🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.91 AU - 1.35 AU

Year: 448 Days

Day: 14.2 Hours

Environment

Temp: 12 °C

Axial Tilt: 20.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.23 AU - 3.37 AU

Year: 2235 Days

Day: 40 Hours

Environment

Temp: -109 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.3 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 13.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.2

Radius: 3.9

Gravity: 64.51 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 10.84 AU - 15.74 AU

Year: 18061 Days

Day: 24.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 56,444,189 km

• M1: 51,162 km (0.057 R)
• M2: 224,397 km (0.083 R)
• M3: 435,031 km (0.113 R)
• M4: 708,645 km (0.1 R)
• M5: 1,155,644 km (0.114 R)
• M6: 1,330,075 km (0.115 R)
• M7: 1,642,435 km (0.084 R)
• M8: 2,952,763 km (0.047 R)
• M9: 3,784,976 km (0.107 R)
• M10: 3,910,937 km (0.1 R)
• M11: 4,442,907 km (0.114 R)
• M12: 4,946,753 km (0.116 R)
• M13: 5,173,992 km (0.094 R)
• M14: 8,577,344 km (0.082 R)
• M15: 10,362,495 km (0.117 R)
• M16: 12,450,133 km (0.07 R)
• M17: 13,445,557 km (0.094 R)
• M18: 13,962,717 km (0.118 R)
• M19: 14,416,298 km (0.111 R)
• M20: 18,677,145 km (0.074 R)
• M21: 19,600,612 km (0.085 R)
• M22: 20,748,626 km (0.081 R)
• M23: 21,839,644 km (0.095 R)
• M24: 26,357,350 km (0.064 R)
• M25: 27,166,225 km (0.111 R)
• M26: 32,764,926 km (0.07 R)
• M27: 36,610,189 km (0.093 R)
• M28: 42,294,759 km (0.094 R)
• M29: 43,562,002 km (0.096 R)
• M30: 43,722,222 km (0.045 R)
• M31: 44,043,708 km (0.089 R)
• M32: 45,675,072 km (0.087 R)
• M33: 50,279,994 km (0.118 R)
• M34: 52,241,372 km (0.046 R)
• M35: 52,603,398 km (0.1 R)
• M36: 54,068,261 km (0.112 R)
• M37: 63,844,482 km (0.118 R)
• M38: 66,142,604 km (0.107 R)
• M39: 71,569,417 km (0.114 R)
• M40: 72,914,601 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.1

Radius: 5.9

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 14.26 AU - 14.96 AU

Year: 20818 Days

Day: 15.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 159.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,444,189 km

• M1: 73,453 km (0.054 R)
• M2: 544,985 km (0.085 R)
• M3: 741,557 km (0.039 R)
• M4: 2,905,639 km (0.037 R)
• M5: 3,391,533 km (0.06 R)
• M6: 4,279,696 km (0.048 R)
• M7: 5,348,423 km (0.12 R)
• M8: 12,007,623 km (0.093 R)
• M9: 13,378,538 km (0.087 R)
• M10: 17,410,051 km (0.09 R)
• M11: 19,658,207 km (0.075 R)
• M12: 24,141,356 km (0.048 R)
• M13: 26,414,795 km (0.109 R)
• M14: 39,147,070 km (0.103 R)
• M15: 40,486,569 km (0.096 R)
• M16: 50,102,720 km (0.104 R)
• M17: 53,945,291 km (0.069 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: 501 - 16,104 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit