🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.8

Radius: 15

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.7 AU - 1.06 AU

Year: 580 Days

Day: 6.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,469,782 km

• M1: 186,549 km (0.104 R)
• M2: 752,627 km (0.072 R)
• M3: 1,419,235 km (0.107 R)
• M4: 1,942,678 km (0.062 R)
• M5: 2,515,937 km (0.046 R)
• M6: 3,057,332 km (0.078 R)
• M7: 3,619,221 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.8

Radius: 10.8

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.9 AU - 0.96 AU

Year: 630 Days

Day: 11.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,469,782 km

• M1: 134,488 km (0.096 R)
• M2: 499,657 km (0.062 R)
• M3: 939,475 km (0.066 R)
• M4: 1,507,647 km (0.092 R)
• M5: 2,439,492 km (0.114 R)
• M6: 2,851,934 km (0.058 R)
• M7: 3,403,052 km (0.074 R)
• M8: 3,935,172 km (0.076 R)
• M9: 4,888,110 km (0.109 R)
• M10: 5,382,531 km (0.084 R)
• M11: 6,808,797 km (0.065 R)
• M12: 7,449,226 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.8

Radius: 10.4

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.02 AU - 2.3 AU

Year: 2231 Days

Day: 8.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,469,782 km

• M1: 129,402 km (0.082 R)
• M2: 485,744 km (0.076 R)
• M3: 833,111 km (0.111 R)
• M4: 1,241,214 km (0.078 R)
• M5: 1,750,145 km (0.095 R)
• M6: 2,780,127 km (0.086 R)
• M7: 3,223,685 km (0.08 R)
• M8: 3,551,154 km (0.092 R)
• M9: 4,094,494 km (0.108 R)
• M10: 6,114,514 km (0.076 R)
• M11: 6,592,479 km (0.094 R)
• M12: 8,208,884 km (0.075 R)
• M13: 9,024,940 km (0.087 R)
• M14: 9,575,012 km (0.047 R)
• M15: 10,038,316 km (0.089 R)
• M16: 10,932,912 km (0.079 R)
• M17: 11,718,300 km (0.109 R)
• M18: 12,966,395 km (0.088 R)
• M19: 13,313,762 km (0.084 R)
• M20: 15,001,824 km (0.087 R)
• M21: 15,774,198 km (0.104 R)
• M22: 16,220,299 km (0.12 R)
• M23: 17,450,891 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169

Radius: 12.3

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.83 AU - 2.87 AU

Year: 2532 Days

Day: 10.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,469,782 km

• M1: 154,235 km (0.114 R)
• M2: 603,627 km (0.107 R)
• M3: 1,110,764 km (0.103 R)
• M4: 2,423,336 km (0.079 R)
• M5: 3,238,196 km (0.117 R)
• M6: 4,477,165 km (0.098 R)
• M7: 7,709,377 km (0.091 R)
• M8: 8,471,727 km (0.106 R)
• M9: 9,524,896 km (0.083 R)
• M10: 10,242,368 km (0.086 R)
• M11: 11,164,040 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.2

Radius: 14

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.08 AU - 3.56 AU

Year: 4252 Days

Day: 9.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,469,782 km

• M1: 174,282 km (0.113 R)
• M2: 837,150 km (0.114 R)
• M3: 1,278,463 km (0.116 R)
• M4: 1,737,878 km (0.106 R)
• M5: 2,721,335 km (0.11 R)
• M6: 3,366,999 km (0.109 R)
• M7: 4,135,184 km (0.119 R)
• M8: 6,135,607 km (0.111 R)
• M9: 8,150,242 km (0.038 R)
• M10: 10,533,036 km (0.047 R)
• M11: 11,817,633 km (0.106 R)
• M12: 13,689,701 km (0.087 R)
• M13: 18,673,704 km (0.043 R)
• M14: 22,142,130 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.8

Radius: 12

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.44 AU - 5.54 AU

Year: 7835 Days

Day: 10.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,469,782 km

• M1: 149,299 km (0.104 R)
• M2: 532,419 km (0.088 R)
• M3: 998,715 km (0.113 R)
• M4: 2,724,925 km (0.112 R)
• M5: 3,737,703 km (0.111 R)
• M6: 8,118,078 km (0.092 R)
• M7: 9,001,154 km (0.069 R)
• M8: 9,656,543 km (0.064 R)
• M9: 11,221,336 km (0.111 R)
• M10: 13,362,531 km (0.083 R)
• M11: 14,216,136 km (0.105 R)
• M12: 15,432,217 km (0.109 R)
• M13: 18,662,185 km (0.061 R)
• M14: 21,158,674 km (0.119 R)
• M15: 23,258,131 km (0.044 R)
• M16: 24,403,003 km (0.112 R)
• M17: 25,585,275 km (0.09 R)
• M18: 26,996,282 km (0.073 R)
• M19: 28,757,199 km (0.1 R)
• M20: 33,826,023 km (0.095 R)
• M21: 36,103,202 km (0.119 R)
• M22: 38,968,749 km (0.104 R)
• M23: 39,708,062 km (0.119 R)
• M24: 43,678,240 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.9

Radius: 7.7

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.92 AU - 8.88 AU

Year: 14150 Days

Day: 24.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,469,782 km

• M1: 100,829 km (0.104 R)
• M2: 442,062 km (0.044 R)
• M3: 783,444 km (0.103 R)
• M4: 1,538,016 km (0.094 R)
• M5: 1,877,004 km (0.061 R)
• M6: 2,149,273 km (0.063 R)
• M7: 3,055,836 km (0.099 R)
• M8: 3,930,834 km (0.037 R)
• M9: 5,708,056 km (0.114 R)
• M10: 6,772,595 km (0.091 R)
• M11: 7,198,650 km (0.12 R)
• M12: 8,151,588 km (0.054 R)
• M13: 8,584,823 km (0.12 R)
• M14: 9,549,730 km (0.107 R)
• M15: 10,641,645 km (0.095 R)
• M16: 18,254,082 km (0.089 R)
• M17: 18,663,531 km (0.087 R)
• M18: 20,188,981 km (0.086 R)
• M19: 21,250,976 km (0.051 R)
• M20: 26,078,798 km (0.095 R)
• M21: 37,172,976 km (0.082 R)
• M22: 41,379,369 km (0.108 R)
• M23: 43,234,084 km (0.076 R)
• M24: 46,802,292 km (0.094 R)
• M25: 51,045,935 km (0.099 R)
• M26: 58,322,226 km (0.088 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 19,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit