🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.7

Radius: 14.5

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.29 AU - 1.33 AU

Year: 1000 Days

Day: 13 Hours

Environment

Temp: -182 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 54,936,152 km

• M1: 180,415 km (0.086 R)
• M2: 1,019,210 km (0.088 R)
• M3: 2,680,794 km (0.081 R)
• M4: 5,216,627 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.8

Radius: 14.5

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.18 AU - 1.44 AU

Year: 1000 Days

Day: 11.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,936,152 km

• M1: 180,864 km (0.076 R)
• M2: 649,404 km (0.071 R)
• M3: 1,110,465 km (0.113 R)
• M4: 1,579,305 km (0.079 R)
• M5: 2,479,286 km (0.066 R)
• M6: 2,954,708 km (0.076 R)
• M7: 3,462,592 km (0.034 R)
• M8: 3,932,928 km (0.09 R)
• M9: 4,764,842 km (0.084 R)
• M10: 5,232,934 km (0.059 R)
• M11: 7,084,656 km (0.112 R)
• M12: 7,697,110 km (0.086 R)
• M13: 8,371,497 km (0.042 R)
• M14: 8,944,606 km (0.109 R)
• M15: 10,415,602 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.9

Radius: 8.4

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.08 AU - 1.54 AU

Year: 1000 Days

Day: 5.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,936,152 km

• M1: 104,419 km (0.082 R)
• M2: 520,301 km (0.077 R)
• M3: 792,270 km (0.098 R)
• M4: 1,055,263 km (0.072 R)
• M5: 1,327,083 km (0.087 R)
• M6: 1,775,727 km (0.086 R)
• M7: 2,237,984 km (0.102 R)
• M8: 2,718,343 km (0.076 R)
• M9: 3,041,026 km (0.109 R)
• M10: 3,334,088 km (0.107 R)
• M11: 3,809,211 km (0.098 R)
• M12: 4,665,958 km (0.115 R)
• M13: 5,298,757 km (0.089 R)
• M14: 6,868,487 km (0.087 R)
• M15: 7,857,927 km (0.056 R)
• M16: 8,859,186 km (0.119 R)
• M17: 9,183,664 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.6

Radius: 11.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.59 AU - 4.91 AU

Year: 5843 Days

Day: 14.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,936,152 km

• M1: 147,504 km (0.111 R)
• M2: 614,997 km (0.036 R)
• M3: 1,120,787 km (0.04 R)
• M4: 1,644,829 km (0.063 R)
• M5: 2,256,085 km (0.119 R)
• M6: 2,705,627 km (0.088 R)
• M7: 3,602,915 km (0.086 R)
• M8: 4,335,047 km (0.088 R)
• M9: 4,959,917 km (0.054 R)
• M10: 5,726,906 km (0.09 R)
• M11: 6,450,211 km (0.097 R)
• M12: 6,818,521 km (0.115 R)
• M13: 7,430,526 km (0.089 R)
• M14: 8,220,104 km (0.072 R)
• M15: 10,252,391 km (0.112 R)
• M16: 15,942,795 km (0.101 R)
• M17: 16,504,834 km (0.117 R)
• M18: 17,490,684 km (0.036 R)
• M19: 24,617,676 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.3

Radius: 9

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.74 AU - 5.44 AU

Year: 6558 Days

Day: 11.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,936,152 km

• M1: 111,899 km (0.11 R)
• M2: 447,447 km (0.113 R)
• M3: 820,245 km (0.047 R)
• M4: 1,305,989 km (0.113 R)
• M5: 1,615,507 km (0.082 R)
• M6: 2,511,599 km (0.115 R)
• M7: 3,143,500 km (0.08 R)
• M8: 3,852,744 km (0.118 R)
• M9: 4,664,910 km (0.053 R)
• M10: 4,950,044 km (0.09 R)
• M11: 5,368,768 km (0.094 R)
• M12: 5,714,190 km (0.086 R)
• M13: 7,172,171 km (0.066 R)
• M14: 8,149,643 km (0.069 R)
• M15: 8,950,141 km (0.06 R)
• M16: 12,847,914 km (0.118 R)
• M17: 13,240,010 km (0.069 R)
• M18: 14,889,027 km (0.106 R)
• M19: 18,590,079 km (0.03 R)
• M20: 20,348,751 km (0.041 R)
• M21: 22,699,682 km (0.048 R)
• M22: 23,108,383 km (0.105 R)
• M23: 25,841,237 km (0.099 R)
• M24: 26,376,648 km (0.106 R)
• M25: 26,737,627 km (0.069 R)
• M26: 28,782,481 km (0.109 R)
• M27: 33,707,691 km (0.084 R)
• M28: 36,201,937 km (0.115 R)
• M29: 38,584,582 km (0.1 R)
• M30: 38,933,295 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.8

Radius: 5.5

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7.67 AU - 8.73 AU

Year: 15659 Days

Day: 19.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,936,152 km

• M1: 68,665 km (0.098 R)
• M2: 390,750 km (0.096 R)
• M3: 644,617 km (0.116 R)
• M4: 2,088,985 km (0.117 R)
• M5: 2,528,503 km (0.119 R)
• M6: 2,708,469 km (0.081 R)
• M7: 2,918,355 km (0.118 R)
• M8: 4,163,907 km (0.086 R)
• M9: 4,589,214 km (0.099 R)
• M10: 4,858,041 km (0.082 R)
• M11: 5,361,737 km (0.106 R)
• M12: 5,559,356 km (0.109 R)
• M13: 7,043,217 km (0.116 R)
• M14: 7,240,537 km (0.036 R)
• M15: 8,110,299 km (0.117 R)
• M16: 9,662,826 km (0.114 R)
• M17: 9,857,752 km (0.109 R)
• M18: 10,154,853 km (0.107 R)
• M19: 10,611,725 km (0.077 R)
• M20: 10,976,445 km (0.078 R)
• M21: 14,390,118 km (0.029 R)
• M22: 22,525,400 km (0.076 R)
• M23: 23,127,681 km (0.084 R)
• M24: 25,090,405 km (0.027 R)
• M25: 25,644,366 km (0.061 R)
• M26: 31,002,513 km (0.04 R)
• M27: 32,395,419 km (0.087 R)
• M28: 34,732,736 km (0.113 R)
• M29: 36,469,567 km (0.119 R)
• M30: 38,629,013 km (0.075 R)
• M31: 43,069,377 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870

Radius: 7.2

Gravity: 16.78 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 9.86 AU - 9.94 AU

Year: 20772 Days

Day: 16.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 54,936,152 km

• M1: 95,294 km (0.117 R)
• M2: 346,917 km (0.112 R)
• M3: 940,223 km (0.074 R)
• M4: 1,440,478 km (0.079 R)
• M5: 2,414,659 km (0.039 R)
• M6: 2,778,631 km (0.1 R)
• M7: 4,505,738 km (0.111 R)
• M8: 4,832,310 km (0.052 R)
• M9: 5,739,173 km (0.06 R)
• M10: 6,254,986 km (0.064 R)
• M11: 6,801,467 km (0.078 R)
• M12: 8,468,287 km (0.076 R)
• M13: 13,089,215 km (0.082 R)
• M14: 13,830,473 km (0.089 R)
• M15: 17,164,261 km (0.038 R)
• M16: 20,404,102 km (0.061 R)
• M17: 22,427,414 km (0.082 R)
• M18: 23,272,941 km (0.073 R)
• M19: 23,703,633 km (0.084 R)
• M20: 25,252,869 km (0.117 R)
• M21: 27,581,359 km (0.084 R)
• M22: 30,303,891 km (0.064 R)
• M23: 35,419,390 km (0.112 R)
• M24: 36,855,380 km (0.099 R)
• M25: 38,629,312 km (0.065 R)
• M26: 39,081,546 km (0.117 R)
• M27: 40,304,808 km (0.07 R)
• M28: 43,311,875 km (0.11 R)
• M29: 44,127,333 km (0.044 R)
• M30: 45,119,316 km (0.078 R)
• M31: 45,788,916 km (0.105 R)
• M32: 49,413,373 km (0.079 R)
• M33: 54,159,964 km (0.083 R)
• M34: 69,314,827 km (0.059 R)
• M35: 72,467,901 km (0.116 R)
• M36: 77,613,619 km (0.032 R)
• M37: 82,997,647 km (0.106 R)
• M38: 83,248,073 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.8

Radius: 6

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.61 AU - 12.27 AU

Year: 22495 Days

Day: 15.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,936,152 km

• M1: 79,287 km (0.075 R)
• M2: 278,850 km (0.112 R)
• M3: 554,260 km (0.107 R)
• M4: 777,610 km (0.115 R)
• M5: 1,142,479 km (0.099 R)
• M6: 1,412,653 km (0.06 R)
• M7: 1,740,870 km (0.098 R)
• M8: 1,957,937 km (0.093 R)
• M9: 2,269,101 km (0.097 R)
• M10: 3,329,001 km (0.082 R)
• M11: 3,533,352 km (0.119 R)
• M12: 4,345,818 km (0.076 R)
• M13: 7,481,240 km (0.099 R)
• M14: 8,104,315 km (0.035 R)
• M15: 8,713,328 km (0.098 R)
• M16: 10,668,423 km (0.106 R)
• M17: 13,213,082 km (0.109 R)
• M18: 14,727,611 km (0.065 R)
• M19: 16,648,897 km (0.101 R)
• M20: 17,554,113 km (0.096 R)
• M21: 27,848,840 km (0.054 R)
• M22: 28,163,744 km (0.113 R)
• M23: 29,338,386 km (0.093 R)
• M24: 30,545,342 km (0.094 R)
• M25: 34,244,299 km (0.078 R)
• M26: 34,605,727 km (0.038 R)
• M27: 39,274,079 km (0.099 R)
• M28: 42,239,856 km (0.086 R)
• M29: 42,516,612 km (0.093 R)
• M30: 44,631,328 km (0.059 R)
• M31: 52,824,205 km (0.105 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: 427 - 18,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit