🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.09 AU - 1.63 AU

Year: 563 Days

Day: 22.4 Hours

Environment

Temp: -7 °C

Axial Tilt: 3.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 72,368,551 km

• M1: 57,146 km (0.093 R)
• M2: 546,631 km (0.05 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.75 AU - 6.03 AU

Year: 3836 Days

Day: 43.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626

Radius: 13.1

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.04 AU - 7.66 AU

Year: 6360 Days

Day: 14.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,368,551 km

• M1: 162,912 km (0.083 R)
• M2: 724,054 km (0.049 R)
• M3: 1,305,989 km (0.071 R)
• M4: 1,911,262 km (0.119 R)
• M5: 2,866,146 km (0.115 R)
• M6: 4,044,827 km (0.101 R)
• M7: 4,785,337 km (0.052 R)
• M8: 5,231,438 km (0.105 R)
• M9: 8,562,085 km (0.062 R)
• M10: 10,976,145 km (0.076 R)
• M11: 11,459,496 km (0.113 R)
• M12: 16,286,271 km (0.049 R)
• M13: 18,090,422 km (0.05 R)
• M14: 18,834,522 km (0.084 R)
• M15: 19,810,947 km (0.09 R)
• M16: 21,487,939 km (0.107 R)
• M17: 23,495,542 km (0.116 R)
• M18: 24,056,834 km (0.076 R)
• M19: 24,626,951 km (0.073 R)
• M20: 25,709,740 km (0.066 R)
• M21: 30,454,985 km (0.077 R)
• M22: 31,315,023 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.3

Radius: 3.3

Gravity: 50.26 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 12.52 AU - 17.62 AU

Year: 20754 Days

Day: 18.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,368,551 km

• M1: 40,990 km (0.04 R)
• M2: 148,251 km (0.107 R)
• M3: 305,180 km (0.11 R)
• M4: 491,579 km (0.083 R)
• M5: 691,890 km (0.072 R)
• M6: 832,363 km (0.076 R)
• M7: 2,501,127 km (0.105 R)
• M8: 3,011,106 km (0.083 R)
• M9: 4,009,821 km (0.052 R)
• M10: 5,476,628 km (0.087 R)
• M11: 6,118,553 km (0.083 R)
• M12: 7,695,015 km (0.11 R)
• M13: 13,086,223 km (0.104 R)
• M14: 14,446,966 km (0.104 R)
• M15: 17,530,178 km (0.092 R)
• M16: 21,119,779 km (0.114 R)
• M17: 22,984,366 km (0.096 R)
• M18: 24,531,807 km (0.104 R)
• M19: 26,478,674 km (0.092 R)
• M20: 26,589,675 km (0.1 R)
• M21: 26,701,126 km (0.032 R)
• M22: 33,448,438 km (0.095 R)
• M23: 33,578,140 km (0.068 R)
• M24: 34,232,331 km (0.073 R)
• M25: 35,296,570 km (0.1 R)
• M26: 35,566,146 km (0.041 R)
• M27: 38,764,249 km (0.095 R)
• M28: 43,525,201 km (0.11 R)
• M29: 45,565,567 km (0.054 R)
• M30: 48,994,948 km (0.095 R)
• M31: 52,417,000 km (0.07 R)
• M32: 56,361,596 km (0.106 R)
• M33: 57,470,715 km (0.115 R)
• M34: 59,351,459 km (0.12 R)
• M35: 65,848,495 km (0.119 R)

Kuiper Belt

Range: 30.9 - 60.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 13,821 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit