🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.5

Radius: 14.2

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.67 AU - 0.77 AU

Year: 401 Days

Day: 10.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,557,967 km

• M1: 176,675 km (0.098 R)
• M2: 661,671 km (0.051 R)
• M3: 1,156,691 km (0.077 R)
• M4: 1,722,619 km (0.115 R)
• M5: 2,255,337 km (0.087 R)
• M6: 2,817,975 km (0.055 R)
• M7: 3,682,651 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81

Radius: 8.9

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.7 AU - 1.04 AU

Year: 532 Days

Day: 10.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,557,967 km

• M1: 110,702 km (0.098 R)
• M2: 491,728 km (0.109 R)
• M3: 802,443 km (0.12 R)
• M4: 1,267,543 km (0.053 R)
• M5: 2,115,314 km (0.099 R)
• M6: 2,584,453 km (0.11 R)
• M7: 3,112,384 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.4

Radius: 13.2

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.09 AU - 1.17 AU

Year: 788 Days

Day: 10.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 71,557,967 km

• M1: 165,455 km (0.072 R)
• M2: 1,686,118 km (0.114 R)
• M3: 2,110,228 km (0.088 R)
• M4: 2,645,638 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.5

Radius: 13

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.48 AU - 3.64 AU

Year: 3511 Days

Day: 14.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,557,967 km

• M1: 163,062 km (0.05 R)
• M2: 624,721 km (0.081 R)
• M3: 1,370,316 km (0.109 R)
• M4: 2,101,102 km (0.093 R)
• M5: 2,533,889 km (0.118 R)
• M6: 3,642,708 km (0.116 R)
• M7: 5,331,818 km (0.119 R)
• M8: 6,263,214 km (0.092 R)
• M9: 8,483,845 km (0.087 R)
• M10: 10,638,653 km (0.12 R)
• M11: 15,144,690 km (0.102 R)
• M12: 20,656,923 km (0.099 R)
• M13: 21,445,004 km (0.094 R)
• M14: 22,733,940 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.6

Radius: 14.5

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.39 AU - 4.87 AU

Year: 5506 Days

Day: 14.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,557,967 km

• M1: 181,761 km (0.119 R)
• M2: 658,979 km (0.092 R)
• M3: 1,749,248 km (0.114 R)
• M4: 2,818,723 km (0.047 R)
• M5: 4,310,962 km (0.114 R)
• M6: 7,242,033 km (0.087 R)
• M7: 8,403,960 km (0.086 R)
• M8: 8,865,918 km (0.115 R)
• M9: 9,841,296 km (0.071 R)
• M10: 10,721,530 km (0.047 R)
• M11: 11,394,122 km (0.116 R)
• M12: 14,724,918 km (0.092 R)
• M13: 17,774,022 km (0.073 R)
• M14: 21,156,879 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195

Radius: 7.8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.54 AU - 9.06 AU

Year: 17125 Days

Day: 18.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,557,967 km

• M1: 210,335 km (0.111 R)
• M2: 583,132 km (0.078 R)
• M3: 2,027,949 km (0.117 R)
• M4: 2,396,857 km (0.096 R)
• M5: 3,246,573 km (0.099 R)
• M6: 3,505,677 km (0.034 R)
• M7: 6,036,124 km (0.062 R)
• M8: 6,466,218 km (0.109 R)
• M9: 8,569,864 km (0.064 R)
• M10: 9,440,972 km (0.114 R)
• M11: 10,778,676 km (0.086 R)
• M12: 11,251,405 km (0.092 R)
• M13: 11,847,852 km (0.066 R)
• M14: 14,446,367 km (0.084 R)
• M15: 15,878,019 km (0.079 R)
• M16: 16,352,842 km (0.111 R)
• M17: 19,867,196 km (0.098 R)
• M18: 20,818,488 km (0.069 R)
• M19: 21,469,389 km (0.117 R)
• M20: 21,799,851 km (0.1 R)
• M21: 30,268,287 km (0.1 R)
• M22: 31,633,068 km (0.093 R)
• M23: 34,259,857 km (0.098 R)
• M24: 34,938,583 km (0.07 R)
• M25: 37,743,244 km (0.104 R)
• M26: 43,137,593 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550.8

Radius: 3.8

Gravity: 38.14 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.86 AU - 10.88 AU

Year: 20342 Days

Day: 17.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 71,557,967 km

• M1: 47,273 km (0.074 R)
• M2: 177,124 km (0.117 R)
• M3: 329,265 km (0.04 R)
• M4: 457,470 km (0.047 R)
• M5: 883,675 km (0.077 R)
• M6: 1,470,547 km (0.07 R)
• M7: 1,685,370 km (0.111 R)
• M8: 2,157,052 km (0.105 R)
• M9: 3,758,347 km (0.097 R)
• M10: 4,128,153 km (0.066 R)
• M11: 4,833,058 km (0.113 R)
• M12: 5,121,483 km (0.067 R)
• M13: 7,377,269 km (0.109 R)
• M14: 8,932,638 km (0.103 R)
• M15: 9,093,755 km (0.117 R)
• M16: 9,701,572 km (0.104 R)
• M17: 10,160,388 km (0.063 R)
• M18: 15,339,616 km (0.11 R)
• M19: 17,172,788 km (0.103 R)
• M20: 18,184,968 km (0.119 R)
• M21: 20,793,805 km (0.107 R)
• M22: 20,982,298 km (0.073 R)
• M23: 21,458,917 km (0.035 R)
• M24: 21,845,179 km (0.095 R)
• M25: 22,931,708 km (0.07 R)
• M26: 28,907,844 km (0.105 R)
• M27: 29,616,489 km (0.109 R)
• M28: 31,438,741 km (0.113 R)
• M29: 34,375,945 km (0.106 R)
• M30: 36,386,840 km (0.113 R)
• M31: 38,759,163 km (0.12 R)
• M32: 41,084,063 km (0.112 R)
• M33: 48,779,826 km (0.101 R)
• M34: 53,404,495 km (0.084 R)
• M35: 53,758,144 km (0.103 R)
• M36: 62,527,871 km (0.084 R)
• M37: 66,327,657 km (0.073 R)
• M38: 69,224,021 km (0.111 R)
• M39: 70,066,706 km (0.085 R)
• M40: 70,703,245 km (0.098 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 12,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit