🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.4

Radius: 12.9

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.71 AU - 1.11 AU

Year: 569 Days

Day: 14.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,840,604 km

• M1: 160,519 km (0.12 R)
• M2: 653,443 km (0.062 R)
• M3: 1,068,129 km (0.062 R)
• M4: 1,566,140 km (0.071 R)
• M5: 2,312,035 km (0.105 R)
• M6: 2,881,255 km (0.104 R)
• M7: 3,307,759 km (0.093 R)
• M8: 3,965,540 km (0.065 R)
• M9: 4,466,244 km (0.063 R)
• M10: 4,881,079 km (0.112 R)
• M11: 6,153,110 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.4

Radius: 13.5

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.79 AU - 1.13 AU

Year: 617 Days

Day: 8.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,840,604 km

• M1: 167,998 km (0.07 R)
• M2: 691,890 km (0.103 R)
• M3: 1,265,748 km (0.075 R)
• M4: 2,349,285 km (0.049 R)
• M5: 2,896,963 km (0.091 R)
• M6: 3,564,768 km (0.057 R)
• M7: 4,924,912 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.8

Radius: 8

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.88 AU - 2.74 AU

Year: 2303 Days

Day: 13.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,840,604 km

• M1: 99,632 km (0.1 R)
• M2: 397,182 km (0.065 R)
• M3: 794,963 km (0.098 R)
• M4: 1,084,884 km (0.107 R)
• M5: 1,384,379 km (0.108 R)
• M6: 1,634,207 km (0.091 R)
• M7: 2,205,970 km (0.119 R)
• M8: 3,140,658 km (0.113 R)
• M9: 3,896,725 km (0.065 R)
• M10: 4,217,912 km (0.12 R)
• M11: 4,539,248 km (0.1 R)
• M12: 6,893,320 km (0.04 R)
• M13: 7,436,809 km (0.114 R)
• M14: 8,743,996 km (0.095 R)
• M15: 9,268,037 km (0.078 R)
• M16: 9,523,400 km (0.095 R)
• M17: 9,871,365 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.2

Radius: 13.5

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.23 AU - 2.61 AU

Year: 2470 Days

Day: 10.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,840,604 km

• M1: 167,849 km (0.091 R)
• M2: 589,416 km (0.082 R)
• M3: 1,135,448 km (0.114 R)
• M4: 1,848,132 km (0.114 R)
• M5: 2,650,725 km (0.047 R)
• M6: 3,080,370 km (0.119 R)
• M7: 3,641,063 km (0.097 R)
• M8: 4,540,744 km (0.118 R)
• M9: 6,028,944 km (0.074 R)
• M10: 7,453,864 km (0.063 R)
• M11: 8,083,072 km (0.027 R)
• M12: 8,871,902 km (0.068 R)
• M13: 13,113,899 km (0.069 R)
• M14: 14,420,188 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538

Radius: 10.2

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.36 AU - 2.58 AU

Year: 2547 Days

Day: 7.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,840,604 km

• M1: 127,308 km (0.115 R)
• M2: 455,077 km (0.068 R)
• M3: 807,978 km (0.083 R)
• M4: 1,713,045 km (0.111 R)
• M5: 2,215,096 km (0.1 R)
• M6: 2,889,333 km (0.052 R)
• M7: 3,411,131 km (0.078 R)
• M8: 4,190,386 km (0.093 R)
• M9: 4,622,425 km (0.095 R)
• M10: 7,102,907 km (0.077 R)
• M11: 8,086,812 km (0.073 R)
• M12: 8,758,656 km (0.09 R)
• M13: 9,192,939 km (0.118 R)
• M14: 9,782,504 km (0.054 R)
• M15: 10,250,297 km (0.028 R)
• M16: 10,620,102 km (0.028 R)
• M17: 11,230,462 km (0.107 R)
• M18: 11,623,755 km (0.046 R)
• M19: 12,858,984 km (0.104 R)
• M20: 13,376,742 km (0.038 R)
• M21: 14,043,650 km (0.085 R)
• M22: 14,966,968 km (0.063 R)
• M23: 16,427,342 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.9

Radius: 12.3

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.75 AU - 3.17 AU

Year: 3341 Days

Day: 12.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,840,604 km

• M1: 153,039 km (0.11 R)
• M2: 620,532 km (0.09 R)
• M3: 1,415,944 km (0.083 R)
• M4: 2,346,891 km (0.065 R)
• M5: 2,747,664 km (0.108 R)
• M6: 3,286,067 km (0.1 R)
• M7: 3,998,901 km (0.109 R)
• M8: 4,812,564 km (0.044 R)
• M9: 5,492,785 km (0.07 R)
• M10: 5,953,247 km (0.116 R)
• M11: 7,298,581 km (0.074 R)
• M12: 8,232,371 km (0.056 R)
• M13: 9,937,338 km (0.093 R)
• M14: 10,500,125 km (0.081 R)
• M15: 11,866,701 km (0.098 R)
• M16: 14,134,156 km (0.082 R)
• M17: 15,636,568 km (0.102 R)
• M18: 16,233,314 km (0.112 R)
• M19: 16,958,265 km (0.027 R)
• M20: 20,075,735 km (0.119 R)
• M21: 20,911,090 km (0.094 R)
• M22: 22,582,547 km (0.081 R)
• M23: 23,697,948 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.7

Radius: 12.5

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.61 AU - 3.89 AU

Year: 3844 Days

Day: 5.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,840,604 km

• M1: 155,432 km (0.049 R)
• M2: 675,135 km (0.074 R)
• M3: 1,095,056 km (0.106 R)
• M4: 2,127,731 km (0.037 R)
• M5: 2,540,920 km (0.082 R)
• M6: 2,974,155 km (0.066 R)
• M7: 3,847,956 km (0.113 R)
• M8: 4,513,218 km (0.074 R)
• M9: 6,472,053 km (0.041 R)
• M10: 7,672,725 km (0.084 R)
• M11: 8,206,341 km (0.099 R)
• M12: 9,422,721 km (0.115 R)
• M13: 11,553,892 km (0.118 R)
• M14: 12,345,714 km (0.082 R)
• M15: 13,891,209 km (0.071 R)
• M16: 14,584,446 km (0.093 R)
• M17: 16,147,744 km (0.107 R)
• M18: 17,250,280 km (0.086 R)
• M19: 18,226,406 km (0.102 R)
• M20: 18,698,238 km (0.094 R)
• M21: 19,117,860 km (0.097 R)
• M22: 21,246,189 km (0.043 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 14,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit