🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.49 AU - 0.63 AU

Year: 271 Days

Day: 40.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 95,024,437 km

• M1: 37,100 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.5

Radius: 8.9

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.6 AU - 0.9 AU

Year: 419 Days

Day: 5.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 95,024,437 km

• M1: 110,852 km (0.115 R)
• M2: 664,663 km (0.068 R)
• M3: 1,001,109 km (0.101 R)
• M4: 2,082,851 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.3

Radius: 8

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.47 AU - 1.93 AU

Year: 1431 Days

Day: 13.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 95,024,437 km

• M1: 99,483 km (0.082 R)
• M2: 384,766 km (0.111 R)
• M3: 650,152 km (0.108 R)
• M4: 1,439,132 km (0.046 R)
• M5: 1,825,692 km (0.117 R)
• M6: 2,149,273 km (0.03 R)
• M7: 3,241,786 km (0.093 R)
• M8: 3,781,984 km (0.108 R)
• M9: 4,123,965 km (0.116 R)
• M10: 4,648,305 km (0.067 R)
• M11: 4,964,705 km (0.079 R)
• M12: 5,255,672 km (0.071 R)
• M13: 6,110,026 km (0.082 R)
• M14: 6,421,937 km (0.071 R)
• M15: 6,957,647 km (0.108 R)
• M16: 7,497,546 km (0.039 R)
• M17: 8,224,741 km (0.113 R)
• M18: 9,402,376 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.8

Radius: 13.1

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.13 AU - 2.41 AU

Year: 2208 Days

Day: 14.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 95,024,437 km

• M1: 162,912 km (0.086 R)
• M2: 590,463 km (0.057 R)
• M3: 1,231,490 km (0.086 R)
• M4: 1,949,260 km (0.112 R)
• M5: 2,776,686 km (0.088 R)
• M6: 3,229,369 km (0.091 R)
• M7: 3,675,320 km (0.105 R)
• M8: 4,348,212 km (0.084 R)
• M9: 4,826,626 km (0.093 R)
• M10: 5,340,046 km (0.082 R)
• M11: 6,072,477 km (0.089 R)
• M12: 7,553,346 km (0.12 R)
• M13: 8,118,377 km (0.062 R)
• M14: 9,547,187 km (0.11 R)
• M15: 10,359,503 km (0.031 R)
• M16: 11,057,975 km (0.105 R)
• M17: 12,377,279 km (0.118 R)
• M18: 14,312,028 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.5

Radius: 14.2

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.42 AU - 4.24 AU

Year: 4840 Days

Day: 12 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 95,024,437 km

• M1: 178,171 km (0.076 R)
• M2: 725,400 km (0.084 R)
• M3: 1,469,949 km (0.063 R)
• M4: 2,050,688 km (0.051 R)
• M5: 2,641,300 km (0.084 R)
• M6: 3,490,866 km (0.077 R)
• M7: 4,122,169 km (0.119 R)
• M8: 5,353,360 km (0.091 R)
• M9: 6,227,909 km (0.098 R)
• M10: 7,091,089 km (0.103 R)
• M11: 7,957,410 km (0.097 R)
• M12: 9,728,350 km (0.077 R)
• M13: 10,569,389 km (0.091 R)
• M14: 12,045,172 km (0.03 R)
• M15: 12,755,014 km (0.096 R)
• M16: 13,926,814 km (0.12 R)
• M17: 14,370,371 km (0.079 R)
• M18: 15,111,330 km (0.069 R)
• M19: 15,877,570 km (0.079 R)
• M20: 19,272,694 km (0.076 R)
• M21: 19,963,686 km (0.097 R)
• M22: 20,457,060 km (0.093 R)
• M23: 25,190,785 km (0.088 R)
• M24: 25,933,688 km (0.116 R)
• M25: 27,550,093 km (0.077 R)
• M26: 28,516,197 km (0.111 R)
• M27: 29,142,563 km (0.048 R)
• M28: 29,869,758 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.5

Radius: 4.8

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.31 AU - 12.59 AU

Year: 21812 Days

Day: 22.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 95,024,437 km

• M1: 59,989 km (0.034 R)
• M2: 282,291 km (0.111 R)
• M3: 546,930 km (0.09 R)
• M4: 758,312 km (0.099 R)
• M5: 994,377 km (0.099 R)
• M6: 1,210,845 km (0.111 R)
• M7: 1,710,951 km (0.085 R)
• M8: 3,235,802 km (0.07 R)
• M9: 5,307,882 km (0.106 R)
• M10: 6,442,731 km (0.117 R)
• M11: 6,758,981 km (0.096 R)
• M12: 9,536,266 km (0.069 R)
• M13: 13,724,258 km (0.034 R)
• M14: 20,910,192 km (0.09 R)
• M15: 21,680,471 km (0.085 R)
• M16: 25,468,589 km (0.119 R)
• M17: 35,500,921 km (0.114 R)
• M18: 35,718,137 km (0.045 R)
• M19: 36,045,607 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.1

Radius: 5.6

Gravity: 31.35 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 10.83 AU - 11.01 AU

Year: 23300 Days

Day: 17.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 95,024,437 km

• M1: 69,713 km (0.117 R)
• M2: 335,847 km (0.102 R)
• M3: 852,259 km (0.12 R)
• M4: 2,981,336 km (0.053 R)
• M5: 3,181,049 km (0.102 R)
• M6: 4,918,479 km (0.038 R)
• M7: 5,321,196 km (0.093 R)
• M8: 6,856,370 km (0.115 R)
• M9: 8,722,453 km (0.059 R)
• M10: 9,073,111 km (0.106 R)
• M11: 10,835,673 km (0.102 R)
• M12: 13,115,245 km (0.117 R)
• M13: 13,575,708 km (0.066 R)
• M14: 20,889,099 km (0.076 R)
• M15: 23,475,197 km (0.066 R)
• M16: 24,382,658 km (0.092 R)
• M17: 24,961,452 km (0.095 R)
• M18: 25,906,611 km (0.051 R)
• M19: 26,753,036 km (0.071 R)
• M20: 27,244,914 km (0.09 R)
• M21: 30,456,481 km (0.089 R)
• M22: 32,639,114 km (0.062 R)
• M23: 34,487,695 km (0.07 R)
• M24: 36,404,791 km (0.111 R)
• M25: 38,081,484 km (0.117 R)
• M26: 51,472,738 km (0.113 R)
• M27: 57,157,606 km (0.116 R)
• M28: 61,100,408 km (0.086 R)
• M29: 69,522,618 km (0.12 R)
• M30: 70,685,443 km (0.108 R)
• M31: 73,528,700 km (0.095 R)
• M32: 77,188,761 km (0.083 R)
• M33: 81,481,472 km (0.12 R)
• M34: 90,815,183 km (0.107 R)
• M35: 94,739,883 km (0.069 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: 373 - 13,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit