🌌 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: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.49 AU - 0.53 AU

Year: 127 Days

Day: 30.6 Hours

Environment

Temp: 206 °C

Axial Tilt: 26.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 21,012,106 km

• M1: 207,941 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.45 AU - 0.61 AU

Year: 135 Days

Day: 24.2 Hours

Environment

Temp: 252 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 21,012,106 km

• M1: 158,574 km (0.062 R)

Planet 3 - Terrestrial

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.06 AU - 5.06 AU

Year: 3982 Days

Day: 34.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.13 AU - 5.53 AU

Year: 4305 Days

Day: 37.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.33 AU - 6.77 AU

Year: 4574 Days

Day: 43.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.3

Radius: 13

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.76 AU - 8.92 AU

Year: 8426 Days

Day: 12.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 165 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 21,012,106 km

• M1: 166,502 km (0.105 R)
• M2: 331,509 km (0.068 R)
• M3: 473,627 km (0.085 R)
• M4: 630,705 km (0.097 R)
• M5: 770,878 km (0.079 R)
• M6: 883,675 km (0.113 R)
• M7: 989,291 km (0.12 R)
• M8: 1,071,570 km (0.092 R)
• M9: 1,273,377 km (0.097 R)
• M10: 1,632,711 km (0.077 R)
• M11: 1,765,404 km (0.072 R)
• M12: 2,874,224 km (0.101 R)
• M13: 3,627,000 km (0.116 R)
• M14: 3,846,760 km (0.087 R)
• M15: 3,935,920 km (0.112 R)
• M16: 4,139,074 km (0.081 R)
• M17: 4,415,381 km (0.094 R)
• M18: 4,721,608 km (0.071 R)
• M19: 5,132,703 km (0.12 R)
• M20: 5,963,869 km (0.098 R)
• M21: 6,276,379 km (0.048 R)
• M22: 6,863,700 km (0.085 R)
• M23: 7,608,398 km (0.104 R)
• M24: 7,890,839 km (0.08 R)
• M25: 8,004,832 km (0.073 R)
• M26: 8,090,552 km (0.078 R)
• M27: 8,205,443 km (0.065 R)
• M28: 8,407,999 km (0.083 R)
• M29: 8,758,806 km (0.031 R)
• M30: 9,414,643 km (0.116 R)
• M31: 9,840,249 km (0.11 R)
• M32: 10,055,370 km (0.066 R)
• M33: 10,241,171 km (0.033 R)
• M34: 10,396,753 km (0.102 R)
• M35: 10,584,498 km (0.103 R)
• M36: 10,836,720 km (0.086 R)
• M37: 11,767,369 km (0.102 R)
• M38: 12,094,389 km (0.095 R)
• M39: 12,391,192 km (0.069 R)
• M40: 12,790,618 km (0.062 R)
• M41: 13,126,764 km (0.064 R)
• M42: 14,049,035 km (0.087 R)
• M43: 14,291,533 km (0.077 R)
• M44: 14,535,378 km (0.109 R)
• M45: 14,710,557 km (0.068 R)
• M46: 14,886,335 km (0.062 R)
• M47: 15,239,984 km (0.105 R)
• M48: 16,172,427 km (0.029 R)
• M49: 16,645,605 km (0.116 R)
• M50: 16,865,664 km (0.086 R)
• M51: 17,271,373 km (0.081 R)
• M52: 17,419,774 km (0.096 R)
• M53: 17,643,124 km (0.115 R)
• M54: 17,942,320 km (0.082 R)
• M55: 18,545,798 km (0.08 R)
• M56: 18,659,791 km (0.113 R)
• M57: 19,772,949 km (0.097 R)
• M58: 19,889,336 km (0.071 R)
• M59: 20,278,889 km (0.112 R)
• M60: 22,913,158 km (0.098 R)
• M61: 23,239,730 km (0.118 R)
• M62: 23,321,560 km (0.082 R)
• M63: 24,728,229 km (0.106 R)
• M64: 25,441,960 km (0.102 R)
• M65: 25,737,865 km (0.114 R)
• M66: 25,907,359 km (0.119 R)
• M67: 26,503,806 km (0.095 R)
• M68: 27,277,227 km (0.037 R)
• M69: 27,883,996 km (0.085 R)
• M70: 28,145,343 km (0.076 R)
• M71: 28,320,074 km (0.096 R)
• M72: 28,758,545 km (0.026 R)
• M73: 28,846,359 km (0.075 R)
• M74: 29,110,848 km (0.046 R)
• M75: 29,375,935 km (0.072 R)
• M76: 29,775,212 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.3

Radius: 11.9

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.36 AU - 9.72 AU

Year: 10309 Days

Day: 10.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 21,012,106 km

• M1: 148,700 km (0.054 R)
• M2: 360,531 km (0.11 R)
• M3: 602,431 km (0.105 R)
• M4: 778,358 km (0.098 R)
• M5: 1,081,144 km (0.108 R)
• M6: 1,171,351 km (0.078 R)
• M7: 1,323,941 km (0.107 R)
• M8: 2,056,223 km (0.055 R)
• M9: 2,242,472 km (0.099 R)
• M10: 2,803,015 km (0.061 R)
• M11: 2,898,160 km (0.1 R)
• M12: 3,289,059 km (0.104 R)
• M13: 3,406,344 km (0.036 R)
• M14: 3,491,016 km (0.081 R)
• M15: 3,924,850 km (0.11 R)
• M16: 4,085,219 km (0.116 R)
• M17: 4,175,277 km (0.098 R)
• M18: 4,375,887 km (0.106 R)
• M19: 4,505,289 km (0.088 R)
• M20: 4,635,888 km (0.093 R)
• M21: 5,485,754 km (0.059 R)
• M22: 6,051,533 km (0.115 R)
• M23: 6,551,489 km (0.109 R)
• M24: 6,763,769 km (0.068 R)
• M25: 7,348,247 km (0.065 R)
• M26: 7,613,335 km (0.118 R)
• M27: 7,791,655 km (0.108 R)
• M28: 8,152,785 km (0.118 R)
• M29: 9,150,303 km (0.084 R)
• M30: 9,627,371 km (0.094 R)
• M31: 10,039,364 km (0.038 R)
• M32: 10,210,653 km (0.05 R)
• M33: 11,873,134 km (0.118 R)
• M34: 12,445,944 km (0.107 R)
• M35: 12,577,441 km (0.106 R)
• M36: 13,134,394 km (0.112 R)
• M37: 13,241,506 km (0.082 R)
• M38: 13,753,879 km (0.072 R)
• M39: 13,889,863 km (0.092 R)
• M40: 14,108,276 km (0.111 R)
• M41: 14,465,516 km (0.115 R)
• M42: 15,105,196 km (0.092 R)
• M43: 15,386,141 km (0.118 R)
• M44: 16,239,447 km (0.119 R)
• M45: 16,469,529 km (0.076 R)
• M46: 18,439,284 km (0.035 R)
• M47: 18,679,389 km (0.09 R)
• M48: 18,799,815 km (0.111 R)
• M49: 19,345,099 km (0.097 R)
• M50: 19,650,279 km (0.06 R)
• M51: 19,803,467 km (0.107 R)
• M52: 20,080,373 km (0.056 R)
• M53: 20,918,270 km (0.11 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 18,822 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit