🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.55 AU - 0.59 AU

Year: 274 Days

Day: 18.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.5

Radius: 9.1

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.67 AU - 0.77 AU

Year: 388 Days

Day: 10.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,022,423 km

• M1: 113,246 km (0.104 R)
• M2: 434,432 km (0.112 R)
• M3: 761,004 km (0.119 R)
• M4: 1,135,448 km (0.037 R)
• M5: 1,473,240 km (0.118 R)
• M6: 1,949,111 km (0.092 R)
• M7: 2,674,212 km (0.114 R)
• M8: 3,099,219 km (0.078 R)
• M9: 3,503,433 km (0.107 R)
• M10: 4,133,389 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.5

Radius: 8.8

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.73 AU - 1.09 AU

Year: 552 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,022,423 km

• M1: 109,506 km (0.096 R)
• M2: 556,205 km (0.082 R)
• M3: 999,613 km (0.058 R)
• M4: 1,366,577 km (0.043 R)
• M5: 1,683,874 km (0.115 R)
• M6: 2,050,388 km (0.119 R)
• M7: 2,337,317 km (0.104 R)
• M8: 2,750,806 km (0.069 R)
• M9: 3,212,465 km (0.058 R)
• M10: 3,534,998 km (0.068 R)
• M11: 4,245,588 km (0.104 R)
• M12: 4,997,317 km (0.117 R)
• M13: 5,891,613 km (0.117 R)
• M14: 7,058,327 km (0.097 R)
• M15: 7,361,711 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.4

Radius: 13.8

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.44 AU - 2.22 AU

Year: 1574 Days

Day: 13.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,022,423 km

• M1: 171,738 km (0.089 R)
• M2: 874,848 km (0.091 R)
• M3: 1,514,828 km (0.068 R)
• M4: 2,012,989 km (0.112 R)
• M5: 2,805,259 km (0.067 R)
• M6: 3,289,807 km (0.106 R)
• M7: 4,523,840 km (0.103 R)
• M8: 5,011,379 km (0.034 R)
• M9: 5,686,664 km (0.105 R)
• M10: 6,398,151 km (0.057 R)
• M11: 7,456,407 km (0.075 R)
• M12: 9,951,250 km (0.099 R)
• M13: 11,264,869 km (0.078 R)
• M14: 12,882,172 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.2

Radius: 5.5

Gravity: 23.08 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.92 AU - 7.14 AU

Year: 11851 Days

Day: 18.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,022,423 km

• M1: 68,366 km (0.093 R)
• M2: 393,592 km (0.104 R)
• M3: 635,043 km (0.074 R)
• M4: 814,261 km (0.081 R)
• M5: 1,130,362 km (0.104 R)
• M6: 2,845,950 km (0.061 R)
• M7: 3,368,346 km (0.077 R)
• M8: 5,423,521 km (0.079 R)
• M9: 6,185,722 km (0.038 R)
• M10: 8,146,502 km (0.114 R)
• M11: 9,903,379 km (0.104 R)
• M12: 10,870,080 km (0.115 R)
• M13: 14,953,953 km (0.105 R)
• M14: 15,230,110 km (0.051 R)
• M15: 16,809,714 km (0.092 R)
• M16: 17,258,807 km (0.047 R)
• M17: 18,102,838 km (0.097 R)
• M18: 19,460,888 km (0.12 R)
• M19: 19,707,425 km (0.108 R)
• M20: 20,374,931 km (0.105 R)
• M21: 21,317,248 km (0.074 R)
• M22: 27,383,292 km (0.104 R)
• M23: 28,529,960 km (0.076 R)
• M24: 31,142,088 km (0.113 R)
• M25: 31,592,527 km (0.093 R)
• M26: 32,047,155 km (0.041 R)
• M27: 32,853,338 km (0.09 R)
• M28: 36,962,044 km (0.117 R)
• M29: 37,340,227 km (0.109 R)
• M30: 39,400,938 km (0.11 R)
• M31: 40,325,752 km (0.114 R)
• M32: 44,881,755 km (0.081 R)
• M33: 46,181,311 km (0.049 R)
• M34: 48,102,447 km (0.109 R)
• M35: 50,076,242 km (0.055 R)
• M36: 50,539,247 km (0.04 R)
• M37: 54,022,484 km (0.118 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 16,693 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit