🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.26 AU - 1.42 AU

Year: 543 Days

Day: 30.2 Hours

Environment

Temp: 14 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 102,344,934 km

• M1: 103,821 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.93 AU - 4.77 AU

Year: 2643 Days

Day: 20 Hours

Environment

Temp: -112 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Ice Giant

Semi-Major Axis: 13.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.6

Radius: 7.2

Gravity: 16.81 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 10.32 AU - 16.48 AU

Year: 17161 Days

Day: 16.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 102,344,934 km

• M1: 89,609 km (0.074 R)
• M2: 382,821 km (0.101 R)
• M3: 1,030,131 km (0.081 R)
• M4: 1,322,595 km (0.057 R)
• M5: 2,097,213 km (0.109 R)
• M6: 2,369,780 km (0.068 R)
• M7: 2,885,145 km (0.107 R)
• M8: 3,250,463 km (0.08 R)
• M9: 5,878,897 km (0.088 R)
• M10: 8,159,965 km (0.077 R)
• M11: 9,552,871 km (0.119 R)
• M12: 11,604,606 km (0.072 R)
• M13: 13,078,594 km (0.097 R)
• M14: 14,006,101 km (0.109 R)
• M15: 14,448,611 km (0.099 R)
• M16: 18,683,128 km (0.116 R)
• M17: 19,491,406 km (0.073 R)
• M18: 19,858,070 km (0.119 R)
• M19: 21,274,164 km (0.094 R)
• M20: 22,354,410 km (0.078 R)
• M21: 23,781,723 km (0.089 R)
• M22: 24,200,448 km (0.12 R)
• M23: 28,779,938 km (0.059 R)
• M24: 32,219,342 km (0.034 R)
• M25: 33,773,664 km (0.041 R)
• M26: 34,971,943 km (0.093 R)
• M27: 36,198,047 km (0.088 R)
• M28: 38,880,487 km (0.086 R)
• M29: 42,916,039 km (0.099 R)
• M30: 49,564,467 km (0.12 R)
• M31: 52,865,644 km (0.1 R)
• M32: 54,660,519 km (0.085 R)
• M33: 56,310,434 km (0.065 R)
• M34: 60,677,046 km (0.087 R)
• M35: 66,912,285 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.5

Radius: 5.5

Gravity: 28.21 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 14.73 AU - 22.37 AU

Year: 27951 Days

Day: 24.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 102,344,934 km

• M1: 68,516 km (0.093 R)
• M2: 245,191 km (0.041 R)
• M3: 495,169 km (0.115 R)
• M4: 695,181 km (0.06 R)
• M5: 2,059,215 km (0.045 R)
• M6: 3,085,905 km (0.116 R)
• M7: 9,142,075 km (0.11 R)
• M8: 10,687,122 km (0.117 R)
• M9: 11,098,965 km (0.113 R)
• M10: 11,736,551 km (0.081 R)
• M11: 12,624,265 km (0.049 R)
• M12: 14,284,053 km (0.09 R)
• M13: 16,899,772 km (0.09 R)
• M14: 20,860,974 km (0.054 R)
• M15: 27,005,408 km (0.061 R)
• M16: 28,156,114 km (0.103 R)
• M17: 33,960,213 km (0.11 R)
• M18: 37,453,173 km (0.115 R)
• M19: 42,188,993 km (0.12 R)
• M20: 42,700,618 km (0.058 R)
• M21: 45,142,803 km (0.114 R)
• M22: 50,494,667 km (0.088 R)
• M23: 51,847,032 km (0.105 R)
• M24: 52,042,257 km (0.116 R)
• M25: 55,231,534 km (0.095 R)
• M26: 59,398,433 km (0.116 R)
• M27: 70,721,795 km (0.093 R)
• M28: 76,129,160 km (0.08 R)
• M29: 76,887,172 km (0.079 R)
• M30: 82,600,913 km (0.104 R)
• M31: 83,133,930 km (0.075 R)
• M32: 84,476,571 km (0.099 R)
• M33: 85,833,573 km (0.089 R)
• M34: 102,038,464 km (0.117 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 14,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit