🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.5

Radius: 13.5

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.41 AU - 0.61 AU

Year: 247 Days

Day: 6.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,020,831 km

• M1: 168,148 km (0.078 R)
• M2: 673,490 km (0.078 R)
• M3: 1,138,290 km (0.056 R)
• M4: 1,831,976 km (0.098 R)
• M5: 2,303,807 km (0.035 R)
• M6: 2,929,426 km (0.085 R)
• M7: 3,530,360 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.3

Radius: 9.7

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.06 AU - 1.18 AU

Year: 804 Days

Day: 5.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,020,831 km

• M1: 121,773 km (0.118 R)
• M2: 633,248 km (0.113 R)
• M3: 1,380,788 km (0.091 R)
• M4: 1,953,449 km (0.067 R)
• M5: 2,281,368 km (0.085 R)
• M6: 2,719,540 km (0.108 R)
• M7: 5,159,481 km (0.081 R)
• M8: 5,846,584 km (0.118 R)
• M9: 6,419,993 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.7

Radius: 11.5

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.16 AU - 1.3 AU

Year: 925 Days

Day: 6.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,020,831 km

• M1: 143,165 km (0.116 R)
• M2: 676,033 km (0.116 R)
• M3: 1,105,379 km (0.082 R)
• M4: 1,987,109 km (0.113 R)
• M5: 2,550,644 km (0.112 R)
• M6: 4,523,989 km (0.073 R)
• M7: 4,934,935 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.9

Radius: 9.3

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.38 AU - 2.42 AU

Year: 2522 Days

Day: 7.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,020,831 km

• M1: 123,119 km (0.081 R)
• M2: 493,374 km (0.118 R)
• M3: 785,688 km (0.113 R)
• M4: 1,222,364 km (0.115 R)
• M5: 2,502,174 km (0.097 R)
• M6: 2,876,917 km (0.031 R)
• M7: 4,087,463 km (0.112 R)
• M8: 4,766,936 km (0.073 R)
• M9: 5,765,053 km (0.057 R)
• M10: 6,134,859 km (0.099 R)
• M11: 9,884,380 km (0.067 R)
• M12: 10,516,880 km (0.114 R)
• M13: 11,936,713 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.7

Radius: 9.5

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.49 AU - 3.71 AU

Year: 3702 Days

Day: 8.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,020,831 km

• M1: 118,182 km (0.1 R)
• M2: 424,858 km (0.087 R)
• M3: 961,017 km (0.083 R)
• M4: 1,399,488 km (0.086 R)
• M5: 1,788,592 km (0.114 R)
• M6: 2,314,129 km (0.109 R)
• M7: 2,939,598 km (0.116 R)
• M8: 4,693,484 km (0.113 R)
• M9: 5,315,661 km (0.116 R)
• M10: 5,792,878 km (0.104 R)
• M11: 6,615,816 km (0.077 R)
• M12: 10,963,430 km (0.092 R)
• M13: 11,857,127 km (0.084 R)
• M14: 12,756,510 km (0.105 R)
• M15: 14,280,314 km (0.075 R)
• M16: 15,156,658 km (0.119 R)
• M17: 16,413,280 km (0.107 R)
• M18: 17,016,010 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.2

Radius: 12.7

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.94 AU - 3.9 AU

Year: 4290 Days

Day: 12.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,020,831 km

• M1: 157,975 km (0.079 R)
• M2: 627,862 km (0.069 R)
• M3: 1,042,398 km (0.118 R)
• M4: 2,395,361 km (0.059 R)
• M5: 3,999,200 km (0.102 R)
• M6: 4,405,208 km (0.095 R)
• M7: 4,981,459 km (0.076 R)
• M8: 6,063,202 km (0.096 R)
• M9: 8,479,207 km (0.097 R)
• M10: 9,044,837 km (0.088 R)
• M11: 9,787,141 km (0.116 R)
• M12: 10,529,446 km (0.12 R)
• M13: 11,309,001 km (0.047 R)
• M14: 12,170,834 km (0.04 R)
• M15: 12,617,982 km (0.092 R)
• M16: 14,319,209 km (0.12 R)
• M17: 15,225,024 km (0.057 R)
• M18: 15,639,560 km (0.048 R)
• M19: 17,884,575 km (0.12 R)
• M20: 19,173,959 km (0.118 R)
• M21: 21,287,328 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.6

Radius: 4.8

Gravity: 28.5 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 8.68 AU - 9.9 AU

Year: 19205 Days

Day: 19.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,020,831 km

• M1: 60,138 km (0.118 R)
• M2: 282,142 km (0.12 R)
• M3: 544,536 km (0.096 R)
• M4: 1,106,575 km (0.112 R)
• M5: 1,784,553 km (0.062 R)
• M6: 2,318,468 km (0.098 R)
• M7: 3,214,858 km (0.088 R)
• M8: 3,695,815 km (0.116 R)
• M9: 3,907,197 km (0.072 R)
• M10: 4,288,522 km (0.119 R)
• M11: 6,402,789 km (0.032 R)
• M12: 6,932,365 km (0.043 R)
• M13: 8,229,828 km (0.078 R)
• M14: 8,962,708 km (0.075 R)
• M15: 11,045,409 km (0.077 R)
• M16: 11,358,069 km (0.06 R)
• M17: 13,219,066 km (0.12 R)
• M18: 15,274,092 km (0.117 R)
• M19: 16,458,159 km (0.065 R)
• M20: 16,620,473 km (0.036 R)
• M21: 20,468,878 km (0.065 R)
• M22: 22,200,773 km (0.028 R)
• M23: 24,447,284 km (0.034 R)
• M24: 25,843,631 km (0.104 R)
• M25: 26,505,751 km (0.118 R)
• M26: 26,841,000 km (0.097 R)
• M27: 31,087,036 km (0.116 R)
• M28: 32,724,235 km (0.103 R)
• M29: 33,890,650 km (0.056 R)
• M30: 37,415,774 km (0.1 R)
• M31: 37,696,719 km (0.093 R)
• M32: 43,458,630 km (0.093 R)
• M33: 45,025,219 km (0.059 R)
• M34: 45,983,094 km (0.11 R)
• M35: 54,319,286 km (0.115 R)
• M36: 57,431,221 km (0.094 R)
• M37: 58,746,485 km (0.08 R)
• M38: 72,148,809 km (0.111 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 12,282 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit