🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.7

Radius: 14.6

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.23 AU - 1.63 AU

Year: 1140 Days

Day: 10.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,279,871 km

• M1: 181,612 km (0.094 R)
• M2: 806,781 km (0.065 R)
• M3: 1,489,097 km (0.117 R)
• M4: 1,954,945 km (0.059 R)
• M5: 2,448,020 km (0.102 R)
• M6: 3,354,433 km (0.096 R)
• M7: 4,087,762 km (0.089 R)
• M8: 4,622,125 km (0.069 R)
• M9: 6,053,777 km (0.065 R)
• M10: 8,114,637 km (0.074 R)
• M11: 9,289,878 km (0.043 R)
• M12: 10,641,495 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.6

Radius: 10.8

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.65 AU - 2.43 AU

Year: 1943 Days

Day: 7.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,279,871 km

• M1: 206,894 km (0.051 R)
• M2: 628,311 km (0.076 R)
• M3: 1,117,795 km (0.055 R)
• M4: 1,549,684 km (0.093 R)
• M5: 2,007,753 km (0.105 R)
• M6: 3,377,621 km (0.088 R)
• M7: 3,917,071 km (0.106 R)
• M8: 4,458,465 km (0.119 R)
• M9: 6,527,853 km (0.089 R)
• M10: 7,653,726 km (0.118 R)
• M11: 9,625,127 km (0.086 R)
• M12: 10,911,818 km (0.113 R)
• M13: 12,128,947 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.6

Radius: 12.1

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.33 AU - 3.31 AU

Year: 3158 Days

Day: 14.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,279,871 km

• M1: 151,393 km (0.077 R)
• M2: 1,091,616 km (0.068 R)
• M3: 2,290,493 km (0.1 R)
• M4: 2,712,808 km (0.104 R)
• M5: 3,753,261 km (0.113 R)
• M6: 4,487,188 km (0.102 R)
• M7: 5,177,582 km (0.101 R)
• M8: 7,102,458 km (0.045 R)
• M9: 7,679,906 km (0.07 R)
• M10: 8,319,736 km (0.072 R)
• M11: 10,272,886 km (0.038 R)
• M12: 11,126,192 km (0.106 R)
• M13: 11,707,829 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.5

Radius: 12.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.22 AU - 3.56 AU

Year: 4162 Days

Day: 10.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,279,871 km

• M1: 159,172 km (0.091 R)
• M2: 561,142 km (0.089 R)
• M3: 1,149,061 km (0.065 R)
• M4: 2,120,251 km (0.084 R)
• M5: 3,619,371 km (0.076 R)
• M6: 5,013,922 km (0.099 R)
• M7: 6,223,571 km (0.06 R)
• M8: 9,407,761 km (0.114 R)
• M9: 11,239,438 km (0.113 R)
• M10: 12,569,961 km (0.098 R)
• M11: 13,697,929 km (0.064 R)
• M12: 16,552,705 km (0.103 R)
• M13: 17,250,430 km (0.083 R)
• M14: 19,525,514 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.6

Radius: 14.6

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.01 AU - 4.81 AU

Year: 5156 Days

Day: 14.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,279,871 km

• M1: 181,911 km (0.117 R)
• M2: 676,033 km (0.085 R)
• M3: 1,311,674 km (0.076 R)
• M4: 1,994,888 km (0.104 R)
• M5: 2,709,965 km (0.112 R)
• M6: 3,298,633 km (0.081 R)
• M7: 3,789,912 km (0.084 R)
• M8: 4,479,708 km (0.099 R)
• M9: 6,143,386 km (0.08 R)
• M10: 6,859,362 km (0.113 R)
• M11: 7,450,423 km (0.083 R)
• M12: 8,497,907 km (0.099 R)
• M13: 9,057,553 km (0.077 R)
• M14: 9,727,153 km (0.11 R)
• M15: 16,151,035 km (0.098 R)
• M16: 16,639,322 km (0.097 R)
• M17: 19,917,610 km (0.047 R)
• M18: 20,764,334 km (0.059 R)
• M19: 21,488,238 km (0.074 R)
• M20: 23,604,749 km (0.094 R)
• M21: 24,874,984 km (0.074 R)
• M22: 25,444,803 km (0.099 R)
• M23: 28,691,675 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.5

Radius: 8.9

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.55 AU - 4.65 AU

Year: 5536 Days

Day: 12.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,279,871 km

• M1: 113,395 km (0.043 R)
• M2: 593,305 km (0.119 R)
• M3: 1,026,092 km (0.089 R)
• M4: 1,490,593 km (0.063 R)
• M5: 1,930,261 km (0.091 R)
• M6: 2,259,526 km (0.106 R)
• M7: 2,805,708 km (0.092 R)
• M8: 3,501,488 km (0.088 R)
• M9: 4,113,193 km (0.09 R)
• M10: 5,403,325 km (0.111 R)
• M11: 5,756,676 km (0.119 R)
• M12: 7,256,843 km (0.114 R)
• M13: 7,724,187 km (0.086 R)
• M14: 9,373,055 km (0.098 R)
• M15: 10,869,931 km (0.114 R)
• M16: 11,530,405 km (0.046 R)
• M17: 11,969,026 km (0.064 R)
• M18: 12,571,008 km (0.048 R)
• M19: 13,035,659 km (0.077 R)
• M20: 14,164,375 km (0.05 R)
• M21: 14,611,074 km (0.083 R)
• M22: 15,532,747 km (0.052 R)
• M23: 16,309,609 km (0.118 R)
• M24: 17,876,198 km (0.067 R)
• M25: 19,199,840 km (0.116 R)
• M26: 20,516,750 km (0.07 R)
• M27: 21,378,733 km (0.068 R)
• M28: 22,190,151 km (0.1 R)
• M29: 23,406,532 km (0.106 R)
• M30: 24,110,090 km (0.083 R)
• M31: 27,840,912 km (0.076 R)
• M32: 30,254,823 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.6

Radius: 10.4

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.09 AU - 5.65 AU

Year: 8298 Days

Day: 8.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,279,871 km

• M1: 129,402 km (0.091 R)
• M2: 514,766 km (0.082 R)
• M3: 1,092,962 km (0.089 R)
• M4: 1,430,455 km (0.081 R)
• M5: 1,914,105 km (0.043 R)
• M6: 2,598,515 km (0.075 R)
• M7: 3,723,790 km (0.038 R)
• M8: 7,717,156 km (0.065 R)
• M9: 8,042,980 km (0.116 R)
• M10: 9,671,054 km (0.077 R)
• M11: 10,587,640 km (0.078 R)
• M12: 11,666,839 km (0.103 R)
• M13: 12,370,846 km (0.105 R)
• M14: 16,057,985 km (0.083 R)
• M15: 16,997,460 km (0.074 R)
• M16: 18,546,994 km (0.096 R)
• M17: 23,845,003 km (0.111 R)
• M18: 26,513,979 km (0.081 R)
• M19: 33,611,949 km (0.086 R)
• M20: 34,045,783 km (0.058 R)
• M21: 37,886,259 km (0.064 R)
• M22: 41,755,907 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.5

Radius: 4.5

Gravity: 38.59 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 8.45 AU - 9.83 AU

Year: 18427 Days

Day: 21.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,279,871 km

• M1: 56,099 km (0.07 R)
• M2: 782,846 km (0.114 R)
• M3: 4,449,938 km (0.087 R)
• M4: 5,127,467 km (0.116 R)
• M5: 6,333,675 km (0.113 R)
• M6: 7,570,699 km (0.117 R)
• M7: 8,637,781 km (0.084 R)
• M8: 9,629,166 km (0.091 R)
• M9: 10,879,056 km (0.044 R)
• M10: 12,846,418 km (0.036 R)
• M11: 13,479,965 km (0.105 R)
• M12: 14,282,258 km (0.111 R)
• M13: 16,385,754 km (0.094 R)
• M14: 17,983,908 km (0.056 R)
• M15: 19,683,190 km (0.114 R)
• M16: 19,868,093 km (0.116 R)
• M17: 20,335,287 km (0.111 R)
• M18: 21,584,430 km (0.079 R)
• M19: 24,128,641 km (0.084 R)
• M20: 25,418,025 km (0.055 R)
• M21: 28,840,973 km (0.109 R)
• M22: 31,918,202 km (0.058 R)
• M23: 33,338,783 km (0.08 R)
• M24: 35,207,260 km (0.083 R)
• M25: 37,995,765 km (0.099 R)
• M26: 39,737,682 km (0.072 R)
• M27: 44,165,480 km (0.079 R)
• M28: 45,603,714 km (0.095 R)
• M29: 50,796,406 km (0.106 R)
• M30: 51,144,370 km (0.101 R)
• M31: 51,493,981 km (0.051 R)
• M32: 60,758,278 km (0.087 R)
• M33: 60,954,101 km (0.045 R)
• M34: 65,163,935 km (0.069 R)
• M35: 66,609,200 km (0.115 R)
• M36: 73,267,053 km (0.045 R)
• M37: 74,829,453 km (0.104 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: 505 - 12,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit