🌌 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: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950

Radius: 12.8

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.57 AU - 0.95 AU

Year: 421 Days

Day: 6.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,732,520 km

• M1: 160,519 km (0.111 R)
• M2: 620,233 km (0.111 R)
• M3: 1,238,371 km (0.094 R)
• M4: 1,678,189 km (0.087 R)
• M5: 2,427,973 km (0.119 R)
• M6: 3,366,999 km (0.065 R)
• M7: 4,273,114 km (0.028 R)
• M8: 4,838,145 km (0.066 R)
• M9: 5,302,497 km (0.059 R)
• M10: 5,956,090 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.5

Radius: 12.3

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.64 AU - 1 AU

Year: 472 Days

Day: 7.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,732,520 km

• M1: 153,039 km (0.094 R)
• M2: 580,290 km (0.096 R)
• M3: 1,147,116 km (0.085 R)
• M4: 1,545,496 km (0.12 R)
• M5: 2,433,808 km (0.099 R)
• M6: 2,859,115 km (0.044 R)
• M7: 3,902,859 km (0.119 R)
• M8: 4,371,100 km (0.105 R)
• M9: 5,021,253 km (0.115 R)
• M10: 5,438,331 km (0.09 R)
• M11: 5,987,804 km (0.056 R)

Asteroid Belt

Center: 1.22 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.9

Radius: 12.6

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.55 AU - 1.69 AU

Year: 1311 Days

Day: 13.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,732,520 km

• M1: 156,928 km (0.104 R)
• M2: 876,494 km (0.061 R)
• M3: 1,460,524 km (0.102 R)
• M4: 1,969,755 km (0.058 R)
• M5: 3,005,720 km (0.093 R)
• M6: 4,597,292 km (0.033 R)
• M7: 6,671,915 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.9

Radius: 12.3

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.92 AU - 4 AU

Year: 5010 Days

Day: 14.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,732,520 km

• M1: 153,039 km (0.111 R)
• M2: 845,976 km (0.079 R)
• M3: 1,264,850 km (0.062 R)
• M4: 2,223,623 km (0.076 R)
• M5: 2,817,377 km (0.087 R)
• M6: 3,535,446 km (0.111 R)
• M7: 5,754,282 km (0.119 R)
• M8: 13,328,871 km (0.065 R)
• M9: 13,944,766 km (0.059 R)
• M10: 14,633,365 km (0.092 R)
• M11: 24,989,427 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.1

Radius: 9.6

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.54 AU - 4.44 AU

Year: 5067 Days

Day: 13.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,732,520 km

• M1: 119,379 km (0.118 R)
• M2: 478,564 km (0.069 R)
• M3: 906,862 km (0.072 R)
• M4: 1,539,063 km (0.103 R)
• M5: 1,859,801 km (0.055 R)
• M6: 2,410,470 km (0.114 R)
• M7: 2,973,856 km (0.106 R)
• M8: 4,014,908 km (0.112 R)
• M9: 5,309,827 km (0.11 R)
• M10: 5,644,627 km (0.047 R)
• M11: 5,993,489 km (0.12 R)
• M12: 9,406,864 km (0.096 R)
• M13: 11,615,227 km (0.066 R)
• M14: 12,374,137 km (0.109 R)
• M15: 13,522,301 km (0.078 R)
• M16: 13,833,166 km (0.119 R)
• M17: 14,959,039 km (0.115 R)
• M18: 15,572,540 km (0.096 R)
• M19: 16,553,752 km (0.096 R)
• M20: 19,744,675 km (0.108 R)
• M21: 21,031,516 km (0.055 R)
• M22: 21,660,276 km (0.052 R)
• M23: 22,157,838 km (0.114 R)
• M24: 25,778,107 km (0.087 R)
• M25: 27,396,456 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.6

Radius: 11.3

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.93 AU - 4.45 AU

Year: 5453 Days

Day: 7.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,732,520 km

• M1: 140,472 km (0.103 R)
• M2: 536,308 km (0.108 R)
• M3: 964,906 km (0.107 R)
• M4: 1,529,040 km (0.051 R)
• M5: 4,450,237 km (0.091 R)
• M6: 5,424,718 km (0.09 R)
• M7: 7,076,278 km (0.111 R)
• M8: 7,756,201 km (0.061 R)
• M9: 8,597,539 km (0.088 R)
• M10: 9,081,339 km (0.088 R)
• M11: 10,059,858 km (0.093 R)
• M12: 11,633,030 km (0.065 R)
• M13: 12,683,207 km (0.096 R)
• M14: 14,572,478 km (0.038 R)
• M15: 16,396,525 km (0.065 R)
• M16: 16,828,713 km (0.102 R)
• M17: 18,040,007 km (0.105 R)
• M18: 19,721,188 km (0.079 R)
• M19: 22,172,050 km (0.099 R)
• M20: 23,941,045 km (0.099 R)
• M21: 26,725,510 km (0.031 R)
• M22: 32,250,459 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.9

Radius: 11.3

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.17 AU - 4.37 AU

Year: 5610 Days

Day: 13.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,732,520 km

• M1: 149,598 km (0.041 R)
• M2: 501,452 km (0.106 R)
• M3: 1,333,815 km (0.105 R)
• M4: 1,702,723 km (0.099 R)
• M5: 2,085,245 km (0.066 R)
• M6: 4,280,294 km (0.111 R)
• M7: 4,848,467 km (0.098 R)
• M8: 5,822,349 km (0.104 R)
• M9: 6,766,012 km (0.047 R)
• M10: 7,740,343 km (0.059 R)
• M11: 9,451,893 km (0.069 R)
• M12: 11,714,710 km (0.095 R)
• M13: 13,608,619 km (0.114 R)
• M14: 20,505,679 km (0.104 R)
• M15: 22,188,805 km (0.061 R)
• M16: 23,313,332 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.3

Radius: 8.4

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.67 AU - 5.03 AU

Year: 5769 Days

Day: 9.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,732,520 km

• M1: 104,419 km (0.103 R)
• M2: 661,671 km (0.12 R)
• M3: 945,010 km (0.102 R)
• M4: 1,497,325 km (0.103 R)
• M5: 2,452,059 km (0.088 R)
• M6: 2,990,461 km (0.119 R)
• M7: 3,765,977 km (0.085 R)
• M8: 4,696,326 km (0.097 R)
• M9: 5,347,376 km (0.112 R)
• M10: 5,648,666 km (0.075 R)
• M11: 7,328,949 km (0.078 R)
• M12: 7,892,036 km (0.053 R)
• M13: 8,363,119 km (0.089 R)
• M14: 9,535,368 km (0.086 R)
• M15: 10,024,553 km (0.062 R)
• M16: 10,530,493 km (0.073 R)
• M17: 11,743,582 km (0.069 R)
• M18: 12,202,250 km (0.117 R)
• M19: 14,853,273 km (0.05 R)
• M20: 16,063,371 km (0.086 R)
• M21: 16,884,364 km (0.1 R)
• M22: 20,890,744 km (0.038 R)
• M23: 28,658,464 km (0.066 R)
• M24: 29,303,829 km (0.064 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.7

Radius: 12.9

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.18 AU - 4.64 AU

Year: 5888 Days

Day: 12.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,732,520 km

• M1: 163,959 km (0.11 R)
• M2: 572,212 km (0.117 R)
• M3: 1,027,289 km (0.115 R)
• M4: 1,434,494 km (0.102 R)
• M5: 3,104,904 km (0.061 R)
• M6: 5,940,681 km (0.111 R)
• M7: 8,101,622 km (0.057 R)
• M8: 8,772,419 km (0.05 R)
• M9: 12,116,081 km (0.094 R)
• M10: 15,096,968 km (0.085 R)
• M11: 17,236,068 km (0.057 R)
• M12: 18,855,316 km (0.102 R)
• M13: 21,823,337 km (0.041 R)
• M14: 25,323,928 km (0.033 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.1

Radius: 3.6

Gravity: 34.27 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.25 AU - 8.59 AU

Year: 11574 Days

Day: 18.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 45,732,520 km

• M1: 44,730 km (0.089 R)
• M2: 205,248 km (0.115 R)
• M3: 551,418 km (0.079 R)
• M4: 964,158 km (0.11 R)
• M5: 1,486,404 km (0.12 R)
• M6: 1,701,676 km (0.12 R)
• M7: 2,020,469 km (0.085 R)
• M8: 2,672,416 km (0.119 R)
• M9: 2,903,545 km (0.082 R)
• M10: 3,453,916 km (0.096 R)
• M11: 3,831,501 km (0.07 R)
• M12: 4,849,065 km (0.101 R)
• M13: 5,065,982 km (0.091 R)
• M14: 6,506,011 km (0.095 R)
• M15: 6,885,242 km (0.103 R)
• M16: 7,159,305 km (0.069 R)
• M17: 8,550,416 km (0.116 R)
• M18: 8,821,338 km (0.114 R)
• M19: 9,571,870 km (0.029 R)
• M20: 10,062,102 km (0.088 R)
• M21: 10,313,427 km (0.09 R)
• M22: 11,092,233 km (0.079 R)
• M23: 11,306,457 km (0.109 R)
• M24: 11,687,782 km (0.087 R)
• M25: 17,818,154 km (0.088 R)
• M26: 18,633,761 km (0.059 R)
• M27: 19,785,515 km (0.103 R)
• M28: 22,828,186 km (0.119 R)
• M29: 24,056,385 km (0.034 R)
• M30: 26,547,937 km (0.098 R)
• M31: 28,600,869 km (0.101 R)
• M32: 29,717,168 km (0.109 R)
• M33: 30,338,299 km (0.118 R)
• M34: 30,757,023 km (0.083 R)
• M35: 31,928,674 km (0.108 R)
• M36: 34,815,314 km (0.093 R)
• M37: 36,321,914 km (0.084 R)
• M38: 37,389,893 km (0.044 R)
• M39: 41,357,079 km (0.048 R)
• M40: 43,045,740 km (0.106 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 13,342 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit