🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.4 AU - 0.64 AU

Year: 246 Days

Day: 13.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.68 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.5

Radius: 12

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.79 AU - 2.89 AU

Year: 3140 Days

Day: 13.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,204,117 km

• M1: 149,299 km (0.109 R)
• M2: 697,126 km (0.068 R)
• M3: 1,104,331 km (0.11 R)
• M4: 1,819,409 km (0.115 R)
• M5: 2,348,387 km (0.096 R)
• M6: 2,756,939 km (0.074 R)
• M7: 3,213,063 km (0.085 R)
• M8: 4,167,049 km (0.061 R)
• M9: 5,675,743 km (0.09 R)
• M10: 6,330,383 km (0.095 R)
• M11: 7,226,774 km (0.093 R)
• M12: 7,824,567 km (0.082 R)
• M13: 9,857,901 km (0.115 R)
• M14: 11,191,417 km (0.118 R)
• M15: 12,783,886 km (0.08 R)
• M16: 13,412,347 km (0.117 R)
• M17: 14,678,693 km (0.071 R)
• M18: 15,475,750 km (0.099 R)
• M19: 16,470,277 km (0.102 R)
• M20: 16,983,248 km (0.069 R)
• M21: 17,861,836 km (0.106 R)
• M22: 18,770,494 km (0.084 R)
• M23: 21,076,994 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.9

Radius: 11.4

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.33 AU - 5.21 AU

Year: 5788 Days

Day: 7.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,204,117 km

• M1: 141,819 km (0.119 R)
• M2: 702,063 km (0.063 R)
• M3: 1,056,909 km (0.082 R)
• M4: 1,554,471 km (0.107 R)
• M5: 2,205,821 km (0.06 R)
• M6: 2,726,870 km (0.062 R)
• M7: 3,118,966 km (0.099 R)
• M8: 3,516,747 km (0.096 R)
• M9: 5,837,010 km (0.114 R)
• M10: 7,120,709 km (0.108 R)
• M11: 8,525,583 km (0.045 R)
• M12: 10,573,877 km (0.115 R)
• M13: 12,208,832 km (0.084 R)
• M14: 12,585,519 km (0.065 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.1

Radius: 5.5

Gravity: 16.07 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.64 AU - 7.62 AU

Year: 11199 Days

Day: 20.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,204,117 km

• M1: 85,570 km (0.083 R)
• M2: 389,254 km (0.073 R)
• M3: 665,860 km (0.114 R)
• M4: 858,991 km (0.101 R)
• M5: 1,123,031 km (0.107 R)
• M6: 1,605,484 km (0.119 R)
• M7: 3,728,727 km (0.102 R)
• M8: 3,963,446 km (0.12 R)
• M9: 6,393,514 km (0.087 R)
• M10: 6,730,259 km (0.065 R)
• M11: 8,196,916 km (0.031 R)
• M12: 9,864,334 km (0.098 R)
• M13: 10,112,517 km (0.087 R)
• M14: 10,466,914 km (0.105 R)
• M15: 10,987,664 km (0.096 R)
• M16: 13,668,458 km (0.034 R)
• M17: 17,831,318 km (0.085 R)
• M18: 18,423,427 km (0.059 R)
• M19: 19,490,807 km (0.107 R)
• M20: 25,638,681 km (0.087 R)
• M21: 28,043,467 km (0.038 R)
• M22: 30,072,314 km (0.112 R)
• M23: 33,630,349 km (0.106 R)
• M24: 34,079,891 km (0.092 R)
• M25: 34,533,322 km (0.086 R)
• M26: 36,861,364 km (0.105 R)
• M27: 40,546,109 km (0.117 R)
• M28: 42,086,369 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.9

Radius: 7

Gravity: 11.65 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.66 AU - 10.66 AU

Year: 18187 Days

Day: 22.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,204,117 km

• M1: 87,664 km (0.111 R)
• M2: 405,261 km (0.115 R)
• M3: 656,884 km (0.118 R)
• M4: 1,544,748 km (0.1 R)
• M5: 2,165,130 km (0.114 R)
• M6: 5,536,168 km (0.119 R)
• M7: 6,620,454 km (0.053 R)
• M8: 7,190,122 km (0.075 R)
• M9: 7,556,637 km (0.057 R)
• M10: 12,648,799 km (0.112 R)
• M11: 13,663,222 km (0.053 R)
• M12: 14,083,742 km (0.106 R)
• M13: 17,848,073 km (0.085 R)
• M14: 22,041,301 km (0.047 R)
• M15: 24,110,539 km (0.041 R)
• M16: 26,091,365 km (0.104 R)
• M17: 28,517,393 km (0.112 R)
• M18: 28,745,081 km (0.038 R)
• M19: 29,319,836 km (0.113 R)
• M20: 31,089,878 km (0.11 R)
• M21: 41,453,720 km (0.113 R)
• M22: 43,078,652 km (0.11 R)
• M23: 45,984,590 km (0.117 R)
• M24: 48,207,615 km (0.114 R)
• M25: 49,673,973 km (0.115 R)
• M26: 55,305,136 km (0.055 R)
• M27: 63,648,957 km (0.077 R)
• M28: 64,821,057 km (0.072 R)
• M29: 65,215,097 km (0.081 R)
• M30: 67,007,429 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.3

Radius: 4.2

Gravity: 14.47 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 9.16 AU - 12.3 AU

Year: 23057 Days

Day: 21.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,204,117 km

• M1: 52,210 km (0.051 R)
• M2: 259,403 km (0.095 R)
• M3: 625,319 km (0.064 R)
• M4: 765,193 km (0.087 R)
• M5: 969,693 km (0.083 R)
• M6: 1,950,307 km (0.078 R)
• M7: 2,174,854 km (0.118 R)
• M8: 2,609,136 km (0.052 R)
• M9: 2,858,666 km (0.087 R)
• M10: 4,107,658 km (0.107 R)
• M11: 5,680,979 km (0.117 R)
• M12: 6,337,265 km (0.06 R)
• M13: 6,957,199 km (0.102 R)
• M14: 7,347,948 km (0.08 R)
• M15: 8,125,708 km (0.109 R)
• M16: 8,906,459 km (0.093 R)
• M17: 9,058,301 km (0.1 R)
• M18: 10,901,346 km (0.051 R)
• M19: 12,156,622 km (0.111 R)
• M20: 13,907,964 km (0.08 R)
• M21: 15,093,079 km (0.114 R)
• M22: 15,308,949 km (0.114 R)
• M23: 17,033,064 km (0.115 R)
• M24: 18,387,822 km (0.065 R)
• M25: 21,219,411 km (0.046 R)
• M26: 30,276,066 km (0.108 R)
• M27: 31,431,111 km (0.089 R)
• M28: 31,665,531 km (0.116 R)
• M29: 35,959,738 km (0.109 R)
• M30: 38,713,984 km (0.099 R)
• M31: 42,887,765 km (0.094 R)
• M32: 45,380,963 km (0.073 R)
• M33: 57,537,735 km (0.089 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 18,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit