🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.71 AU - 0.87 AU

Year: 269 Days

Day: 21.5 Hours

Environment

Temp: 116 °C

Axial Tilt: 16.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.8 AU - 0.9 AU

Year: 300 Days

Day: 17.5 Hours

Environment

Temp: 22 °C

Axial Tilt: 45 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.5 AU - 1.66 AU

Year: 760 Days

Day: 33 Hours

Environment

Temp: -52 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.7

Radius: 13.1

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.66 AU - 4.7 AU

Year: 3272 Days

Day: 6.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,223,655 km

• M1: 178,021 km (0.083 R)
• M2: 598,092 km (0.106 R)
• M3: 1,068,129 km (0.093 R)
• M4: 1,481,318 km (0.049 R)
• M5: 2,556,478 km (0.117 R)
• M6: 3,049,104 km (0.083 R)
• M7: 4,076,692 km (0.09 R)
• M8: 6,077,114 km (0.116 R)
• M9: 11,692,270 km (0.075 R)
• M10: 13,347,870 km (0.086 R)
• M11: 15,524,369 km (0.102 R)
• M12: 15,954,015 km (0.085 R)
• M13: 16,557,792 km (0.092 R)
• M14: 19,188,021 km (0.086 R)
• M15: 19,683,340 km (0.116 R)
• M16: 20,250,615 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.4

Radius: 13.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.59 AU - 4.67 AU

Year: 3815 Days

Day: 7.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,223,655 km

• M1: 169,195 km (0.111 R)
• M2: 775,665 km (0.105 R)
• M3: 1,940,733 km (0.059 R)
• M4: 2,532,542 km (0.097 R)
• M5: 3,525,723 km (0.085 R)
• M6: 4,218,211 km (0.088 R)
• M7: 4,659,525 km (0.115 R)
• M8: 7,494,554 km (0.094 R)
• M9: 9,193,388 km (0.062 R)
• M10: 10,617,559 km (0.1 R)
• M11: 11,749,566 km (0.052 R)
• M12: 14,839,361 km (0.112 R)
• M13: 15,915,717 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294

Radius: 8.1

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.51 AU - 6.77 AU

Year: 5128 Days

Day: 9.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,223,655 km

• M1: 100,829 km (0.095 R)
• M2: 403,914 km (0.1 R)
• M3: 669,151 km (0.108 R)
• M4: 1,259,614 km (0.116 R)
• M5: 1,587,981 km (0.093 R)
• M6: 2,732,106 km (0.107 R)
• M7: 3,400,360 km (0.119 R)
• M8: 4,349,708 km (0.116 R)
• M9: 5,107,720 km (0.037 R)
• M10: 5,923,178 km (0.116 R)
• M11: 6,641,846 km (0.077 R)
• M12: 7,225,876 km (0.088 R)
• M13: 7,644,900 km (0.066 R)
• M14: 8,012,013 km (0.116 R)
• M15: 8,638,080 km (0.025 R)
• M16: 10,066,590 km (0.12 R)
• M17: 11,088,344 km (0.084 R)
• M18: 13,577,054 km (0.101 R)
• M19: 19,075,224 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.5

Radius: 8.1

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.37 AU - 11.97 AU

Year: 12418 Days

Day: 13.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,223,655 km

• M1: 100,679 km (0.045 R)
• M2: 458,218 km (0.072 R)
• M3: 830,268 km (0.075 R)
• M4: 1,358,797 km (0.119 R)
• M5: 2,614,522 km (0.077 R)
• M6: 3,145,295 km (0.046 R)
• M7: 3,666,943 km (0.111 R)
• M8: 4,158,671 km (0.098 R)
• M9: 4,601,631 km (0.028 R)
• M10: 5,174,142 km (0.043 R)
• M11: 5,616,652 km (0.119 R)
• M12: 6,047,195 km (0.102 R)
• M13: 6,538,175 km (0.088 R)
• M14: 8,538,298 km (0.117 R)
• M15: 8,820,141 km (0.108 R)
• M16: 9,804,495 km (0.094 R)
• M17: 12,765,037 km (0.106 R)
• M18: 13,573,164 km (0.12 R)
• M19: 15,359,961 km (0.1 R)
• M20: 16,562,279 km (0.092 R)
• M21: 17,075,101 km (0.077 R)
• M22: 18,055,565 km (0.086 R)
• M23: 20,045,965 km (0.11 R)
• M24: 22,801,259 km (0.053 R)
• M25: 24,175,764 km (0.119 R)
• M26: 26,389,364 km (0.101 R)
• M27: 29,368,605 km (0.077 R)
• M28: 31,215,391 km (0.063 R)
• M29: 35,379,448 km (0.082 R)
• M30: 36,722,089 km (0.055 R)
• M31: 37,093,989 km (0.113 R)
• M32: 40,029,997 km (0.109 R)
• M33: 42,297,302 km (0.086 R)
• M34: 42,842,885 km (0.115 R)
• M35: 43,531,484 km (0.116 R)
• M36: 52,223,719 km (0.083 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 15,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit