🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.7

Radius: 12.7

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.41 AU - 0.67 AU

Year: 274 Days

Day: 12.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,813,724 km

• M1: 157,975 km (0.098 R)
• M2: 617,839 km (0.081 R)
• M3: 1,199,027 km (0.071 R)
• M4: 1,724,415 km (0.027 R)
• M5: 2,315,326 km (0.12 R)
• M6: 2,853,131 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.1

Radius: 11.2

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.63 AU - 0.99 AU

Year: 503 Days

Day: 11.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,813,724 km

• M1: 141,370 km (0.079 R)
• M2: 498,460 km (0.067 R)
• M3: 959,820 km (0.053 R)
• M4: 1,308,383 km (0.076 R)
• M5: 1,751,492 km (0.073 R)
• M6: 2,321,909 km (0.075 R)
• M7: 3,024,271 km (0.118 R)
• M8: 3,863,066 km (0.08 R)
• M9: 4,358,983 km (0.082 R)
• M10: 5,378,941 km (0.095 R)
• M11: 5,752,188 km (0.062 R)
• M12: 6,124,686 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.1

Radius: 11.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.86 AU - 0.9 AU

Year: 570 Days

Day: 7.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 95.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,813,724 km

• M1: 147,952 km (0.102 R)
• M2: 578,944 km (0.073 R)
• M3: 983,157 km (0.08 R)
• M4: 1,476,531 km (0.114 R)
• M5: 2,480,034 km (0.095 R)
• M6: 3,581,971 km (0.091 R)
• M7: 4,019,396 km (0.085 R)
• M8: 4,758,559 km (0.104 R)
• M9: 5,237,421 km (0.075 R)
• M10: 7,162,148 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250

Radius: 10.5

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.79 AU - 2.01 AU

Year: 1808 Days

Day: 12.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,813,724 km

• M1: 130,599 km (0.058 R)
• M2: 465,549 km (0.118 R)
• M3: 797,506 km (0.063 R)
• M4: 1,183,918 km (0.078 R)
• M5: 1,901,688 km (0.106 R)
• M6: 2,526,858 km (0.042 R)
• M7: 2,888,136 km (0.102 R)
• M8: 4,186,347 km (0.118 R)
• M9: 4,824,681 km (0.063 R)
• M10: 6,228,807 km (0.08 R)
• M11: 7,280,928 km (0.108 R)
• M12: 7,759,043 km (0.053 R)
• M13: 8,556,849 km (0.115 R)
• M14: 9,061,143 km (0.102 R)
• M15: 10,346,488 km (0.117 R)
• M16: 10,790,046 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.1

Radius: 8.1

Gravity: 12.71 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.87 AU - 2.83 AU

Year: 2487 Days

Day: 8.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,813,724 km

• M1: 100,829 km (0.071 R)
• M2: 566,976 km (0.061 R)
• M3: 831,016 km (0.103 R)
• M4: 1,550,582 km (0.104 R)
• M5: 2,010,296 km (0.057 R)
• M6: 2,272,840 km (0.108 R)
• M7: 2,740,932 km (0.1 R)
• M8: 4,900,527 km (0.092 R)
• M9: 5,380,138 km (0.094 R)
• M10: 6,158,047 km (0.117 R)
• M11: 6,545,655 km (0.079 R)
• M12: 6,832,434 km (0.053 R)
• M13: 7,217,948 km (0.119 R)
• M14: 9,475,380 km (0.083 R)
• M15: 10,335,118 km (0.093 R)
• M16: 11,368,391 km (0.079 R)
• M17: 11,658,012 km (0.044 R)
• M18: 12,165,897 km (0.098 R)
• M19: 12,866,015 km (0.075 R)
• M20: 13,454,384 km (0.106 R)
• M21: 13,731,888 km (0.096 R)
• M22: 14,202,971 km (0.078 R)
• M23: 16,040,332 km (0.033 R)
• M24: 17,259,106 km (0.054 R)
• M25: 17,974,783 km (0.097 R)
• M26: 18,538,467 km (0.119 R)
• M27: 18,882,393 km (0.092 R)
• M28: 19,289,000 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.9

Radius: 11.5

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.22 AU - 3.16 AU

Year: 3045 Days

Day: 8.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,813,724 km

• M1: 143,016 km (0.11 R)
• M2: 543,489 km (0.104 R)
• M3: 980,165 km (0.077 R)
• M4: 1,494,632 km (0.082 R)
• M5: 2,559,769 km (0.081 R)
• M6: 3,166,987 km (0.08 R)
• M7: 3,649,440 km (0.099 R)
• M8: 4,159,270 km (0.057 R)
• M9: 4,646,959 km (0.048 R)
• M10: 6,035,376 km (0.114 R)
• M11: 6,486,863 km (0.105 R)
• M12: 10,034,277 km (0.118 R)
• M13: 10,428,318 km (0.118 R)
• M14: 11,933,273 km (0.054 R)
• M15: 12,420,812 km (0.116 R)
• M16: 13,341,288 km (0.101 R)
• M17: 16,484,788 km (0.066 R)
• M18: 16,868,207 km (0.107 R)
• M19: 17,426,207 km (0.119 R)
• M20: 18,403,231 km (0.084 R)
• M21: 20,466,335 km (0.086 R)
• M22: 20,909,444 km (0.103 R)
• M23: 22,012,429 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.1

Radius: 8.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.4 AU - 3.8 AU

Year: 3768 Days

Day: 10 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,813,724 km

• M1: 106,962 km (0.103 R)
• M2: 439,668 km (0.04 R)
• M3: 868,565 km (0.105 R)
• M4: 1,328,579 km (0.063 R)
• M5: 1,896,303 km (0.066 R)
• M6: 2,414,659 km (0.109 R)
• M7: 2,910,726 km (0.075 R)
• M8: 4,883,024 km (0.119 R)
• M9: 5,502,210 km (0.116 R)
• M10: 6,253,490 km (0.09 R)
• M11: 7,249,214 km (0.073 R)
• M12: 8,713,926 km (0.104 R)
• M13: 10,102,344 km (0.081 R)
• M14: 11,066,502 km (0.032 R)
• M15: 16,303,625 km (0.107 R)
• M16: 16,983,547 km (0.11 R)
• M17: 17,411,247 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.2

Radius: 14.4

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.44 AU - 4.44 AU

Year: 6458 Days

Day: 8 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,813,724 km

• M1: 179,069 km (0.09 R)
• M2: 822,339 km (0.1 R)
• M3: 1,400,236 km (0.086 R)
• M4: 1,851,124 km (0.11 R)
• M5: 2,332,979 km (0.114 R)
• M6: 6,488,060 km (0.086 R)
• M7: 9,053,065 km (0.109 R)
• M8: 12,773,115 km (0.099 R)
• M9: 15,588,547 km (0.109 R)
• M10: 17,545,137 km (0.116 R)
• M11: 19,881,258 km (0.06 R)
• M12: 21,705,903 km (0.099 R)
• M13: 22,338,104 km (0.079 R)
• M14: 25,077,390 km (0.116 R)
• M15: 30,718,128 km (0.088 R)
• M16: 31,919,548 km (0.098 R)
• M17: 32,634,775 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.3

Radius: 5.3

Gravity: 21.76 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.76 AU - 7.12 AU

Year: 11281 Days

Day: 17.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 40,813,724 km

• M1: 65,973 km (0.075 R)
• M2: 251,923 km (0.082 R)
• M3: 447,746 km (0.111 R)
• M4: 1,455,288 km (0.046 R)
• M5: 1,717,832 km (0.117 R)
• M6: 1,943,576 km (0.05 R)
• M7: 2,454,751 km (0.11 R)
• M8: 5,087,375 km (0.112 R)
• M9: 7,007,613 km (0.051 R)
• M10: 8,650,048 km (0.09 R)
• M11: 9,218,071 km (0.081 R)
• M12: 9,511,133 km (0.034 R)
• M13: 10,639,251 km (0.06 R)
• M14: 10,853,625 km (0.11 R)
• M15: 12,084,366 km (0.077 R)
• M16: 12,733,322 km (0.068 R)
• M17: 13,718,274 km (0.11 R)
• M18: 14,036,319 km (0.03 R)
• M19: 15,086,945 km (0.07 R)
• M20: 15,494,151 km (0.12 R)
• M21: 18,398,145 km (0.11 R)
• M22: 20,058,830 km (0.088 R)
• M23: 21,731,185 km (0.115 R)
• M24: 23,403,689 km (0.098 R)
• M25: 29,667,352 km (0.105 R)
• M26: 29,879,332 km (0.082 R)
• M27: 30,306,285 km (0.109 R)
• M28: 31,281,663 km (0.103 R)
• M29: 34,801,701 km (0.059 R)
• M30: 35,393,061 km (0.06 R)
• M31: 46,498,758 km (0.12 R)
• M32: 48,819,919 km (0.066 R)
• M33: 49,412,027 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269

Radius: 4

Gravity: 16.81 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.51 AU - 8.31 AU

Year: 12538 Days

Day: 21.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,813,724 km

• M1: 51,761 km (0.066 R)
• M2: 283,488 km (0.078 R)
• M3: 592,408 km (0.114 R)
• M4: 791,373 km (0.032 R)
• M5: 3,201,095 km (0.092 R)
• M6: 3,475,009 km (0.099 R)
• M7: 3,839,130 km (0.093 R)
• M8: 4,122,020 km (0.103 R)
• M9: 6,016,078 km (0.117 R)
• M10: 7,170,226 km (0.067 R)
• M11: 7,363,058 km (0.102 R)
• M12: 7,839,826 km (0.12 R)
• M13: 8,854,698 km (0.055 R)
• M14: 9,256,967 km (0.084 R)
• M15: 10,937,400 km (0.087 R)
• M16: 11,557,483 km (0.068 R)
• M17: 11,983,537 km (0.098 R)
• M18: 12,420,214 km (0.106 R)
• M19: 17,385,068 km (0.088 R)
• M20: 17,663,021 km (0.081 R)
• M21: 17,944,115 km (0.091 R)
• M22: 19,468,816 km (0.097 R)
• M23: 22,361,591 km (0.072 R)
• M24: 34,450,744 km (0.118 R)
• M25: 36,681,547 km (0.049 R)
• M26: 40,691,518 km (0.087 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: 304 - 19,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit