🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.9

Radius: 12.5

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.62 AU - 0.74 AU

Year: 387 Days

Day: 13.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,663,915 km

• M1: 155,432 km (0.116 R)
• M2: 667,057 km (0.047 R)
• M3: 1,061,247 km (0.116 R)
• M4: 1,459,477 km (0.118 R)
• M5: 1,874,162 km (0.074 R)
• M6: 2,278,974 km (0.062 R)
• M7: 2,886,491 km (0.084 R)
• M8: 3,292,200 km (0.106 R)
• M9: 4,400,421 km (0.108 R)
• M10: 5,526,445 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630

Radius: 11

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.55 AU - 2.19 AU

Year: 1765 Days

Day: 12.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,663,915 km

• M1: 142,417 km (0.091 R)
• M2: 599,738 km (0.059 R)
• M3: 1,182,870 km (0.083 R)
• M4: 1,664,725 km (0.08 R)
• M5: 2,349,435 km (0.065 R)
• M6: 3,182,246 km (0.076 R)
• M7: 3,752,962 km (0.031 R)
• M8: 4,468,189 km (0.036 R)
• M9: 5,403,774 km (0.116 R)
• M10: 6,415,355 km (0.088 R)
• M11: 7,032,596 km (0.104 R)
• M12: 7,688,882 km (0.036 R)
• M13: 8,627,010 km (0.082 R)
• M14: 9,411,651 km (0.07 R)
• M15: 9,938,385 km (0.091 R)
• M16: 10,800,667 km (0.078 R)
• M17: 11,378,264 km (0.087 R)
• M18: 14,193,547 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.4

Radius: 12.5

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.8 AU - 2.18 AU

Year: 1938 Days

Day: 9.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,663,915 km

• M1: 155,582 km (0.104 R)
• M2: 547,379 km (0.066 R)
• M3: 1,013,226 km (0.097 R)
• M4: 1,702,125 km (0.105 R)
• M5: 2,465,971 km (0.107 R)
• M6: 3,642,110 km (0.082 R)
• M7: 4,235,565 km (0.08 R)
• M8: 4,852,506 km (0.115 R)
• M9: 6,559,867 km (0.091 R)
• M10: 7,911,184 km (0.108 R)
• M11: 8,400,519 km (0.071 R)
• M12: 8,818,645 km (0.117 R)
• M13: 9,472,088 km (0.072 R)
• M14: 10,157,396 km (0.083 R)
• M15: 10,980,933 km (0.088 R)
• M16: 12,110,097 km (0.044 R)
• M17: 13,679,379 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.1

Radius: 12.3

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.47 AU - 2.71 AU

Year: 2877 Days

Day: 7.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 75 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,663,915 km

• M1: 153,188 km (0.085 R)
• M2: 615,296 km (0.107 R)
• M3: 1,445,564 km (0.108 R)
• M4: 2,120,550 km (0.071 R)
• M5: 2,630,529 km (0.083 R)
• M6: 3,108,045 km (0.107 R)
• M7: 3,738,301 km (0.109 R)
• M8: 4,691,090 km (0.045 R)
• M9: 5,357,100 km (0.069 R)
• M10: 5,821,003 km (0.088 R)
• M11: 6,380,648 km (0.071 R)
• M12: 7,174,265 km (0.113 R)
• M13: 8,059,585 km (0.065 R)
• M14: 8,756,113 km (0.092 R)
• M15: 11,427,781 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.7

Radius: 9.1

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.52 AU - 3.3 AU

Year: 3426 Days

Day: 8.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,663,915 km

• M1: 113,246 km (0.074 R)
• M2: 406,158 km (0.079 R)
• M3: 754,572 km (0.084 R)
• M4: 1,144,424 km (0.039 R)
• M5: 1,829,432 km (0.103 R)
• M6: 2,765,616 km (0.095 R)
• M7: 3,276,642 km (0.1 R)
• M8: 4,692,137 km (0.096 R)
• M9: 7,860,471 km (0.116 R)
• M10: 8,226,686 km (0.108 R)
• M11: 8,639,127 km (0.119 R)
• M12: 9,283,745 km (0.071 R)
• M13: 9,768,891 km (0.098 R)
• M14: 10,468,560 km (0.032 R)
• M15: 11,452,764 km (0.045 R)
• M16: 12,011,063 km (0.106 R)
• M17: 13,843,338 km (0.113 R)
• M18: 14,182,028 km (0.094 R)
• M19: 14,526,402 km (0.117 R)
• M20: 16,765,433 km (0.079 R)
• M21: 17,654,494 km (0.062 R)
• M22: 18,168,063 km (0.093 R)
• M23: 18,750,448 km (0.096 R)
• M24: 19,465,675 km (0.117 R)
• M25: 20,824,024 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.2

Radius: 13.8

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.94 AU - 3.36 AU

Year: 3859 Days

Day: 13.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,663,915 km

• M1: 171,589 km (0.072 R)
• M2: 695,481 km (0.034 R)
• M3: 1,126,322 km (0.107 R)
• M4: 2,029,744 km (0.078 R)
• M5: 4,186,048 km (0.055 R)
• M6: 4,828,421 km (0.119 R)
• M7: 5,915,100 km (0.073 R)
• M8: 8,750,129 km (0.048 R)
• M9: 10,040,560 km (0.092 R)
• M10: 10,773,291 km (0.086 R)
• M11: 11,541,476 km (0.116 R)
• M12: 12,209,281 km (0.057 R)
• M13: 13,235,223 km (0.059 R)
• M14: 16,270,713 km (0.11 R)
• M15: 19,245,766 km (0.071 R)
• M16: 19,743,329 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.8

Radius: 13.1

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.64 AU - 4.84 AU

Year: 6026 Days

Day: 8.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,663,915 km

• M1: 163,062 km (0.094 R)
• M2: 702,063 km (0.111 R)
• M3: 1,223,711 km (0.089 R)
• M4: 1,650,065 km (0.099 R)
• M5: 2,360,654 km (0.112 R)
• M6: 2,778,631 km (0.097 R)
• M7: 3,790,660 km (0.114 R)
• M8: 4,264,437 km (0.049 R)
• M9: 5,454,189 km (0.118 R)
• M10: 6,535,632 km (0.12 R)
• M11: 8,607,113 km (0.032 R)
• M12: 9,884,979 km (0.097 R)
• M13: 10,497,283 km (0.09 R)
• M14: 14,122,488 km (0.093 R)
• M15: 15,705,981 km (0.057 R)
• M16: 17,135,987 km (0.074 R)
• M17: 17,676,933 km (0.107 R)
• M18: 19,881,407 km (0.082 R)
• M19: 20,554,448 km (0.105 R)
• M20: 21,088,363 km (0.041 R)
• M21: 22,104,581 km (0.08 R)
• M22: 23,565,105 km (0.118 R)
• M23: 25,611,305 km (0.072 R)
• M24: 28,899,017 km (0.092 R)
• M25: 32,767,469 km (0.105 R)
• M26: 34,987,352 km (0.061 R)
• M27: 35,530,392 km (0.086 R)
• M28: 36,968,476 km (0.038 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.8

Radius: 11.3

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.19 AU - 4.75 AU

Year: 6523 Days

Day: 14.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,663,915 km

• M1: 140,622 km (0.104 R)
• M2: 518,357 km (0.042 R)
• M3: 894,296 km (0.1 R)
• M4: 1,321,398 km (0.105 R)
• M5: 1,739,225 km (0.055 R)
• M6: 2,765,915 km (0.093 R)
• M7: 3,346,804 km (0.079 R)
• M8: 3,737,404 km (0.119 R)
• M9: 4,224,345 km (0.094 R)
• M10: 6,199,635 km (0.082 R)
• M11: 6,822,860 km (0.103 R)
• M12: 7,325,359 km (0.051 R)
• M13: 7,954,119 km (0.084 R)
• M14: 11,131,727 km (0.06 R)
• M15: 17,381,926 km (0.07 R)
• M16: 18,986,064 km (0.071 R)
• M17: 19,792,845 km (0.091 R)
• M18: 20,881,918 km (0.107 R)
• M19: 22,146,020 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.8

Radius: 6.8

Gravity: 21.1 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.32 AU - 7.42 AU

Year: 11097 Days

Day: 19.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,663,915 km

• M1: 84,523 km (0.028 R)
• M2: 308,022 km (0.038 R)
• M3: 690,843 km (0.076 R)
• M4: 1,406,818 km (0.114 R)
• M5: 2,066,246 km (0.109 R)
• M6: 2,496,489 km (0.092 R)
• M7: 2,914,765 km (0.108 R)
• M8: 6,232,098 km (0.049 R)
• M9: 6,751,950 km (0.082 R)
• M10: 7,563,220 km (0.095 R)
• M11: 9,636,347 km (0.085 R)
• M12: 12,367,256 km (0.117 R)
• M13: 12,615,738 km (0.102 R)
• M14: 16,907,701 km (0.08 R)
• M15: 17,137,184 km (0.034 R)
• M16: 23,857,719 km (0.102 R)
• M17: 26,851,023 km (0.052 R)
• M18: 28,008,461 km (0.107 R)
• M19: 28,979,950 km (0.095 R)
• M20: 32,972,119 km (0.066 R)
• M21: 33,450,533 km (0.113 R)
• M22: 34,054,908 km (0.119 R)
• M23: 34,913,301 km (0.045 R)
• M24: 36,801,226 km (0.047 R)
• M25: 38,228,240 km (0.104 R)
• M26: 38,491,532 km (0.116 R)
• M27: 39,422,928 km (0.11 R)
• M28: 42,306,876 km (0.099 R)
• M29: 44,888,337 km (0.108 R)
• M30: 46,816,654 km (0.094 R)
• M31: 49,420,853 km (0.098 R)
• M32: 50,679,121 km (0.044 R)
• M33: 56,948,618 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.7

Radius: 4.3

Gravity: 45.09 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.49 AU - 7.67 AU

Year: 11651 Days

Day: 16.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,663,915 km

• M1: 53,556 km (0.079 R)
• M2: 219,011 km (0.117 R)
• M3: 429,645 km (0.065 R)
• M4: 631,901 km (0.082 R)
• M5: 2,087,937 km (0.111 R)
• M6: 2,694,706 km (0.111 R)
• M7: 3,159,806 km (0.072 R)
• M8: 3,463,490 km (0.084 R)
• M9: 3,814,147 km (0.036 R)
• M10: 6,314,077 km (0.111 R)
• M11: 7,129,835 km (0.077 R)
• M12: 7,474,957 km (0.093 R)
• M13: 8,013,360 km (0.043 R)
• M14: 9,523,550 km (0.068 R)
• M15: 11,156,112 km (0.117 R)
• M16: 12,281,387 km (0.099 R)
• M17: 13,415,189 km (0.084 R)
• M18: 14,208,806 km (0.112 R)
• M19: 15,816,384 km (0.091 R)
• M20: 15,961,644 km (0.048 R)
• M21: 16,477,158 km (0.108 R)
• M22: 21,183,208 km (0.104 R)
• M23: 23,367,337 km (0.06 R)
• M24: 24,223,785 km (0.1 R)
• M25: 25,100,877 km (0.097 R)
• M26: 29,474,969 km (0.112 R)
• M27: 30,812,075 km (0.088 R)
• M28: 34,696,833 km (0.081 R)
• M29: 35,065,292 km (0.117 R)
• M30: 36,692,618 km (0.119 R)
• M31: 37,848,112 km (0.099 R)
• M32: 48,131,469 km (0.119 R)
• M33: 51,880,242 km (0.079 R)
• M34: 53,171,870 km (0.118 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 19,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit