🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.1

Radius: 12.3

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.69 AU - 0.99 AU

Year: 522 Days

Day: 9.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,792,724 km

• M1: 153,039 km (0.06 R)
• M2: 653,144 km (0.104 R)
• M3: 1,243,607 km (0.073 R)
• M4: 1,694,495 km (0.062 R)
• M5: 2,443,083 km (0.096 R)
• M6: 2,975,950 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.5

Radius: 11.9

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.9 AU - 0.94 AU

Year: 599 Days

Day: 13 Hours

Environment

Temp: -163 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,792,724 km

• M1: 151,842 km (0.103 R)
• M2: 647,908 km (0.109 R)
• M3: 1,079,648 km (0.099 R)
• M4: 1,516,025 km (0.087 R)
• M5: 1,886,728 km (0.111 R)
• M6: 2,310,240 km (0.091 R)
• M7: 3,082,464 km (0.108 R)
• M8: 3,605,009 km (0.084 R)
• M9: 4,547,925 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.1

Radius: 8.1

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.96 AU - 1.34 AU

Year: 836 Days

Day: 11.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,792,724 km

• M1: 100,679 km (0.093 R)
• M2: 374,443 km (0.119 R)
• M3: 714,629 km (0.053 R)
• M4: 984,204 km (0.103 R)
• M5: 1,365,829 km (0.097 R)
• M6: 1,782,010 km (0.057 R)
• M7: 2,068,789 km (0.099 R)
• M8: 2,364,993 km (0.06 R)
• M9: 2,760,530 km (0.114 R)
• M10: 3,831,501 km (0.098 R)
• M11: 4,477,464 km (0.075 R)
• M12: 4,852,805 km (0.041 R)
• M13: 6,590,684 km (0.109 R)
• M14: 7,306,210 km (0.115 R)
• M15: 7,658,962 km (0.116 R)
• M16: 8,146,950 km (0.081 R)
• M17: 8,759,703 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.3

Radius: 12.8

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.13 AU - 1.19 AU

Year: 847 Days

Day: 11.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,792,724 km

• M1: 159,172 km (0.087 R)
• M2: 655,687 km (0.089 R)
• M3: 1,100,891 km (0.074 R)
• M4: 1,513,781 km (0.107 R)
• M5: 1,945,969 km (0.096 R)
• M6: 2,362,300 km (0.047 R)
• M7: 2,801,819 km (0.098 R)
• M8: 3,550,257 km (0.058 R)
• M9: 3,972,571 km (0.082 R)
• M10: 6,115,561 km (0.104 R)
• M11: 6,907,831 km (0.049 R)
• M12: 7,792,254 km (0.036 R)
• M13: 8,858,887 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276

Radius: 9

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.35 AU - 1.71 AU

Year: 1284 Days

Day: 7.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,792,724 km

• M1: 129,701 km (0.106 R)
• M2: 425,905 km (0.045 R)
• M3: 794,813 km (0.116 R)
• M4: 1,083,537 km (0.07 R)
• M5: 2,600,609 km (0.067 R)
• M6: 2,971,463 km (0.093 R)
• M7: 3,418,760 km (0.114 R)
• M8: 3,761,040 km (0.114 R)
• M9: 4,221,203 km (0.06 R)
• M10: 5,479,770 km (0.067 R)
• M11: 6,640,949 km (0.051 R)
• M12: 7,548,709 km (0.109 R)
• M13: 8,307,319 km (0.028 R)
• M14: 8,640,175 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.2

Radius: 8.8

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.41 AU - 2.07 AU

Year: 1557 Days

Day: 13.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,792,724 km

• M1: 109,506 km (0.097 R)
• M2: 612,304 km (0.111 R)
• M3: 913,893 km (0.089 R)
• M4: 1,226,104 km (0.094 R)
• M5: 1,692,251 km (0.12 R)
• M6: 2,019,870 km (0.12 R)
• M7: 2,844,604 km (0.069 R)
• M8: 3,478,001 km (0.055 R)
• M9: 3,961,651 km (0.091 R)
• M10: 4,326,370 km (0.115 R)
• M11: 4,732,379 km (0.062 R)
• M12: 5,493,683 km (0.069 R)
• M13: 6,311,085 km (0.118 R)
• M14: 7,646,546 km (0.097 R)
• M15: 8,185,995 km (0.091 R)
• M16: 8,606,964 km (0.105 R)
• M17: 9,250,684 km (0.032 R)
• M18: 11,033,890 km (0.092 R)
• M19: 11,513,202 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.7

Radius: 6

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.68 AU - 7.22 AU

Year: 9844 Days

Day: 18.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 36,792,724 km

• M1: 78,988 km (0.094 R)
• M2: 278,252 km (0.036 R)
• M3: 594,951 km (0.046 R)
• M4: 1,358,498 km (0.1 R)
• M5: 1,595,611 km (0.111 R)
• M6: 1,919,490 km (0.108 R)
• M7: 2,286,454 km (0.093 R)
• M8: 2,737,043 km (0.083 R)
• M9: 3,202,442 km (0.118 R)
• M10: 3,862,467 km (0.097 R)
• M11: 4,059,637 km (0.087 R)
• M12: 4,555,106 km (0.095 R)
• M13: 5,002,852 km (0.112 R)
• M14: 5,541,105 km (0.09 R)
• M15: 8,205,593 km (0.082 R)
• M16: 9,039,003 km (0.094 R)
• M17: 12,614,990 km (0.087 R)
• M18: 15,257,337 km (0.073 R)
• M19: 18,315,866 km (0.117 R)
• M20: 19,588,196 km (0.113 R)
• M21: 21,451,287 km (0.031 R)
• M22: 23,266,807 km (0.065 R)
• M23: 24,004,325 km (0.106 R)
• M24: 24,420,805 km (0.1 R)
• M25: 25,011,717 km (0.104 R)
• M26: 30,669,508 km (0.09 R)
• M27: 31,456,543 km (0.042 R)
• M28: 32,055,533 km (0.056 R)
• M29: 35,594,270 km (0.108 R)
• M30: 36,572,790 km (0.088 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 13,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit