🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.42 AU - 0.7 AU

Year: 160 Days

Day: 23 Hours

Environment

Temp: 192 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.83 AU - 1.05 AU

Year: 347 Days

Day: 33.9 Hours

Environment

Temp: 32 °C

Axial Tilt: 14.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.78 AU - 1.28 AU

Year: 398 Days

Day: 16.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 13.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.15 AU - 1.81 AU

Year: 686 Days

Day: 19.9 Hours

Environment

Temp: -50 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.73 AU - 1.81 AU

Year: 897 Days

Day: 45.7 Hours

Environment

Temp: -67 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.83 AU - 2.89 AU

Year: 1842 Days

Day: 46.3 Hours

Environment

Temp: -101 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.3

Radius: 15

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.95 AU - 6.07 AU

Year: 4925 Days

Day: 5.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 16,721,252 km

• M1: 242,199 km (0.065 R)
• M2: 425,905 km (0.118 R)
• M3: 620,233 km (0.088 R)
• M4: 919,129 km (0.075 R)
• M5: 1,019,809 km (0.103 R)
• M6: 1,155,644 km (0.105 R)
• M7: 1,549,535 km (0.113 R)
• M8: 2,120,550 km (0.07 R)
• M9: 2,278,376 km (0.11 R)
• M10: 2,419,895 km (0.054 R)
• M11: 2,585,201 km (0.083 R)
• M12: 2,775,938 km (0.089 R)
• M13: 3,492,213 km (0.118 R)
• M14: 3,751,466 km (0.113 R)
• M15: 3,919,913 km (0.091 R)
• M16: 4,618,834 km (0.045 R)
• M17: 4,956,776 km (0.056 R)
• M18: 5,115,499 km (0.097 R)
• M19: 5,356,801 km (0.079 R)
• M20: 5,574,465 km (0.06 R)
• M21: 5,795,122 km (0.057 R)
• M22: 5,934,398 km (0.079 R)
• M23: 6,046,746 km (0.076 R)
• M24: 6,188,266 km (0.049 R)
• M25: 6,561,213 km (0.107 R)
• M26: 6,853,078 km (0.038 R)
• M27: 7,149,432 km (0.077 R)
• M28: 7,359,318 km (0.082 R)
• M29: 7,908,641 km (0.093 R)
• M30: 8,032,508 km (0.053 R)
• M31: 8,188,239 km (0.103 R)
• M32: 8,471,129 km (0.104 R)
• M33: 8,725,445 km (0.033 R)
• M34: 9,470,443 km (0.081 R)
• M35: 9,701,422 km (0.04 R)
• M36: 10,034,427 km (0.071 R)
• M37: 10,337,362 km (0.107 R)
• M38: 10,711,956 km (0.093 R)
• M39: 10,987,066 km (0.056 R)
• M40: 11,299,426 km (0.062 R)
• M41: 11,544,468 km (0.119 R)
• M42: 11,720,544 km (0.101 R)
• M43: 12,795,854 km (0.114 R)
• M44: 13,124,520 km (0.097 R)
• M45: 13,271,575 km (0.076 R)
• M46: 13,382,278 km (0.118 R)
• M47: 13,865,179 km (0.09 R)
• M48: 14,127,574 km (0.045 R)
• M49: 14,316,067 km (0.117 R)
• M50: 14,619,452 km (0.091 R)
• M51: 15,348,293 km (0.118 R)
• M52: 15,971,368 km (0.067 R)
• M53: 16,841,579 km (0.105 R)
• M54: 17,524,643 km (0.113 R)
• M55: 17,646,116 km (0.052 R)
• M56: 18,586,787 km (0.055 R)
• M57: 18,710,654 km (0.079 R)
• M58: 18,834,970 km (0.105 R)
• M59: 19,000,874 km (0.085 R)
• M60: 19,880,510 km (0.05 R)
• M61: 20,559,535 km (0.095 R)
• M62: 20,687,740 km (0.064 R)
• M63: 22,158,885 km (0.095 R)
• M64: 22,862,893 km (0.091 R)
• M65: 23,395,761 km (0.078 R)
• M66: 23,619,110 km (0.047 R)
• M67: 23,977,696 km (0.109 R)
• M68: 24,973,270 km (0.038 R)
• M69: 25,292,961 km (0.061 R)
• M70: 25,982,457 km (0.088 R)
• M71: 26,724,762 km (0.098 R)
• M72: 27,239,079 km (0.073 R)
• M73: 27,851,234 km (0.097 R)
• M74: 28,372,882 km (0.111 R)
• M75: 29,618,284 km (0.065 R)
• M76: 32,212,162 km (0.111 R)
• M77: 32,361,161 km (0.091 R)
• M78: 33,109,599 km (0.102 R)
• M79: 33,712,479 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.3

Radius: 10.7

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.6 AU - 9.52 AU

Year: 8714 Days

Day: 9.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 16,721,252 km

• M1: 166,652 km (0.068 R)
• M2: 237,113 km (0.059 R)
• M3: 730,038 km (0.093 R)
• M4: 946,805 km (0.084 R)
• M5: 1,204,712 km (0.099 R)
• M6: 1,295,817 km (0.081 R)
• M7: 1,431,652 km (0.116 R)
• M8: 1,539,512 km (0.032 R)
• M9: 1,903,483 km (0.06 R)
• M10: 2,095,567 km (0.107 R)
• M11: 2,486,167 km (0.056 R)
• M12: 2,845,202 km (0.12 R)
• M13: 3,234,904 km (0.096 R)
• M14: 3,320,624 km (0.119 R)
• M15: 3,716,161 km (0.056 R)
• M16: 4,219,857 km (0.099 R)
• M17: 4,424,357 km (0.093 R)
• M18: 4,745,394 km (0.064 R)
• M19: 5,090,516 km (0.102 R)
• M20: 5,875,157 km (0.107 R)
• M21: 6,157,000 km (0.092 R)
• M22: 6,587,991 km (0.09 R)
• M23: 6,862,354 km (0.116 R)
• M24: 6,936,105 km (0.115 R)
• M25: 7,121,906 km (0.094 R)
• M26: 8,270,518 km (0.078 R)
• M27: 8,467,539 km (0.116 R)
• M28: 10,225,314 km (0.067 R)
• M29: 10,500,574 km (0.092 R)
• M30: 10,799,919 km (0.062 R)
• M31: 11,626,298 km (0.081 R)
• M32: 11,758,692 km (0.111 R)
• M33: 12,721,803 km (0.114 R)
• M34: 12,835,497 km (0.109 R)
• M35: 12,926,602 km (0.098 R)
• M36: 12,995,118 km (0.088 R)
• M37: 13,617,296 km (0.098 R)
• M38: 14,249,197 km (0.081 R)
• M39: 14,319,957 km (0.105 R)
• M40: 15,931,425 km (0.056 R)
• M41: 16,300,034 km (0.046 R)
• M42: 16,473,119 km (0.112 R)
• M43: 16,547,320 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 15,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit