🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.1

Radius: 10.8

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.46 AU - 0.6 AU

Year: 257 Days

Day: 11.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 86,957,992 km

• M1: 134,339 km (0.105 R)
• M2: 528,230 km (0.096 R)
• M3: 1,128,566 km (0.078 R)
• M4: 1,505,852 km (0.09 R)
• M5: 1,938,190 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.3

Radius: 11

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.54 AU - 0.56 AU

Year: 272 Days

Day: 6.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,957,992 km

• M1: 136,732 km (0.074 R)
• M2: 504,743 km (0.109 R)
• M3: 929,003 km (0.095 R)
• M4: 1,552,078 km (0.042 R)
• M5: 1,909,318 km (0.103 R)
• M6: 2,437,996 km (0.106 R)
• M7: 2,926,284 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.9

Radius: 11

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.71 AU - 1.81 AU

Year: 1557 Days

Day: 13.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,957,992 km

• M1: 136,732 km (0.086 R)
• M2: 511,625 km (0.117 R)
• M3: 982,409 km (0.04 R)
• M4: 1,450,800 km (0.064 R)
• M5: 1,876,107 km (0.117 R)
• M6: 2,233,646 km (0.054 R)
• M7: 2,720,886 km (0.101 R)
• M8: 3,120,462 km (0.068 R)
• M9: 3,593,341 km (0.079 R)
• M10: 4,892,299 km (0.083 R)
• M11: 5,464,212 km (0.032 R)
• M12: 5,958,184 km (0.101 R)
• M13: 6,533,238 km (0.105 R)
• M14: 6,928,027 km (0.11 R)
• M15: 7,310,698 km (0.099 R)
• M16: 7,678,859 km (0.068 R)
• M17: 8,029,516 km (0.049 R)
• M18: 8,452,280 km (0.031 R)
• M19: 10,258,973 km (0.106 R)
• M20: 11,012,498 km (0.077 R)
• M21: 12,270,616 km (0.115 R)
• M22: 12,751,124 km (0.051 R)
• M23: 13,878,194 km (0.119 R)
• M24: 14,312,178 km (0.074 R)
• M25: 14,889,775 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.6

Radius: 14.5

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.75 AU - 3.21 AU

Year: 3430 Days

Day: 9.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,957,992 km

• M1: 180,265 km (0.086 R)
• M2: 848,818 km (0.068 R)
• M3: 1,667,418 km (0.087 R)
• M4: 3,116,273 km (0.068 R)
• M5: 5,109,515 km (0.101 R)
• M6: 6,467,266 km (0.097 R)
• M7: 8,229,528 km (0.104 R)
• M8: 9,299,004 km (0.068 R)
• M9: 16,025,971 km (0.086 R)
• M10: 17,514,171 km (0.028 R)
• M11: 18,110,468 km (0.061 R)
• M12: 18,720,378 km (0.117 R)
• M13: 19,788,507 km (0.108 R)
• M14: 21,908,907 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.7

Radius: 10

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.9 AU - 6.36 AU

Year: 7748 Days

Day: 10.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,957,992 km

• M1: 125,213 km (0.064 R)
• M2: 457,919 km (0.106 R)
• M3: 1,106,875 km (0.06 R)
• M4: 1,582,895 km (0.1 R)
• M5: 2,495,442 km (0.112 R)
• M6: 3,896,875 km (0.091 R)
• M7: 5,485,455 km (0.112 R)
• M8: 6,288,346 km (0.04 R)
• M9: 6,940,593 km (0.043 R)
• M10: 7,984,936 km (0.106 R)
• M11: 12,447,141 km (0.085 R)
• M12: 12,880,975 km (0.103 R)
• M13: 16,376,629 km (0.094 R)
• M14: 16,839,335 km (0.091 R)
• M15: 17,251,178 km (0.117 R)
• M16: 23,020,868 km (0.059 R)
• M17: 26,023,447 km (0.075 R)
• M18: 26,416,142 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.8

Radius: 5.6

Gravity: 15.87 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.98 AU - 10.36 AU

Year: 17024 Days

Day: 19.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,957,992 km

• M1: 73,004 km (0.119 R)
• M2: 392,994 km (0.065 R)
• M3: 696,827 km (0.044 R)
• M4: 886,667 km (0.041 R)
• M5: 1,099,245 km (0.049 R)
• M6: 1,332,169 km (0.091 R)
• M7: 3,358,023 km (0.077 R)
• M8: 3,766,426 km (0.115 R)
• M9: 4,915,188 km (0.099 R)
• M10: 5,261,956 km (0.051 R)
• M11: 7,071,192 km (0.048 R)
• M12: 7,787,168 km (0.036 R)
• M13: 8,403,660 km (0.085 R)
• M14: 8,950,291 km (0.118 R)
• M15: 9,949,754 km (0.092 R)
• M16: 11,375,572 km (0.096 R)
• M17: 12,610,053 km (0.102 R)
• M18: 13,325,879 km (0.048 R)
• M19: 14,838,164 km (0.03 R)
• M20: 17,794,068 km (0.117 R)
• M21: 18,281,159 km (0.061 R)
• M22: 21,574,407 km (0.079 R)
• M23: 23,944,336 km (0.086 R)
• M24: 28,416,564 km (0.083 R)
• M25: 29,305,774 km (0.072 R)
• M26: 29,984,799 km (0.096 R)
• M27: 35,034,475 km (0.117 R)
• M28: 39,378,498 km (0.097 R)
• M29: 41,466,435 km (0.083 R)
• M30: 43,627,077 km (0.084 R)
• M31: 48,015,082 km (0.096 R)
• M32: 51,206,753 km (0.119 R)
• M33: 55,736,127 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.5

Radius: 6.6

Gravity: 20.93 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.2 AU - 10.86 AU

Year: 21183 Days

Day: 19.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,957,992 km

• M1: 82,129 km (0.058 R)
• M2: 659,278 km (0.105 R)
• M3: 1,268,141 km (0.112 R)
• M4: 1,522,607 km (0.118 R)
• M5: 2,427,674 km (0.104 R)
• M6: 2,928,827 km (0.091 R)
• M7: 3,261,234 km (0.094 R)
• M8: 3,711,972 km (0.075 R)
• M9: 4,446,946 km (0.034 R)
• M10: 6,291,338 km (0.092 R)
• M11: 8,373,890 km (0.066 R)
• M12: 8,704,801 km (0.099 R)
• M13: 11,270,554 km (0.053 R)
• M14: 23,177,796 km (0.076 R)
• M15: 26,681,977 km (0.082 R)
• M16: 27,519,276 km (0.072 R)
• M17: 31,571,733 km (0.079 R)
• M18: 32,915,421 km (0.088 R)
• M19: 33,463,398 km (0.11 R)
• M20: 37,322,425 km (0.114 R)
• M21: 38,218,516 km (0.08 R)
• M22: 38,976,229 km (0.085 R)
• M23: 44,729,614 km (0.11 R)
• M24: 47,633,009 km (0.106 R)
• M25: 54,763,741 km (0.107 R)
• M26: 58,282,134 km (0.098 R)
• M27: 61,120,753 km (0.06 R)
• M28: 65,549,299 km (0.113 R)
• M29: 79,862,823 km (0.073 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: 150 - 11,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit