🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.28 AU - 1.66 AU

Year: 621 Days

Day: 35.4 Hours

Environment

Temp: 4 °C

Axial Tilt: 10.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.34 AU - 1.8 AU

Year: 685 Days

Day: 30.2 Hours

Environment

Temp: -16 °C

Axial Tilt: 16.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 28,567,009 km

• M1: 157,527 km (0.079 R)
• M2: 253,120 km (0.038 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.9 AU - 2.14 AU

Year: 1000 Days

Day: 41.6 Hours

Environment

Temp: -58 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.86 AU - 2.32 AU

Year: 1052 Days

Day: 12.8 Hours

Environment

Temp: -56 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,567,009 km

• M1: 1,099,096 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.39 AU - 3.57 AU

Year: 2261 Days

Day: 33.4 Hours

Environment

Temp: -91 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 28,567,009 km

• M1: 137,032 km (0.099 R)
• M2: 1,312,273 km (0.093 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.43 AU - 5.05 AU

Year: 3040 Days

Day: 33.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 28,567,009 km

• M1: 213,177 km (0.113 R)
• M2: 595,848 km (0.095 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.54 AU - 5.46 AU

Year: 3324 Days

Day: 31.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.6

Radius: 13.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.62 AU - 7.52 AU

Year: 5865 Days

Day: 11.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 28,567,009 km

• M1: 172,486 km (0.092 R)
• M2: 283,937 km (0.116 R)
• M3: 433,684 km (0.117 R)
• M4: 754,871 km (0.081 R)
• M5: 951,143 km (0.098 R)
• M6: 1,151,604 km (0.101 R)
• M7: 1,307,934 km (0.114 R)
• M8: 1,472,043 km (0.081 R)
• M9: 1,564,495 km (0.115 R)
• M10: 1,691,054 km (0.085 R)
• M11: 2,144,336 km (0.057 R)
• M12: 2,449,366 km (0.025 R)
• M13: 2,711,312 km (0.065 R)
• M14: 3,283,374 km (0.07 R)
• M15: 3,510,164 km (0.088 R)
• M16: 3,657,369 km (0.113 R)
• M17: 4,423,908 km (0.094 R)
• M18: 4,583,230 km (0.078 R)
• M19: 4,931,045 km (0.054 R)
• M20: 5,530,035 km (0.086 R)
• M21: 6,051,234 km (0.113 R)
• M22: 6,279,520 km (0.037 R)
• M23: 6,744,620 km (0.11 R)
• M24: 6,875,817 km (0.102 R)
• M25: 7,007,763 km (0.111 R)
• M26: 7,114,127 km (0.102 R)
• M27: 7,571,747 km (0.042 R)
• M28: 8,011,265 km (0.119 R)
• M29: 8,178,216 km (0.11 R)
• M30: 8,487,435 km (0.118 R)
• M31: 8,743,248 km (0.075 R)
• M32: 8,857,840 km (0.091 R)
• M33: 9,030,625 km (0.079 R)
• M34: 9,881,388 km (0.045 R)
• M35: 10,090,676 km (0.032 R)
• M36: 10,241,021 km (0.108 R)
• M37: 10,422,484 km (0.105 R)
• M38: 10,727,215 km (0.071 R)
• M39: 11,127,838 km (0.119 R)
• M40: 11,408,184 km (0.086 R)
• M41: 12,359,178 km (0.057 R)
• M42: 12,811,711 km (0.036 R)
• M43: 14,269,393 km (0.08 R)
• M44: 14,573,974 km (0.074 R)
• M45: 14,983,573 km (0.095 R)
• M46: 15,883,853 km (0.049 R)
• M47: 15,988,871 km (0.088 R)
• M48: 16,094,188 km (0.097 R)
• M49: 17,087,667 km (0.108 R)
• M50: 18,174,047 km (0.105 R)
• M51: 18,762,715 km (0.093 R)
• M52: 18,910,816 km (0.114 R)
• M53: 19,619,761 km (0.092 R)
• M54: 19,732,558 km (0.044 R)
• M55: 21,372,150 km (0.117 R)
• M56: 21,526,984 km (0.06 R)
• M57: 21,915,490 km (0.055 R)
• M58: 22,267,045 km (0.08 R)
• M59: 22,384,778 km (0.116 R)
• M60: 22,817,864 km (0.038 R)
• M61: 24,902,510 km (0.082 R)
• M62: 25,106,113 km (0.088 R)
• M63: 25,228,634 km (0.1 R)
• M64: 25,351,304 km (0.094 R)
• M65: 25,515,114 km (0.091 R)
• M66: 25,843,930 km (0.096 R)
• M67: 26,505,751 km (0.106 R)
• M68: 26,672,104 km (0.115 R)
• M69: 27,635,065 km (0.112 R)
• M70: 28,354,332 km (0.084 R)
• M71: 28,481,939 km (0.113 R)

Kuiper Belt

Range: 31.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 19,025 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit