.085 R)
• M6: 2,074,922 km (0.079 R)
• M7: 2,395,062 km (0.093 R)
• M8: 2,813,038 km (0.043 R)
• M9: 3,207,528 km (0.045 R)
• M10: 3,876,978 km (0.091 R)
• M11: 4,332,205 km (0.072 R)
• M12: 4,710,687 km (0.062 R)
• M13: 5,170,252 km (0.104 R)
• M14: 7,043,367 km (0.115 R)
• M15: 7,365,302 km (0.073 R)
• M16: 8,200,058 km (0.081 R)
• M17: 8,809,669 km (0.082 R)
• M18: 11,317,528 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.1

Radius: 14.9

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.08 AU - 2.18 AU

Year: 2039 Days

Day: 11.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,639,392 km

• M1: 186,249 km (0.069 R)
• M2: 651,648 km (0.066 R)
• M3: 1,320,650 km (0.109 R)
• M4: 1,867,430 km (0.115 R)
• M5: 2,866,445 km (0.1 R)
• M6: 4,509,478 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.8

Radius: 6.8

Gravity: 18.88 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.77 AU - 7.41 AU

Year: 11098 Days

Day: 22.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,639,392 km

• M1: 84,672 km (0.047 R)
• M2: 343,626 km (0.09 R)
• M3: 652,845 km (0.119 R)
• M4: 912,547 km (0.092 R)
• M5: 1,586,186 km (0.084 R)
• M6: 2,270,596 km (0.051 R)
• M7: 2,593,877 km (0.099 R)
• M8: 4,822,287 km (0.07 R)
• M9: 5,358,147 km (0.093 R)
• M10: 5,604,684 km (0.09 R)
• M11: 5,895,802 km (0.072 R)
• M12: 6,158,795 km (0.12 R)
• M13: 6,871,180 km (0.083 R)
• M14: 7,505,624 km (0.095 R)
• M15: 10,493,243 km (0.099 R)
• M16: 11,333,684 km (0.117 R)
• M17: 12,037,841 km (0.09 R)
• M18: 13,859,345 km (0.058 R)
• M19: 14,732,698 km (0.114 R)
• M20: 20,074,688 km (0.115 R)
• M21: 22,989,303 km (0.079 R)
• M22: 26,275,220 km (0.118 R)
• M23: 38,244,995 km (0.117 R)
• M24: 42,411,744 km (0.071 R)
• M25: 43,251,736 km (0.104 R)
• M26: 43,534,177 km (0.087 R)
• M27: 45,984,889 km (0.08 R)
• M28: 51,792,428 km (0.098 R)
• M29: 52,912,916 km (0.073 R)
• M30: 53,560,526 km (0.06 R)
• M31: 53,886,200 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.4

Radius: 6.6

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.88 AU - 11.16 AU

Year: 20807 Days

Day: 24.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,639,392 km

• M1: 82,129 km (0.032 R)
• M2: 292,314 km (0.103 R)
• M3: 707,149 km (0.097 R)
• M4: 929,900 km (0.117 R)
• M5: 2,529,251 km (0.081 R)
• M6: 3,062,119 km (0.111 R)
• M7: 3,692,225 km (0.074 R)
• M8: 4,239,304 km (0.05 R)
• M9: 5,559,506 km (0.112 R)
• M10: 6,457,242 km (0.067 R)
• M11: 7,979,999 km (0.059 R)
• M12: 11,879,118 km (0.102 R)
• M13: 14,453,398 km (0.038 R)
• M14: 14,704,424 km (0.117 R)
• M15: 16,957,068 km (0.101 R)
• M16: 23,574,829 km (0.061 R)
• M17: 24,629,195 km (0.085 R)
• M18: 27,306,548 km (0.072 R)
• M19: 28,272,950 km (0.077 R)
• M20: 29,062,378 km (0.101 R)
• M21: 31,309,039 km (0.107 R)
• M22: 31,835,324 km (0.097 R)
• M23: 33,778,900 km (0.097 R)
• M24: 43,248,595 km (0.066 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 11,228 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit