🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.1

Radius: 14.1

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.6 AU - 0.6 AU

Year: 315 Days

Day: 10.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,752,714 km

• M1: 175,478 km (0.087 R)
• M2: 613,950 km (0.08 R)
• M3: 1,092,513 km (0.073 R)
• M4: 1,891,216 km (0.095 R)
• M5: 2,656,260 km (0.093 R)
• M6: 3,455,112 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.6

Radius: 10.7

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.01 AU - 1.27 AU

Year: 826 Days

Day: 14.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,752,714 km

• M1: 133,591 km (0.092 R)
• M2: 588,069 km (0.073 R)
• M3: 986,299 km (0.067 R)
• M4: 2,183,231 km (0.118 R)
• M5: 2,642,796 km (0.08 R)
• M6: 3,592,144 km (0.065 R)
• M7: 4,153,734 km (0.06 R)
• M8: 4,507,833 km (0.119 R)
• M9: 5,315,960 km (0.114 R)
• M10: 6,348,335 km (0.102 R)
• M11: 6,912,319 km (0.065 R)
• M12: 8,725,146 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.8

Radius: 8.3

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.5 AU - 1.98 AU

Year: 1557 Days

Day: 7.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,752,714 km

• M1: 103,223 km (0.034 R)
• M2: 385,813 km (0.099 R)
• M3: 657,483 km (0.076 R)
• M4: 1,063,790 km (0.067 R)
• M5: 1,366,726 km (0.09 R)
• M6: 2,128,628 km (0.063 R)
• M7: 2,425,430 km (0.076 R)
• M8: 2,696,053 km (0.064 R)
• M9: 3,044,765 km (0.098 R)
• M10: 3,407,540 km (0.085 R)
• M11: 3,698,508 km (0.056 R)
• M12: 4,076,692 km (0.1 R)
• M13: 4,633,794 km (0.118 R)
• M14: 5,304,292 km (0.104 R)
• M15: 5,674,098 km (0.079 R)
• M16: 5,968,506 km (0.1 R)
• M17: 6,736,691 km (0.104 R)
• M18: 7,434,865 km (0.077 R)
• M19: 7,705,338 km (0.054 R)
• M20: 8,352,648 km (0.083 R)
• M21: 8,884,169 km (0.097 R)
• M22: 9,627,521 km (0.1 R)
• M23: 9,981,768 km (0.055 R)
• M24: 10,648,376 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.7

Radius: 10.6

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.58 AU - 3.86 AU

Year: 3919 Days

Day: 7.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,752,714 km

• M1: 131,796 km (0.114 R)
• M2: 1,283,251 km (0.108 R)
• M3: 1,765,255 km (0.098 R)
• M4: 2,442,036 km (0.092 R)
• M5: 3,061,520 km (0.094 R)
• M6: 3,577,334 km (0.106 R)
• M7: 4,039,890 km (0.091 R)
• M8: 4,518,454 km (0.071 R)
• M9: 5,188,952 km (0.117 R)
• M10: 8,479,357 km (0.078 R)
• M11: 10,770,000 km (0.064 R)
• M12: 12,714,921 km (0.087 R)
• M13: 13,101,034 km (0.089 R)
• M14: 15,639,709 km (0.095 R)
• M15: 19,300,668 km (0.07 R)
• M16: 21,669,551 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.1

Radius: 14.1

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.39 AU - 3.77 AU

Year: 4594 Days

Day: 10.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,752,714 km

• M1: 175,329 km (0.1 R)
• M2: 774,019 km (0.111 R)
• M3: 1,234,033 km (0.108 R)
• M4: 1,958,984 km (0.097 R)
• M5: 2,401,943 km (0.09 R)
• M6: 3,241,786 km (0.102 R)
• M7: 3,940,558 km (0.108 R)
• M8: 5,550,530 km (0.119 R)
• M9: 6,255,884 km (0.076 R)
• M10: 6,836,623 km (0.105 R)
• M11: 7,961,449 km (0.113 R)
• M12: 9,759,017 km (0.053 R)
• M13: 12,823,081 km (0.099 R)
• M14: 13,805,041 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.5

Radius: 8.8

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.78 AU - 4.5 AU

Year: 4710 Days

Day: 14.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,752,714 km

• M1: 110,104 km (0.118 R)
• M2: 463,155 km (0.114 R)
• M3: 762,351 km (0.11 R)
• M4: 1,266,496 km (0.05 R)
• M5: 2,234,095 km (0.065 R)
• M6: 2,510,252 km (0.108 R)
• M7: 4,758,858 km (0.091 R)
• M8: 5,164,118 km (0.072 R)
• M9: 5,830,278 km (0.102 R)
• M10: 6,390,522 km (0.108 R)
• M11: 6,952,262 km (0.101 R)
• M12: 7,297,683 km (0.048 R)
• M13: 8,212,026 km (0.106 R)
• M14: 8,835,998 km (0.102 R)
• M15: 11,604,008 km (0.117 R)
• M16: 12,389,696 km (0.112 R)
• M17: 13,687,756 km (0.096 R)
• M18: 14,176,493 km (0.076 R)
• M19: 15,713,012 km (0.12 R)
• M20: 16,369,597 km (0.096 R)
• M21: 16,858,633 km (0.091 R)
• M22: 20,984,841 km (0.061 R)
• M23: 21,561,990 km (0.032 R)
• M24: 22,223,811 km (0.105 R)
• M25: 22,899,245 km (0.075 R)
• M26: 26,233,333 km (0.057 R)
• M27: 27,842,707 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.5

Radius: 14.6

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.45 AU - 4.91 AU

Year: 6867 Days

Day: 5 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,752,714 km

• M1: 181,612 km (0.086 R)
• M2: 658,081 km (0.071 R)
• M3: 1,112,111 km (0.047 R)
• M4: 1,825,992 km (0.098 R)
• M5: 2,590,886 km (0.054 R)
• M6: 3,722,743 km (0.09 R)
• M7: 4,598,938 km (0.076 R)
• M8: 5,911,360 km (0.088 R)
• M9: 6,792,940 km (0.108 R)
• M10: 7,626,499 km (0.107 R)
• M11: 8,491,325 km (0.116 R)
• M12: 9,890,364 km (0.083 R)
• M13: 10,666,179 km (0.042 R)
• M14: 13,385,269 km (0.065 R)
• M15: 14,592,524 km (0.113 R)
• M16: 15,063,608 km (0.066 R)
• M17: 16,707,539 km (0.103 R)
• M18: 17,868,269 km (0.11 R)
• M19: 18,347,281 km (0.108 R)
• M20: 19,519,680 km (0.114 R)
• M21: 20,806,969 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264

Radius: 3.5

Gravity: 21.55 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.96 AU - 7.42 AU

Year: 10445 Days

Day: 16 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,752,714 km

• M1: 43,533 km (0.062 R)
• M2: 152,889 km (0.035 R)
• M3: 645,216 km (0.064 R)
• M4: 847,921 km (0.103 R)
• M5: 1,241,064 km (0.085 R)
• M6: 2,106,338 km (0.111 R)
• M7: 2,220,631 km (0.093 R)
• M8: 2,625,592 km (0.085 R)
• M9: 3,268,564 km (0.058 R)
• M10: 4,110,201 km (0.109 R)
• M11: 4,526,981 km (0.079 R)
• M12: 5,145,120 km (0.11 R)
• M13: 5,946,067 km (0.095 R)
• M14: 6,444,078 km (0.113 R)
• M15: 6,616,115 km (0.097 R)
• M16: 7,298,132 km (0.117 R)
• M17: 8,716,320 km (0.065 R)
• M18: 10,686,823 km (0.078 R)
• M19: 11,123,499 km (0.11 R)
• M20: 11,321,268 km (0.068 R)
• M21: 11,928,934 km (0.064 R)
• M22: 14,636,656 km (0.098 R)
• M23: 28,615,230 km (0.114 R)
• M24: 29,361,275 km (0.116 R)
• M25: 31,875,716 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.7

Radius: 4.6

Gravity: 35.62 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.29 AU - 10.39 AU

Year: 17827 Days

Day: 20.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,752,714 km

• M1: 57,146 km (0.03 R)
• M2: 317,596 km (0.099 R)
• M3: 1,291,179 km (0.101 R)
• M4: 1,980,975 km (0.073 R)
• M5: 3,364,755 km (0.084 R)
• M6: 5,837,010 km (0.072 R)
• M7: 6,681,639 km (0.053 R)
• M8: 9,035,562 km (0.069 R)
• M9: 9,928,960 km (0.071 R)
• M10: 12,217,957 km (0.106 R)
• M11: 14,836,070 km (0.043 R)
• M12: 17,215,424 km (0.081 R)
• M13: 18,935,799 km (0.092 R)
• M14: 19,203,430 km (0.112 R)
• M15: 20,391,985 km (0.112 R)
• M16: 23,117,209 km (0.087 R)
• M17: 25,421,615 km (0.069 R)
• M18: 26,852,967 km (0.076 R)
• M19: 28,687,037 km (0.058 R)
• M20: 29,276,902 km (0.106 R)
• M21: 29,515,211 km (0.108 R)
• M22: 34,954,590 km (0.115 R)
• M23: 35,492,095 km (0.111 R)
• M24: 39,265,701 km (0.06 R)
• M25: 42,531,572 km (0.119 R)
• M26: 42,837,051 km (0.086 R)
• M27: 49,092,187 km (0.111 R)
• M28: 58,908,350 km (0.044 R)
• M29: 64,776,327 km (0.116 R)
• M30: 65,383,694 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 16,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit