🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.55 AU - 0.61 AU

Year: 157 Days

Day: 12.2 Hours

Environment

Temp: 200 °C

Axial Tilt: 1.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 34,733,894 km

• M1: 244,293 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.8 AU - 0.8 AU

Year: 255 Days

Day: 45.3 Hours

Environment

Temp: 197 °C

Axial Tilt: 24.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.76 AU - 1.16 AU

Year: 335 Days

Day: 33.7 Hours

Environment

Temp: 162 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.88 AU - 1.14 AU

Year: 362 Days

Day: 35 Hours

Environment

Temp: 105 °C

Axial Tilt: 44 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.15 AU - 3.19 AU

Year: 1555 Days

Day: 38.2 Hours

Environment

Temp: -80 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.49 AU - 3.89 AU

Year: 2031 Days

Day: 30.1 Hours

Environment

Temp: -100 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.85 AU - 4.93 AU

Year: 3279 Days

Day: 46.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.4

Radius: 8.6

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.29 AU - 8.17 AU

Year: 6223 Days

Day: 12 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 34,733,894 km

• M1: 128,505 km (0.049 R)
• M2: 192,233 km (0.114 R)
• M3: 394,639 km (0.091 R)
• M4: 474,674 km (0.105 R)
• M5: 653,294 km (0.105 R)
• M6: 738,415 km (0.086 R)
• M7: 1,191,547 km (0.1 R)
• M8: 1,823,000 km (0.081 R)
• M9: 1,928,466 km (0.068 R)
• M10: 2,219,434 km (0.046 R)
• M11: 2,332,380 km (0.06 R)
• M12: 2,408,675 km (0.087 R)
• M13: 2,485,718 km (0.045 R)
• M14: 2,924,938 km (0.097 R)
• M15: 3,069,748 km (0.095 R)
• M16: 3,562,374 km (0.066 R)
• M17: 4,241,848 km (0.1 R)
• M18: 4,548,523 km (0.044 R)
• M19: 4,960,665 km (0.117 R)
• M20: 5,665,421 km (0.116 R)
• M21: 6,267,702 km (0.087 R)
• M22: 6,454,999 km (0.083 R)
• M23: 6,535,931 km (0.113 R)
• M24: 6,780,523 km (0.079 R)
• M25: 7,000,432 km (0.058 R)
• M26: 7,504,128 km (0.114 R)
• M27: 7,589,100 km (0.113 R)
• M28: 7,703,094 km (0.092 R)
• M29: 7,846,408 km (0.089 R)
• M30: 7,932,726 km (0.066 R)
• M31: 8,077,387 km (0.118 R)
• M32: 8,193,775 km (0.077 R)
• M33: 8,398,724 km (0.064 R)
• M34: 8,993,674 km (0.113 R)
• M35: 9,326,679 km (0.08 R)
• M36: 9,540,754 km (0.11 R)
• M37: 10,891,024 km (0.075 R)
• M38: 11,802,075 km (0.111 R)
• M39: 11,868,048 km (0.108 R)
• M40: 12,100,074 km (0.071 R)
• M41: 12,434,126 km (0.101 R)
• M42: 12,602,274 km (0.068 R)
• M43: 12,669,743 km (0.074 R)
• M44: 12,737,361 km (0.111 R)
• M45: 13,009,031 km (0.051 R)
• M46: 13,282,496 km (0.028 R)
• M47: 13,454,384 km (0.111 R)
• M48: 14,963,228 km (0.091 R)
• M49: 15,178,050 km (0.062 R)
• M50: 15,610,687 km (0.11 R)
• M51: 17,268,980 km (0.111 R)
• M52: 17,720,616 km (0.07 R)
• M53: 18,023,851 km (0.083 R)
• M54: 18,558,663 km (0.054 R)
• M55: 18,789,493 km (0.083 R)
• M56: 18,866,685 km (0.119 R)
• M57: 19,059,966 km (0.07 R)
• M58: 19,176,353 km (0.117 R)
• M59: 19,253,994 km (0.084 R)
• M60: 19,526,711 km (0.117 R)
• M61: 19,643,996 km (0.083 R)
• M62: 19,761,430 km (0.117 R)
• M63: 19,839,969 km (0.078 R)
• M64: 20,075,885 km (0.054 R)
• M65: 20,154,723 km (0.04 R)
• M66: 20,273,354 km (0.059 R)
• M67: 20,352,491 km (0.115 R)
• M68: 20,471,272 km (0.063 R)
• M69: 21,390,551 km (0.117 R)
• M70: 22,363,984 km (0.086 R)
• M71: 22,568,634 km (0.077 R)
• M72: 22,691,753 km (0.106 R)
• M73: 23,186,324 km (0.103 R)
• M74: 23,684,335 km (0.086 R)
• M75: 23,934,762 km (0.065 R)
• M76: 24,227,974 km (0.101 R)
• M77: 24,648,942 km (0.118 R)
• M78: 25,242,397 km (0.069 R)
• M79: 25,412,789 km (0.117 R)
• M80: 25,626,265 km (0.111 R)
• M81: 26,055,162 km (0.08 R)
• M82: 26,529,686 km (0.065 R)
• M83: 27,882,350 km (0.116 R)
• M84: 29,705,500 km (0.067 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.6

Radius: 8.2

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.63 AU - 10.13 AU

Year: 8647 Days

Day: 5.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 34,733,894 km

• M1: 141,968 km (0.078 R)
• M2: 230,680 km (0.041 R)
• M3: 309,518 km (0.115 R)
• M4: 975,378 km (0.094 R)
• M5: 1,331,122 km (0.071 R)
• M6: 1,650,962 km (0.069 R)
• M7: 1,838,857 km (0.092 R)
• M8: 1,896,751 km (0.032 R)
• M9: 2,256,385 km (0.082 R)
• M10: 2,486,765 km (0.085 R)
• M11: 2,550,943 km (0.068 R)
• M12: 2,615,569 km (0.107 R)
• M13: 2,680,943 km (0.025 R)
• M14: 2,947,527 km (0.066 R)
• M15: 3,222,787 km (0.075 R)
• M16: 3,458,553 km (0.115 R)
• M17: 4,173,781 km (0.078 R)
• M18: 4,250,375 km (0.047 R)
• M19: 4,693,334 km (0.042 R)
• M20: 5,315,811 km (0.1 R)
• M21: 6,050,635 km (0.067 R)
• M22: 6,429,866 km (0.116 R)
• M23: 6,607,588 km (0.114 R)
• M24: 6,847,095 km (0.071 R)
• M25: 7,273,000 km (0.062 R)
• M26: 7,365,302 km (0.069 R)
• M27: 7,738,847 km (0.029 R)
• M28: 8,929,048 km (0.113 R)
• M29: 9,028,082 km (0.115 R)
• M30: 9,595,955 km (0.11 R)
• M31: 9,833,068 km (0.114 R)
• M32: 10,072,275 km (0.109 R)
• M33: 10,347,834 km (0.094 R)
• M34: 10,695,949 km (0.074 R)
• M35: 10,801,116 km (0.078 R)
• M36: 11,154,316 km (0.108 R)
• M37: 11,547,011 km (0.065 R)
• M38: 11,727,127 km (0.096 R)
• M39: 12,126,403 km (0.115 R)
• M40: 13,275,913 km (0.041 R)
• M41: 13,389,009 km (0.081 R)
• M42: 14,035,871 km (0.114 R)
• M43: 14,189,508 km (0.063 R)
• M44: 15,123,298 km (0.099 R)
• M45: 15,399,455 km (0.119 R)
• M46: 15,478,592 km (0.067 R)
• M47: 15,796,787 km (0.057 R)
• M48: 16,927,149 km (0.073 R)
• M49: 17,378,336 km (0.12 R)
• M50: 17,916,739 km (0.115 R)
• M51: 18,167,016 km (0.103 R)
• M52: 18,586,787 km (0.041 R)
• M53: 19,009,850 km (0.093 R)
• M54: 20,471,571 km (0.064 R)
• M55: 20,558,637 km (0.037 R)
• M56: 21,436,627 km (0.094 R)
• M57: 21,791,174 km (0.094 R)
• M58: 21,924,615 km (0.069 R)
• M59: 22,461,223 km (0.1 R)
• M60: 22,821,454 km (0.106 R)
• M61: 23,365,243 km (0.078 R)
• M62: 23,593,080 km (0.035 R)
• M63: 23,684,335 km (0.103 R)
• M64: 24,188,929 km (0.077 R)
• M65: 24,327,157 km (0.119 R)
• M66: 24,836,089 km (0.118 R)
• M67: 25,770,627 km (0.052 R)
• M68: 26,005,944 km (0.045 R)
• M69: 26,384,128 km (0.119 R)
• M70: 27,866,643 km (0.082 R)
• M71: 29,967,445 km (0.041 R)
• M72: 30,811,925 km (0.077 R)
• M73: 31,362,595 km (0.069 R)
• M74: 32,169,227 km (0.068 R)
• M75: 32,727,825 km (0.071 R)
• M76: 33,033,903 km (0.076 R)
• M77: 33,084,915 km (0.068 R)
• M78: 33,289,565 km (0.043 R)
• M79: 33,802,985 km (0.104 R)
• M80: 34,267,487 km (0.111 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 17,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit