🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.62 AU - 0.96 AU

Year: 309 Days

Day: 36.9 Hours

Environment

Temp: -35 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,694,965 km

• M1: 318,643 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.86 AU - 1.06 AU

Year: 414 Days

Day: 24.9 Hours

Environment

Temp: -63 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.77 AU - 1.25 AU

Year: 446 Days

Day: 40.4 Hours

Environment

Temp: -57 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.94 AU - 1.26 AU

Year: 507 Days

Day: 29.5 Hours

Environment

Temp: -62 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,694,965 km

• M1: 112,498 km (0.051 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.04 AU - 1.22 AU

Year: 528 Days

Day: 23.6 Hours

Environment

Temp: -65 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 25,694,965 km

• M1: 174,431 km (0.12 R)
• M2: 459,565 km (0.092 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.22 AU - 1.6 AU

Year: 736 Days

Day: 42.7 Hours

Environment

Temp: -99 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.36 AU - 2.16 AU

Year: 1027 Days

Day: 25.3 Hours

Environment

Temp: -103 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.7

Radius: 8.6

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.64 AU - 3.24 AU

Year: 2217 Days

Day: 8.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 25,694,965 km

• M1: 136,284 km (0.117 R)
• M2: 198,217 km (0.046 R)
• M3: 296,204 km (0.115 R)
• M4: 402,418 km (0.1 R)
• M5: 481,556 km (0.114 R)
• M6: 581,487 km (0.068 R)
• M7: 673,340 km (0.083 R)
• M8: 761,902 km (0.048 R)
• M9: 924,964 km (0.082 R)
• M10: 1,015,470 km (0.054 R)
• M11: 1,137,692 km (0.115 R)
• M12: 1,356,105 km (0.063 R)
• M13: 1,742,217 km (0.068 R)
• M14: 1,924,726 km (0.046 R)
• M15: 2,101,551 km (0.027 R)
• M16: 2,246,810 km (0.032 R)
• M17: 2,345,545 km (0.109 R)
• M18: 2,408,077 km (0.079 R)
• M19: 2,509,205 km (0.118 R)
• M20: 2,585,949 km (0.062 R)
• M21: 2,927,930 km (0.058 R)
• M22: 3,242,384 km (0.119 R)
• M23: 3,453,467 km (0.06 R)
• M24: 3,510,464 km (0.105 R)
• M25: 3,567,909 km (0.119 R)
• M26: 3,640,015 km (0.06 R)
• M27: 3,698,059 km (0.112 R)
• M28: 3,829,855 km (0.105 R)
• M29: 3,918,716 km (0.067 R)
• M30: 3,993,216 km (0.116 R)
• M31: 4,295,852 km (0.091 R)
• M32: 4,357,337 km (0.093 R)
• M33: 4,669,099 km (0.104 R)
• M34: 4,843,530 km (0.048 R)
• M35: 4,939,722 km (0.06 R)
• M36: 5,133,900 km (0.042 R)
• M37: 5,215,580 km (0.118 R)
• M38: 5,446,410 km (0.102 R)
• M39: 5,867,228 km (0.098 R)
• M40: 5,935,445 km (0.06 R)
• M41: 6,021,314 km (0.102 R)
• M42: 6,090,129 km (0.106 R)
• M43: 6,194,100 km (0.055 R)
• M44: 6,473,848 km (0.111 R)
• M45: 6,544,458 km (0.098 R)
• M46: 7,082,262 km (0.055 R)
• M47: 8,028,918 km (0.111 R)
• M48: 8,238,205 km (0.117 R)
• M49: 8,334,097 km (0.087 R)
• M50: 8,391,693 km (0.044 R)
• M51: 8,975,423 km (0.079 R)
• M52: 9,113,502 km (0.084 R)
• M53: 9,753,931 km (0.058 R)
• M54: 10,223,070 km (0.08 R)
• M55: 10,533,036 km (0.032 R)
• M56: 10,804,257 km (0.103 R)
• M57: 11,056,629 km (0.114 R)
• M58: 11,162,245 km (0.115 R)
• M59: 11,332,188 km (0.089 R)
• M60: 11,911,730 km (0.067 R)
• M61: 12,500,996 km (0.04 R)
• M62: 12,633,241 km (0.116 R)
• M63: 13,010,527 km (0.111 R)
• M64: 13,211,736 km (0.11 R)
• M65: 13,368,963 km (0.065 R)
• M66: 13,436,432 km (0.114 R)
• M67: 13,504,200 km (0.093 R)
• M68: 13,707,952 km (0.098 R)
• M69: 14,695,298 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.1

Radius: 14.1

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.31 AU - 3.79 AU

Year: 2342 Days

Day: 5.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 25,694,965 km

• M1: 178,021 km (0.099 R)
• M2: 338,839 km (0.117 R)
• M3: 463,454 km (0.064 R)
• M4: 936,034 km (0.086 R)
• M5: 1,053,019 km (0.113 R)
• M6: 1,190,051 km (0.075 R)
• M7: 1,357,002 km (0.113 R)
• M8: 1,647,521 km (0.079 R)
• M9: 1,783,356 km (0.081 R)
• M10: 1,932,057 km (0.105 R)
• M11: 2,355,568 km (0.094 R)
• M12: 2,548,998 km (0.11 R)
• M13: 2,687,675 km (0.086 R)
• M14: 2,839,068 km (0.089 R)
• M15: 3,150,681 km (0.113 R)
• M16: 3,321,522 km (0.11 R)
• M17: 3,418,910 km (0.097 R)
• M18: 3,605,757 km (0.082 R)
• M19: 3,750,867 km (0.074 R)
• M20: 3,841,225 km (0.074 R)
• M21: 4,035,552 km (0.118 R)
• M22: 4,374,990 km (0.119 R)
• M23: 4,482,102 km (0.086 R)
• M24: 4,711,435 km (0.116 R)
• M25: 4,957,075 km (0.074 R)
• M26: 5,295,316 km (0.065 R)
• M27: 5,409,908 km (0.114 R)
• M28: 5,499,517 km (0.102 R)
• M29: 5,823,696 km (0.098 R)
• M30: 6,021,165 km (0.118 R)
• M31: 6,140,843 km (0.09 R)
• M32: 6,477,289 km (0.064 R)
• M33: 6,654,712 km (0.055 R)
• M34: 6,806,105 km (0.097 R)
• M35: 6,930,869 km (0.075 R)
• M36: 7,112,332 km (0.059 R)
• M37: 7,366,199 km (0.114 R)
• M38: 7,465,831 km (0.117 R)
• M39: 7,752,760 km (0.047 R)
• M40: 7,970,425 km (0.103 R)
• M41: 8,175,524 km (0.113 R)
• M42: 8,278,597 km (0.082 R)
• M43: 8,605,767 km (0.039 R)
• M44: 8,755,814 km (0.106 R)
• M45: 8,861,430 km (0.095 R)
• M46: 9,043,490 km (0.102 R)
• M47: 9,226,748 km (0.045 R)
• M48: 9,799,558 km (0.11 R)
• M49: 9,972,194 km (0.104 R)
• M50: 10,656,455 km (0.089 R)
• M51: 10,833,878 km (0.09 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434

Radius: 13.3

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.23 AU - 5.79 AU

Year: 4931 Days

Day: 14.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 25,694,965 km

• M1: 272,418 km (0.093 R)
• M2: 409,150 km (0.104 R)
• M3: 494,720 km (0.096 R)
• M4: 764,894 km (0.105 R)
• M5: 901,178 km (0.078 R)
• M6: 1,334,563 km (0.087 R)
• M7: 1,431,652 km (0.093 R)
• M8: 1,768,696 km (0.093 R)
• M9: 1,860,998 km (0.119 R)
• M10: 2,050,388 km (0.112 R)
• M11: 2,196,845 km (0.094 R)
• M12: 2,500,379 km (0.078 R)
• M13: 2,604,649 km (0.108 R)
• M14: 2,926,434 km (0.093 R)
• M15: 3,110,888 km (0.049 R)
• M16: 3,394,974 km (0.113 R)
• M17: 3,988,578 km (0.109 R)
• M18: 4,131,744 km (0.033 R)
• M19: 4,593,103 km (0.064 R)
• M20: 4,873,599 km (0.117 R)
• M21: 5,182,070 km (0.114 R)
• M22: 5,429,056 km (0.055 R)
• M23: 6,051,533 km (0.045 R)
• M24: 7,089,593 km (0.085 R)
• M25: 7,489,917 km (0.108 R)
• M26: 7,692,921 km (0.108 R)
• M27: 8,815,055 km (0.092 R)
• M28: 9,518,314 km (0.069 R)
• M29: 10,324,198 km (0.028 R)
• M30: 10,436,995 km (0.081 R)
• M31: 10,950,115 km (0.081 R)
• M32: 11,442,143 km (0.091 R)
• M33: 11,529,807 km (0.118 R)
• M34: 12,208,832 km (0.118 R)
• M35: 12,448,188 km (0.097 R)
• M36: 12,689,041 km (0.037 R)
• M37: 12,931,390 km (0.106 R)
• M38: 13,297,904 km (0.026 R)
• M39: 13,544,142 km (0.1 R)
• M40: 13,698,827 km (0.069 R)
• M41: 14,009,841 km (0.074 R)
• M42: 14,449,359 km (0.091 R)
• M43: 14,989,108 km (0.08 R)
• M44: 15,213,355 km (0.094 R)
• M45: 15,374,173 km (0.075 R)
• M46: 16,121,265 km (0.116 R)
• M47: 16,515,755 km (0.092 R)
• M48: 17,146,908 km (0.106 R)
• M49: 17,280,798 km (0.111 R)
• M50: 17,482,306 km (0.047 R)
• M51: 17,684,563 km (0.071 R)
• M52: 18,535,775 km (0.117 R)
• M53: 19,052,785 km (0.072 R)
• M54: 19,400,301 km (0.051 R)
• M55: 19,539,875 km (0.105 R)
• M56: 19,890,084 km (0.105 R)
• M57: 20,207,232 km (0.061 R)
• M58: 20,419,511 km (0.082 R)
• M59: 20,561,479 km (0.062 R)
• M60: 21,168,547 km (0.116 R)
• M61: 21,600,586 km (0.097 R)
• M62: 21,890,357 km (0.09 R)
• M63: 22,071,969 km (0.106 R)
• M64: 22,473,490 km (0.066 R)
• M65: 23,135,759 km (0.11 R)
• M66: 23,841,712 km (0.085 R)
• M67: 24,216,155 km (0.075 R)
• M68: 24,328,803 km (0.034 R)
• M69: 24,781,486 km (0.086 R)
• M70: 25,313,007 km (0.075 R)
• M71: 25,618,486 km (0.078 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 12,456 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit