🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.49 AU - 0.61 AU

Year: 268 Days

Day: 12.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,053,602 km

• M1: 95,593 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.4

Radius: 14

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.9 AU - 1.04 AU

Year: 627 Days

Day: 12 Hours

Environment

Temp: -165 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,053,602 km

• M1: 174,132 km (0.117 R)
• M2: 713,881 km (0.116 R)
• M3: 1,291,179 km (0.104 R)
• M4: 1,987,857 km (0.108 R)
• M5: 2,926,733 km (0.049 R)
• M6: 3,385,250 km (0.09 R)
• M7: 3,840,477 km (0.105 R)
• M8: 4,666,706 km (0.101 R)
• M9: 5,217,525 km (0.091 R)
• M10: 5,880,244 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.4

Radius: 12.1

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.59 AU - 3.29 AU

Year: 3307 Days

Day: 8.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,053,602 km

• M1: 150,495 km (0.072 R)
• M2: 530,025 km (0.112 R)
• M3: 912,547 km (0.029 R)
• M4: 1,294,171 km (0.055 R)
• M5: 1,764,208 km (0.083 R)
• M6: 2,321,759 km (0.113 R)
• M7: 2,856,422 km (0.081 R)
• M8: 3,235,802 km (0.052 R)
• M9: 4,020,144 km (0.101 R)
• M10: 4,561,688 km (0.11 R)
• M11: 5,645,076 km (0.103 R)
• M12: 7,004,472 km (0.111 R)
• M13: 7,405,244 km (0.1 R)
• M14: 9,164,665 km (0.111 R)
• M15: 10,470,804 km (0.051 R)
• M16: 12,099,476 km (0.066 R)
• M17: 14,342,696 km (0.112 R)
• M18: 15,180,145 km (0.113 R)
• M19: 15,902,553 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.2

Radius: 7.5

Gravity: 15.59 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.68 AU - 6.38 AU

Year: 9714 Days

Day: 23.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,053,602 km

• M1: 93,199 km (0.119 R)
• M2: 390,450 km (0.08 R)
• M3: 628,461 km (0.116 R)
• M4: 1,188,106 km (0.04 R)
• M5: 1,716,636 km (0.044 R)
• M6: 2,026,303 km (0.102 R)
• M7: 2,956,353 km (0.092 R)
• M8: 3,306,113 km (0.088 R)
• M9: 4,553,759 km (0.078 R)
• M10: 5,350,368 km (0.097 R)
• M11: 5,693,994 km (0.069 R)
• M12: 8,073,199 km (0.101 R)
• M13: 8,852,304 km (0.112 R)
• M14: 9,284,642 km (0.074 R)
• M15: 11,378,115 km (0.107 R)
• M16: 11,831,845 km (0.096 R)
• M17: 12,896,533 km (0.073 R)
• M18: 13,389,757 km (0.084 R)
• M19: 14,217,782 km (0.114 R)
• M20: 14,611,374 km (0.094 R)
• M21: 15,420,249 km (0.095 R)
• M22: 16,187,686 km (0.081 R)
• M23: 17,348,865 km (0.031 R)
• M24: 17,949,949 km (0.073 R)
• M25: 27,175,650 km (0.096 R)
• M26: 31,499,926 km (0.115 R)
• M27: 33,075,491 km (0.12 R)
• M28: 35,416,697 km (0.042 R)
• M29: 39,131,961 km (0.087 R)
• M30: 39,905,082 km (0.073 R)
• M31: 41,348,552 km (0.088 R)
• M32: 50,293,009 km (0.072 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 16,738 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit