🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.4 AU - 0.62 AU

Year: 136 Days

Day: 39.3 Hours

Environment

Temp: 173 °C

Axial Tilt: 27.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.5 AU - 0.82 AU

Year: 201 Days

Day: 17.4 Hours

Environment

Temp: 114 °C

Axial Tilt: 8.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 14,448,279 km

• M1: 120,127 km (0.079 R)
• M2: 217,665 km (0.08 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.71 AU - 1.07 AU

Year: 315 Days

Day: 31.8 Hours

Environment

Temp: 32 °C

Axial Tilt: 5.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.62 AU - 1.86 AU

Year: 860 Days

Day: 20 Hours

Environment

Temp: -63 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.35 AU - 2.13 AU

Year: 860 Days

Day: 17.7 Hours

Environment

Temp: -59 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.38 AU - 2.64 AU

Year: 1490 Days

Day: 44.4 Hours

Environment

Temp: -105 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 14,448,279 km

• M1: 971,489 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667

Radius: 12.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.42 AU - 5.52 AU

Year: 4152 Days

Day: 12.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 156.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 14,448,279 km

• M1: 168,447 km (0.098 R)
• M2: 263,143 km (0.052 R)
• M3: 479,910 km (0.065 R)
• M4: 564,882 km (0.093 R)
• M5: 656,435 km (0.102 R)
• M6: 753,824 km (0.074 R)
• M7: 880,683 km (0.065 R)
• M8: 1,040,603 km (0.113 R)
• M9: 1,170,753 km (0.049 R)
• M10: 1,265,448 km (0.095 R)
• M11: 1,565,542 km (0.075 R)
• M12: 2,066,844 km (0.112 R)
• M13: 2,166,327 km (0.099 R)
• M14: 2,284,509 km (0.086 R)
• M15: 2,439,792 km (0.103 R)
• M16: 2,616,467 km (0.077 R)
• M17: 2,779,379 km (0.057 R)
• M18: 3,020,531 km (0.03 R)
• M19: 3,115,076 km (0.091 R)
• M20: 3,326,907 km (0.12 R)
• M21: 3,846,460 km (0.108 R)
• M22: 3,990,822 km (0.101 R)
• M23: 4,263,689 km (0.101 R)
• M24: 4,413,137 km (0.034 R)
• M25: 5,006,293 km (0.086 R)
• M26: 5,788,989 km (0.069 R)
• M27: 5,931,107 km (0.066 R)
• M28: 6,026,401 km (0.093 R)
• M29: 6,437,645 km (0.114 R)
• M30: 6,560,315 km (0.095 R)
• M31: 7,185,635 km (0.097 R)
• M32: 7,699,653 km (0.109 R)
• M33: 8,332,153 km (0.098 R)
• M34: 8,627,758 km (0.059 R)
• M35: 9,008,933 km (0.073 R)
• M36: 9,146,414 km (0.092 R)
• M37: 9,229,291 km (0.063 R)
• M38: 9,731,641 km (0.076 R)
• M39: 10,071,377 km (0.099 R)
• M40: 10,185,521 km (0.096 R)
• M41: 10,530,643 km (0.118 R)
• M42: 10,733,647 km (0.027 R)
• M43: 10,821,162 km (0.098 R)
• M44: 11,291,498 km (0.076 R)
• M45: 11,499,289 km (0.073 R)
• M46: 11,648,588 km (0.118 R)
• M47: 12,009,567 km (0.07 R)
• M48: 12,527,176 km (0.069 R)
• M49: 12,742,447 km (0.084 R)
• M50: 14,572,927 km (0.081 R)
• M51: 15,124,943 km (0.067 R)
• M52: 15,387,188 km (0.088 R)
• M53: 15,882,806 km (0.103 R)
• M54: 16,350,150 km (0.117 R)
• M55: 17,264,193 km (0.083 R)
• M56: 18,021,307 km (0.096 R)
• M57: 18,403,979 km (0.092 R)
• M58: 18,613,865 km (0.061 R)
• M59: 18,894,809 km (0.091 R)
• M60: 19,248,160 km (0.066 R)
• M61: 20,285,022 km (0.084 R)
• M62: 20,974,070 km (0.099 R)
• M63: 21,486,892 km (0.099 R)
• M64: 21,597,295 km (0.112 R)
• M65: 21,892,601 km (0.118 R)
• M66: 22,487,402 km (0.03 R)
• M67: 22,599,451 km (0.096 R)
• M68: 22,936,944 km (0.026 R)
• M69: 23,087,439 km (0.071 R)
• M70: 23,654,864 km (0.099 R)
• M71: 23,883,001 km (0.043 R)
• M72: 24,649,092 km (0.036 R)
• M73: 25,345,470 km (0.096 R)
• M74: 25,696,127 km (0.087 R)
• M75: 25,852,457 km (0.114 R)
• M76: 26,087,625 km (0.064 R)
• M77: 26,441,573 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.3

Radius: 11.4

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.49 AU - 7.13 AU

Year: 6660 Days

Day: 10.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 14,448,279 km

• M1: 173,534 km (0.065 R)
• M2: 256,261 km (0.119 R)
• M3: 346,768 km (0.043 R)
• M4: 721,660 km (0.049 R)
• M5: 859,290 km (0.112 R)
• M6: 964,607 km (0.089 R)
• M7: 1,135,747 km (0.077 R)
• M8: 1,354,758 km (0.026 R)
• M9: 1,658,442 km (0.108 R)
• M10: 2,082,402 km (0.11 R)
• M11: 2,250,102 km (0.119 R)
• M12: 2,469,113 km (0.052 R)
• M13: 2,551,541 km (0.092 R)
• M14: 2,683,187 km (0.073 R)
• M15: 3,142,303 km (0.063 R)
• M16: 3,546,068 km (0.104 R)
• M17: 3,966,588 km (0.069 R)
• M18: 4,331,606 km (0.068 R)
• M19: 4,518,155 km (0.063 R)
• M20: 5,018,859 km (0.067 R)
• M21: 5,124,176 km (0.12 R)
• M22: 5,260,759 km (0.034 R)
• M23: 5,490,990 km (0.112 R)
• M24: 5,693,097 km (0.119 R)
• M25: 6,009,197 km (0.043 R)
• M26: 6,089,082 km (0.042 R)
• M27: 6,412,214 km (0.037 R)
• M28: 6,974,552 km (0.112 R)
• M29: 7,092,285 km (0.06 R)
• M30: 7,415,267 km (0.083 R)
• M31: 7,569,951 km (0.118 R)
• M32: 7,656,419 km (0.119 R)
• M33: 7,900,114 km (0.111 R)
• M34: 8,022,934 km (0.099 R)
• M35: 8,234,914 km (0.111 R)
• M36: 8,305,973 km (0.061 R)
• M37: 8,574,501 km (0.111 R)
• M38: 8,882,224 km (0.108 R)
• M39: 9,009,981 km (0.098 R)
• M40: 9,083,284 km (0.076 R)
• M41: 9,248,888 km (0.091 R)
• M42: 10,340,354 km (0.114 R)
• M43: 10,940,391 km (0.031 R)
• M44: 11,254,397 km (0.118 R)
• M45: 11,333,385 km (0.096 R)
• M46: 11,691,223 km (0.096 R)
• M47: 12,234,862 km (0.049 R)
• M48: 12,356,934 km (0.101 R)
• M49: 12,560,985 km (0.112 R)
• M50: 13,915,145 km (0.093 R)
• M51: 14,106,331 km (0.096 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 16,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit