🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.73 AU - 1.09 AU

Year: 331 Days

Day: 44.8 Hours

Environment

Temp: 30 °C

Axial Tilt: 33.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 64,589,099 km

• M1: 435,629 km (0.07 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.64 AU - 1.82 AU

Year: 866 Days

Day: 16.7 Hours

Environment

Temp: -63 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Ice Giant

Semi-Major Axis: 12.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.9

Radius: 4

Gravity: 17.62 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 10.82 AU - 14.06 AU

Year: 16708 Days

Day: 20.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,589,099 km

• M1: 49,816 km (0.114 R)
• M2: 193,280 km (0.081 R)
• M3: 421,567 km (0.118 R)
• M4: 2,020,918 km (0.081 R)
• M5: 2,274,636 km (0.042 R)
• M6: 3,506,275 km (0.106 R)
• M7: 3,634,331 km (0.111 R)
• M8: 6,394,262 km (0.12 R)
• M9: 14,337,610 km (0.103 R)
• M10: 15,405,439 km (0.058 R)
• M11: 18,151,906 km (0.076 R)
• M12: 19,479,737 km (0.081 R)
• M13: 22,679,187 km (0.078 R)
• M14: 24,496,053 km (0.108 R)
• M15: 28,210,867 km (0.07 R)
• M16: 28,416,265 km (0.049 R)
• M17: 36,610,638 km (0.081 R)
• M18: 38,092,704 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.7

Radius: 3.1

Gravity: 30.67 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 15.39 AU - 16.15 AU

Year: 23848 Days

Day: 22.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,589,099 km

• M1: 51,761 km (0.119 R)
• M2: 183,706 km (0.102 R)
• M3: 355,744 km (0.081 R)
• M4: 844,630 km (0.043 R)
• M5: 1,159,982 km (0.095 R)
• M6: 1,942,977 km (0.114 R)
• M7: 2,759,034 km (0.088 R)
• M8: 2,950,968 km (0.031 R)
• M9: 4,263,390 km (0.101 R)
• M10: 4,585,773 km (0.087 R)
• M11: 4,820,941 km (0.119 R)
• M12: 5,574,765 km (0.042 R)
• M13: 7,312,045 km (0.053 R)
• M14: 7,586,407 km (0.046 R)
• M15: 7,962,945 km (0.076 R)
• M16: 13,028,030 km (0.051 R)
• M17: 13,161,471 km (0.113 R)
• M18: 15,949,676 km (0.112 R)
• M19: 23,633,472 km (0.071 R)
• M20: 24,637,423 km (0.098 R)
• M21: 28,374,677 km (0.081 R)
• M22: 31,864,496 km (0.047 R)
• M23: 37,618,778 km (0.116 R)
• M24: 38,847,126 km (0.093 R)
• M25: 39,820,709 km (0.109 R)
• M26: 40,953,315 km (0.098 R)
• M27: 41,096,330 km (0.087 R)
• M28: 42,839,145 km (0.071 R)
• M29: 47,252,881 km (0.103 R)
• M30: 51,792,877 km (0.11 R)
• M31: 52,295,975 km (0.11 R)
• M32: 52,633,019 km (0.072 R)
• M33: 55,732,836 km (0.098 R)
• M34: 55,908,614 km (0.067 R)
• M35: 60,052,176 km (0.076 R)
• M36: 61,727,672 km (0.11 R)
• M37: 62,104,210 km (0.091 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: 465 - 16,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit