🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.03 AU - 1.47 AU

Year: 498 Days

Day: 26.3 Hours

Environment

Temp: 7 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.13 AU - 1.77 AU

Year: 622 Days

Day: 22.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 21.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.67 AU - 3.37 AU

Year: 1871 Days

Day: 20 Hours

Environment

Temp: -86 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,071,858 km

• M1: 282,740 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.31 AU - 3.37 AU

Year: 2176 Days

Day: 30.9 Hours

Environment

Temp: -105 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.01 AU - 4.15 AU

Year: 2938 Days

Day: 19.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.99 AU - 5.15 AU

Year: 3482 Days

Day: 32.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 29,071,858 km

• M1: 1,634,207 km (0.088 R)
• M2: 1,858,305 km (0.05 R)

Planet 7 - Terrestrial

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.37 AU - 6.01 AU

Year: 4215 Days

Day: 18.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 11.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.3

Radius: 12.4

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 8.56 AU - 14.08 AU

Year: 13576 Days

Day: 13.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 29,071,858 km

• M1: 262,245 km (0.084 R)
• M2: 394,938 km (0.106 R)
• M3: 487,091 km (0.066 R)
• M4: 635,043 km (0.104 R)
• M5: 1,741,768 km (0.063 R)
• M6: 2,385,936 km (0.091 R)
• M7: 2,957,101 km (0.101 R)
• M8: 3,450,176 km (0.096 R)
• M9: 3,660,809 km (0.115 R)
• M10: 3,813,848 km (0.034 R)
• M11: 4,094,943 km (0.061 R)
• M12: 4,382,918 km (0.103 R)
• M13: 4,743,748 km (0.117 R)
• M14: 5,046,385 km (0.106 R)
• M15: 5,320,598 km (0.079 R)
• M16: 6,282,363 km (0.071 R)
• M17: 6,466,368 km (0.042 R)
• M18: 6,652,169 km (0.03 R)
• M19: 6,764,517 km (0.071 R)
• M20: 7,451,919 km (0.077 R)
• M21: 7,764,728 km (0.106 R)
• M22: 8,241,945 km (0.066 R)
• M23: 8,687,896 km (0.061 R)
• M24: 10,592,726 km (0.101 R)
• M25: 10,944,580 km (0.102 R)
• M26: 11,255,744 km (0.099 R)
• M27: 11,569,600 km (0.069 R)
• M28: 11,750,314 km (0.11 R)
• M29: 12,436,370 km (0.116 R)
• M30: 12,714,473 km (0.111 R)
• M31: 12,994,669 km (0.099 R)
• M32: 13,703,913 km (0.081 R)
• M33: 13,847,377 km (0.105 R)
• M34: 14,280,463 km (0.09 R)
• M35: 15,061,514 km (0.114 R)
• M36: 16,360,322 km (0.119 R)
• M37: 17,331,961 km (0.115 R)
• M38: 18,059,904 km (0.09 R)
• M39: 18,744,912 km (0.105 R)
• M40: 19,545,710 km (0.107 R)
• M41: 22,014,823 km (0.102 R)
• M42: 22,464,065 km (0.081 R)
• M43: 24,522,681 km (0.073 R)
• M44: 27,299,816 km (0.091 R)
• M45: 27,540,818 km (0.09 R)
• M46: 28,389,637 km (0.074 R)
• M47: 28,511,559 km (0.093 R)
• M48: 29,124,013 km (0.065 R)
• M49: 30,549,082 km (0.096 R)
• M50: 31,427,670 km (0.118 R)
• M51: 31,553,931 km (0.093 R)
• M52: 32,761,036 km (0.098 R)
• M53: 33,724,746 km (0.073 R)
• M54: 36,075,527 km (0.096 R)
• M55: 36,870,789 km (0.071 R)
• M56: 37,270,664 km (0.08 R)
• M57: 38,209,091 km (0.1 R)
• M58: 38,546,135 km (0.063 R)
• M59: 38,816,608 km (0.033 R)
• M60: 39,699,535 km (0.113 R)
• M61: 40,246,315 km (0.059 R)
• M62: 40,795,489 km (0.088 R)
• M63: 40,933,119 km (0.092 R)
• M64: 41,693,226 km (0.038 R)
• M65: 42,040,293 km (0.052 R)
• M66: 42,597,545 km (0.03 R)
• M67: 43,017,017 km (0.104 R)
• M68: 43,297,513 km (0.098 R)
• M69: 44,001,371 km (0.077 R)
• M70: 44,425,332 km (0.112 R)
• M71: 45,420,158 km (0.104 R)
• M72: 46,998,415 km (0.119 R)
• M73: 47,649,166 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16.5

Radius: 4.3

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 16.42 AU - 22.36 AU

Year: 30434 Days

Day: 15.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 29,071,858 km

• M1: 427,700 km (0.037 R)
• M2: 556,654 km (0.108 R)
• M3: 673,490 km (0.065 R)
• M4: 916,586 km (0.078 R)
• M5: 1,069,176 km (0.103 R)
• M6: 1,541,157 km (0.039 R)
• M7: 1,639,144 km (0.113 R)
• M8: 2,727,169 km (0.067 R)
• M9: 3,296,090 km (0.063 R)
• M10: 4,726,694 km (0.115 R)
• M11: 6,243,318 km (0.084 R)
• M12: 6,505,114 km (0.117 R)
• M13: 6,557,922 km (0.063 R)
• M14: 6,824,206 km (0.101 R)
• M15: 7,699,503 km (0.096 R)
• M16: 7,783,428 km (0.102 R)
• M17: 8,235,812 km (0.081 R)
• M18: 8,871,752 km (0.103 R)
• M19: 9,018,358 km (0.12 R)
• M20: 10,715,695 km (0.05 R)
• M21: 11,345,353 km (0.075 R)
• M22: 11,408,932 km (0.034 R)
• M23: 11,954,366 km (0.105 R)
• M24: 12,574,150 km (0.101 R)
• M25: 12,607,061 km (0.07 R)
• M26: 12,904,462 km (0.105 R)
• M27: 13,204,256 km (0.106 R)
• M28: 14,117,252 km (0.062 R)
• M29: 14,529,544 km (0.095 R)
• M30: 15,015,437 km (0.08 R)
• M31: 15,330,640 km (0.089 R)
• M32: 16,182,002 km (0.086 R)
• M33: 16,361,220 km (0.09 R)
• M34: 16,721,751 km (0.084 R)
• M35: 16,866,711 km (0.079 R)
• M36: 17,194,330 km (0.087 R)
• M37: 17,708,199 km (0.069 R)
• M38: 19,090,334 km (0.092 R)
• M39: 20,661,860 km (0.118 R)
• M40: 20,856,337 km (0.102 R)
• M41: 21,640,230 km (0.078 R)
• M42: 21,837,699 km (0.097 R)
• M43: 22,633,709 km (0.1 R)
• M44: 23,967,673 km (0.101 R)
• M45: 24,829,806 km (0.088 R)
• M46: 24,953,822 km (0.109 R)
• M47: 25,243,893 km (0.104 R)
• M48: 25,326,920 km (0.05 R)
• M49: 25,535,160 km (0.09 R)
• M50: 28,551,053 km (0.115 R)
• M51: 28,941,354 km (0.09 R)

Kuiper Belt

Range: 30.8 - 52.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 13,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit