🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.7

Radius: 14.1

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.7 AU - 0.8 AU

Year: 419 Days

Day: 6.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,039,588 km

• M1: 175,329 km (0.088 R)
• M2: 660,325 km (0.049 R)
• M3: 1,240,765 km (0.102 R)
• M4: 2,118,755 km (0.094 R)
• M5: 2,677,203 km (0.084 R)
• M6: 3,380,912 km (0.116 R)
• M7: 4,027,923 km (0.071 R)
• M8: 4,607,016 km (0.072 R)
• M9: 5,081,391 km (0.116 R)
• M10: 5,968,955 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.7

Radius: 11.4

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.79 AU - 1.07 AU

Year: 579 Days

Day: 11.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,039,588 km

• M1: 141,819 km (0.108 R)
• M2: 504,893 km (0.082 R)
• M3: 1,010,534 km (0.075 R)
• M4: 1,603,091 km (0.062 R)
• M5: 2,694,557 km (0.08 R)
• M6: 3,068,552 km (0.109 R)
• M7: 3,732,616 km (0.113 R)
• M8: 4,604,473 km (0.067 R)
• M9: 5,050,424 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.4

Radius: 15

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.91 AU - 0.97 AU

Year: 588 Days

Day: 6.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,039,588 km

• M1: 186,848 km (0.06 R)
• M2: 729,140 km (0.045 R)
• M3: 1,197,980 km (0.112 R)
• M4: 1,905,578 km (0.109 R)
• M5: 2,402,841 km (0.025 R)
• M6: 3,130,335 km (0.096 R)
• M7: 3,790,511 km (0.047 R)
• M8: 4,880,481 km (0.105 R)
• M9: 5,884,432 km (0.085 R)
• M10: 6,506,161 km (0.056 R)
• M11: 7,064,759 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.2

Radius: 13

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.3 AU - 1.54 AU

Year: 1093 Days

Day: 7.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,039,588 km

• M1: 161,715 km (0.076 R)
• M2: 582,534 km (0.101 R)
• M3: 988,094 km (0.114 R)
• M4: 1,528,741 km (0.094 R)
• M5: 2,179,791 km (0.072 R)
• M6: 2,618,860 km (0.053 R)
• M7: 3,514,204 km (0.089 R)
• M8: 4,223,746 km (0.087 R)
• M9: 4,712,034 km (0.091 R)
• M10: 5,971,797 km (0.109 R)
• M11: 6,566,449 km (0.099 R)
• M12: 7,797,490 km (0.064 R)
• M13: 8,894,341 km (0.115 R)
• M14: 9,760,363 km (0.12 R)
• M15: 10,213,944 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.2

Radius: 11.4

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.82 AU - 2.9 AU

Year: 2341 Days

Day: 5.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,039,588 km

• M1: 141,819 km (0.074 R)
• M2: 739,313 km (0.09 R)
• M3: 1,208,302 km (0.037 R)
• M4: 1,853,069 km (0.112 R)
• M5: 2,267,605 km (0.087 R)
• M6: 2,730,311 km (0.025 R)
• M7: 3,335,883 km (0.107 R)
• M8: 4,774,865 km (0.098 R)
• M9: 6,961,238 km (0.096 R)
• M10: 8,925,607 km (0.083 R)
• M11: 11,422,097 km (0.102 R)
• M12: 12,508,028 km (0.114 R)
• M13: 13,117,340 km (0.094 R)
• M14: 14,660,891 km (0.092 R)
• M15: 15,110,432 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.7

Radius: 13.2

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.54 AU - 2.98 AU

Year: 2961 Days

Day: 7.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,039,588 km

• M1: 171,290 km (0.109 R)
• M2: 582,833 km (0.038 R)
• M3: 1,207,704 km (0.056 R)
• M4: 1,816,118 km (0.062 R)
• M5: 3,677,714 km (0.088 R)
• M6: 4,954,233 km (0.12 R)
• M7: 6,003,961 km (0.12 R)
• M8: 7,655,222 km (0.05 R)
• M9: 8,721,257 km (0.062 R)
• M10: 10,485,464 km (0.025 R)
• M11: 11,506,320 km (0.06 R)
• M12: 12,059,832 km (0.096 R)
• M13: 13,061,240 km (0.058 R)
• M14: 13,827,630 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.5

Radius: 11.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.9 AU - 3.04 AU

Year: 3305 Days

Day: 10.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,039,588 km

• M1: 148,551 km (0.113 R)
• M2: 579,542 km (0.068 R)
• M3: 1,473,988 km (0.071 R)
• M4: 2,424,682 km (0.105 R)
• M5: 3,042,521 km (0.069 R)
• M6: 3,730,373 km (0.065 R)
• M7: 4,316,796 km (0.113 R)
• M8: 5,523,004 km (0.05 R)
• M9: 5,896,400 km (0.115 R)
• M10: 7,377,868 km (0.11 R)
• M11: 7,996,455 km (0.067 R)
• M12: 9,063,985 km (0.114 R)
• M13: 10,755,638 km (0.111 R)

Asteroid Belt

Center: 3.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.5

Radius: 8.6

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.82 AU - 4.1 AU

Year: 5088 Days

Day: 13.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 22,039,588 km

• M1: 106,962 km (0.119 R)
• M2: 423,512 km (0.119 R)
• M3: 862,581 km (0.103 R)
• M4: 1,285,943 km (0.099 R)
• M5: 1,588,879 km (0.038 R)
• M6: 1,981,573 km (0.093 R)
• M7: 2,907,883 km (0.085 R)
• M8: 3,213,961 km (0.083 R)
• M9: 3,868,601 km (0.099 R)
• M10: 4,144,908 km (0.103 R)
• M11: 4,558,995 km (0.077 R)
• M12: 5,671,854 km (0.118 R)
• M13: 6,626,587 km (0.056 R)
• M14: 7,756,650 km (0.067 R)
• M15: 8,694,628 km (0.082 R)
• M16: 9,090,315 km (0.088 R)
• M17: 10,794,534 km (0.097 R)
• M18: 12,551,411 km (0.084 R)
• M19: 13,315,108 km (0.098 R)
• M20: 16,986,539 km (0.116 R)
• M21: 20,717,959 km (0.073 R)
• M22: 21,424,509 km (0.094 R)
• M23: 22,001,359 km (0.103 R)
• M24: 22,885,931 km (0.112 R)
• M25: 23,412,665 km (0.088 R)
• M26: 24,179,205 km (0.098 R)
• M27: 25,843,331 km (0.103 R)
• M28: 26,250,537 km (0.119 R)
• M29: 29,486,638 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.2

Radius: 7.6

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.95 AU - 10.71 AU

Year: 16942 Days

Day: 18.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,039,588 km

• M1: 113,395 km (0.11 R)
• M2: 397,930 km (0.117 R)
• M3: 754,572 km (0.027 R)
• M4: 1,552,377 km (0.098 R)
• M5: 2,567,249 km (0.082 R)
• M6: 2,804,810 km (0.07 R)
• M7: 3,215,905 km (0.112 R)
• M8: 5,100,240 km (0.119 R)
• M9: 5,607,975 km (0.105 R)
• M10: 9,059,497 km (0.075 R)
• M11: 12,018,095 km (0.106 R)
• M12: 13,619,091 km (0.097 R)
• M13: 18,909,620 km (0.096 R)
• M14: 20,749,075 km (0.093 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: 387 - 18,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit