🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.22 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.9 AU - 2.96 AU

Year: 1344 Days

Day: 41.3 Hours

Environment

Temp: -84 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.4

Radius: 10.1

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.48 AU - 5.94 AU

Year: 4841 Days

Day: 12.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,725,420 km

• M1: 125,662 km (0.096 R)
• M2: 716,275 km (0.072 R)
• M3: 1,438,982 km (0.084 R)
• M4: 2,097,961 km (0.117 R)
• M5: 2,576,674 km (0.06 R)
• M6: 3,145,594 km (0.117 R)
• M7: 3,610,395 km (0.081 R)
• M8: 4,606,118 km (0.085 R)
• M9: 5,691,750 km (0.064 R)
• M10: 6,444,527 km (0.105 R)
• M11: 7,067,602 km (0.119 R)
• M12: 7,867,950 km (0.112 R)
• M13: 8,290,116 km (0.12 R)
• M14: 8,616,688 km (0.111 R)
• M15: 9,295,712 km (0.108 R)
• M16: 11,637,518 km (0.114 R)
• M17: 15,573,737 km (0.056 R)
• M18: 17,452,836 km (0.079 R)
• M19: 18,786,800 km (0.082 R)
• M20: 19,992,409 km (0.116 R)
• M21: 20,913,184 km (0.119 R)
• M22: 22,416,942 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.5

Radius: 13.7

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.73 AU - 7.49 AU

Year: 6726 Days

Day: 13.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,725,420 km

• M1: 170,392 km (0.04 R)
• M2: 802,293 km (0.091 R)
• M3: 1,416,093 km (0.073 R)
• M4: 2,144,336 km (0.082 R)
• M5: 2,845,950 km (0.094 R)
• M6: 3,882,364 km (0.068 R)
• M7: 4,457,119 km (0.098 R)
• M8: 5,390,161 km (0.088 R)
• M9: 6,476,541 km (0.111 R)
• M10: 7,613,784 km (0.1 R)
• M11: 8,104,315 km (0.088 R)
• M12: 9,528,636 km (0.064 R)
• M13: 15,423,092 km (0.109 R)
• M14: 16,261,139 km (0.115 R)
• M15: 17,601,386 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.7

Radius: 14.6

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.36 AU - 8.3 AU

Year: 7040 Days

Day: 13.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,725,420 km

• M1: 181,612 km (0.118 R)
• M2: 644,168 km (0.114 R)
• M3: 1,348,326 km (0.055 R)
• M4: 2,351,379 km (0.061 R)
• M5: 3,761,040 km (0.115 R)
• M6: 4,287,176 km (0.061 R)
• M7: 5,614,408 km (0.092 R)
• M8: 7,088,994 km (0.045 R)
• M9: 9,245,896 km (0.111 R)
• M10: 10,941,289 km (0.069 R)
• M11: 12,397,325 km (0.116 R)
• M12: 14,635,908 km (0.116 R)
• M13: 19,530,600 km (0.032 R)
• M14: 21,352,852 km (0.07 R)
• M15: 22,144,674 km (0.057 R)
• M16: 24,638,321 km (0.093 R)
• M17: 31,784,162 km (0.113 R)
• M18: 33,236,159 km (0.028 R)
• M19: 34,840,446 km (0.064 R)
• M20: 37,972,577 km (0.105 R)

Kuiper Belt

Range: 30.9 - 46.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 18,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit