🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.5

Radius: 8.9

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.17 AU - 1.23 AU

Year: 892 Days

Day: 13.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,757,237 km

• M1: 110,702 km (0.077 R)
• M2: 555,307 km (0.038 R)
• M3: 1,375,253 km (0.104 R)
• M4: 1,732,792 km (0.101 R)
• M5: 2,243,818 km (0.083 R)
• M6: 2,557,824 km (0.086 R)
• M7: 4,784,888 km (0.025 R)
• M8: 5,517,768 km (0.11 R)
• M9: 6,688,970 km (0.107 R)
• M10: 8,395,433 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.5

Radius: 9.3

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.25 AU - 1.49 AU

Year: 1088 Days

Day: 8.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,757,237 km

• M1: 115,639 km (0.094 R)
• M2: 493,673 km (0.108 R)
• M3: 896,989 km (0.076 R)
• M4: 1,258,118 km (0.091 R)
• M5: 2,147,029 km (0.113 R)
• M6: 2,859,862 km (0.095 R)
• M7: 4,179,166 km (0.067 R)
• M8: 4,672,839 km (0.051 R)
• M9: 5,887,424 km (0.105 R)
• M10: 6,250,349 km (0.098 R)
• M11: 6,604,297 km (0.117 R)
• M12: 7,666,891 km (0.085 R)
• M13: 7,963,095 km (0.101 R)
• M14: 8,521,394 km (0.117 R)
• M15: 9,438,130 km (0.11 R)
• M16: 10,783,314 km (0.072 R)
• M17: 11,748,370 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.6

Radius: 11

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.74 AU - 2.3 AU

Year: 1947 Days

Day: 7.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,757,237 km

• M1: 136,882 km (0.115 R)
• M2: 549,473 km (0.114 R)
• M3: 929,003 km (0.057 R)
• M4: 1,297,163 km (0.115 R)
• M5: 1,818,063 km (0.102 R)
• M6: 2,174,555 km (0.096 R)
• M7: 2,695,604 km (0.117 R)
• M8: 3,381,959 km (0.099 R)
• M9: 4,181,111 km (0.058 R)
• M10: 4,739,560 km (0.055 R)
• M11: 5,366,524 km (0.118 R)
• M12: 5,964,766 km (0.098 R)
• M13: 6,651,421 km (0.052 R)
• M14: 7,366,050 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849

Radius: 13

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.54 AU - 3.24 AU

Year: 3332 Days

Day: 6.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 68.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,757,237 km

• M1: 161,715 km (0.105 R)
• M2: 645,664 km (0.077 R)
• M3: 1,243,158 km (0.03 R)
• M4: 2,931,969 km (0.086 R)
• M5: 4,054,551 km (0.103 R)
• M6: 4,909,204 km (0.078 R)
• M7: 6,636,910 km (0.116 R)
• M8: 8,703,455 km (0.095 R)
• M9: 9,884,081 km (0.059 R)
• M10: 11,561,671 km (0.1 R)
• M11: 12,145,851 km (0.109 R)
• M12: 21,374,394 km (0.088 R)
• M13: 24,162,150 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.4

Radius: 13.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.48 AU - 3.7 AU

Year: 3684 Days

Day: 8.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,757,237 km

• M1: 170,392 km (0.107 R)
• M2: 601,383 km (0.061 R)
• M3: 1,253,630 km (0.074 R)
• M4: 1,688,960 km (0.104 R)
• M5: 2,660,598 km (0.081 R)
• M6: 3,131,831 km (0.079 R)
• M7: 5,335,857 km (0.116 R)
• M8: 6,181,085 km (0.089 R)
• M9: 9,535,069 km (0.115 R)
• M10: 10,737,088 km (0.1 R)
• M11: 12,702,206 km (0.051 R)
• M12: 13,191,690 km (0.098 R)
• M13: 14,052,775 km (0.114 R)
• M14: 16,169,884 km (0.067 R)
• M15: 19,505,917 km (0.087 R)
• M16: 20,825,370 km (0.03 R)
• M17: 21,506,938 km (0.113 R)
• M18: 22,986,910 km (0.103 R)
• M19: 23,936,407 km (0.025 R)
• M20: 25,602,778 km (0.041 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.8

Radius: 5.2

Gravity: 21.18 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.68 AU - 7.12 AU

Year: 9720 Days

Day: 18.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,757,237 km

• M1: 64,626 km (0.118 R)
• M2: 878,738 km (0.119 R)
• M3: 1,132,755 km (0.09 R)
• M4: 1,555,668 km (0.117 R)
• M5: 2,511,748 km (0.078 R)
• M6: 3,990,074 km (0.071 R)
• M7: 5,496,525 km (0.115 R)
• M8: 10,712,255 km (0.055 R)
• M9: 13,076,799 km (0.061 R)
• M10: 15,701,194 km (0.114 R)
• M11: 16,648,597 km (0.082 R)
• M12: 22,634,307 km (0.095 R)
• M13: 23,146,531 km (0.104 R)
• M14: 27,333,775 km (0.111 R)
• M15: 30,217,723 km (0.1 R)
• M16: 35,540,265 km (0.052 R)
• M17: 37,168,489 km (0.086 R)
• M18: 37,761,794 km (0.108 R)
• M19: 38,361,382 km (0.105 R)
• M20: 43,914,605 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.5

Radius: 7.6

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.75 AU - 9.89 AU

Year: 16277 Days

Day: 20.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 104.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,757,237 km

• M1: 94,845 km (0.108 R)
• M2: 371,452 km (0.116 R)
• M3: 667,506 km (0.1 R)
• M4: 1,574,817 km (0.094 R)
• M5: 4,004,735 km (0.062 R)
• M6: 5,222,162 km (0.032 R)
• M7: 7,028,557 km (0.059 R)
• M8: 11,142,498 km (0.086 R)
• M9: 12,526,727 km (0.082 R)
• M10: 19,297,228 km (0.108 R)
• M11: 20,608,004 km (0.102 R)
• M12: 21,802,693 km (0.097 R)
• M13: 23,405,634 km (0.114 R)
• M14: 34,585,981 km (0.078 R)
• M15: 40,850,691 km (0.066 R)
• M16: 45,802,380 km (0.1 R)
• M17: 48,719,090 km (0.05 R)
• M18: 49,919,613 km (0.108 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 11,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit